Clinical and Molecular Hepatology

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Huang, Jun, Toyoda, Hsu, Trinh, Nozaki, Ishikawa, Watanabe, Uojima, Huang, Honda, Tanaka, Vutien, Marciano, Abe, Enomoto, Atsukawa, Takahashi, Tsuji, Takaguchi, Tsai, Dai, Huang, Huang, Yeh, Yoon, Kim, Ahn, Kim, Jung, Jeong, Oh, Tseng, Ishigami, Chau, Maeda, Yasuda, Chuma, Ito, Kawashima, Liu, Gadano, Kozuka, Itokawa, Inoue, Senoh, Li, Chuang, Cheung, Wu, Yu, and Nguyen: Impacts of metabolic syndrome diseases on long-term outcomes of chronic hepatitis B patients treated with nucleos(t)ide analogues

Impacts of metabolic syndrome diseases on long-term outcomes of chronic hepatitis B patients treated with nucleos(t)ide analogues

Rui Huang1,2,3, Dae Won Jun4,5, Hidenori Toyoda6, Yao-Chun Hsu7, Huy Trinh8, Akito Nozaki9, Toru Ishikawa10, Tsunamasa Watanabe11, Haruki Uojima12,13, Daniel Q. Huang14,15, Takashi Honda16, Yasuhito Tanaka17,18, Philip Vutien19, Sebastián Marciano20,21, Hiroshi Abe22, Masaru Enomoto23,24, Masanori Atsukawa25, Hirokazu Takahashi26,27, Kunihiko Tsuji28, Koichi Takaguchi29, Pei-Chien Tsai30, Chia-Yen Dai30,31, Jee-Fu Huang30,31, Chung-Feng Huang30,31, Ming-Lun Yeh30,31, Eileen Yoon4,5, Sung Eun Kim32, Sang Bong Ahn33, Gi-Ae Kim34, Jang Han Jung35, Soung Won Jeong36, Hyunwoo Oh37, Cheng-Hao Tseng38, Masatoshi Ishigami16, Angela Chau1, Mayumi Maeda1, Satoshi Yasuda6, Makoto Chuma39, Takanori Ito16, Keigo Kawashima17, Joanne Kimiko Liu1,19, Adrian Gadano20,21, Ritsuzo Kozuka23, Norio Itokawa25, Kaori Inoue26, Tomonori Senoh29, Jie Li2,3, Wan-Long Chuang30,31, Ramsey Cheung1,40, Chao Wu2,3, Ming-Lung Yu30,31,41, Mindie H. Nguyen1,42
Received November 27, 2024       Revised March 12, 2025       Accepted March 14, 2025
ABSTRACT
Background/Aims
Given the increase in prevalence of metabolic diseases, we investigated their long-term impacts on the outcomes of chronic hepatitis B (CHB) patients receiving nucleos(t)ide analogue (NA) treatment.
Methods
We analyzed data from CHB patients for whom initiated NA treatment from 30 centers. We balanced patient characteristics with and without metabolic disease (diabetes, obesity, dyslipidemia, and hypertension) via propensity-score matching (PSM) to evaluate adverse outcomes.
Results
The study included 4,500 patients. PSM yielded 909 pairs of patients with balanced characteristics. When stratified by the number of metabolic diseases, only patients with ≥2 metabolic diseases had an increased cumulative incidence of cirrhosis and overall death. However, when stratified by the presence of diabetes (regardless of the presence or number of other metabolic diseases), patients with diabetes (versus those without) had a significantly higher cumulative incidence of all outcomes: cirrhosis (P=0.009), hepatocellular carcinoma (HCC, P=0.023), and overall, liver-related, and non-liver-related death (P<0.001, P=0.026 and P<0.001, respectively). Having ≥2 metabolic diseases was associated with cirrhosis, overall death, and non-liver-related death but not HCC or liver-related death, while diabetes was significantly associated with a higher risk of all outcomes: cirrhosis (hazard ratio [HR]=3.75, P=0.004), HCC (HR=2.02, P=0.020), and overall, liver-related, and non-liver-related death (HR=2.53, P<0.001; HR=2.65, P=0.016; HR=2.38, P<0.001).
Conclusions
Having two or more metabolic diseases was associated with a higher risk of cirrhosis, overall death, and non-liver-related death, but having diabetes as a single metabolic disease was significantly associated with all adverse outcomes including cirrhosis, HCC, and overall, liver-related, and non-liver-related death.
Graphical Abstract
INTRODUCTION
INTRODUCTION
Hepatitis B virus (HBV) infection is a major global health threat with over 290 million people chronically infected and 820,000 deaths per year, mainly due to cirrhosis and hepatocellular carcinoma (HCC) [1]. Nucleos(t)ide analogue (NA) treatment is now widely available and has been shown to be effective at suppressing HBV replication and reducing the risk of adverse liver-related outcomes [2-4].
In recent decades, the prevalence of metabolic diseases including obesity, hypertension, diabetes, and dyslipidemia has increased rapidly in the general population as well as in patients with chronic hepatitis B (CHB) [5-7]. The presence of concurrent metabolic diseases with CHB has been reported to be associated not only with increased cardiovascular risk but also adverse liver events [8], though data regarding the association with liver adverse events are currently conflicting [9-17]. A recent prospective study with a median follow-up of 5.9 years found that not only DM but also glycemic burden and glycemic control influenced the risks of adverse CHB outcomes [18]. However, this was a single center study and included a mixed population of patients who received antiviral treatment and patients who were not treated for CHB. Other prior studies also had single-center study designs, small sample sizes, evaluated mixed populations of treated and untreated patients, and/or generally focused on the number of metabolic factors rather than specific types of metabolic disease, thus limiting their conclusions.
In this study, leveraging data from a large cohort of patients from the Real-World Evidence from the Global Alliance for the Study of HBV consortium (REAL-B) [19-21], a welldefined population of previously treatment-naïve CHB patients for whom first-line NA treatment was initiated at 30 sites in 7 countries/regions with longitudinal data up to 15 years, we investigated the impacts of the number and specific type of metabolic disease on the long-term outcomes of NA-treated CHB patients.
MATERIALS AND METHODS
MATERIALS AND METHODS
Study population
Study population
This was a retrospective multinational cohort study of previously treatment-naïve CHB patients for whom entecavir (ETV), tenofovir disoproxil fumarate (TDF), or tenofovir alafenamide (TAF) treatment was initiated. CHB was defined as the presence of serum hepatitis B surface antigen (HBsAg), hepatitis B e antigen (HBeAg), or detectable serum HBV DNA for at least 6 months. Metabolic disease was defined as the presence of at least one component of metabolic syndrome (as defined below) by the time of ETV, TDF, or TAF initiation. Patients were enrolled at 30 REAL-B study centers in Argentina, Mainland China, Japan, Singapore, South Korea, Taiwan, and the U.S.A. Data were collected using a unified structured data frame at each study site and transferred to the data coordinating center at Stanford University as described previously [19-21]. Patients were excluded if there was co-infection with hepatitis C, D, or human immunodeficiency virus, HCC or death within 6 months of treatment initiation, or missing data. This study was approved by the institutional review boards of Stanford University and of each study site with waiver of the requirement for informed consent and was conducted in accordance with the Declarations of Helsinki.
Definitions
Definitions
Metabolic syndrome components included type 2 diabetes mellitus, obesity, hypertension, and dyslipidemia. Diabetes and hypertension were defined by medical history or use of antidiabetic or antihypertensive medication, respectively. Obesity was defined as a body mass index (BMI) of ≥25 kg/m2 for Asian patients and ≥30 kg/m2 for non-Asian patients [22-26]. Dyslipidemia was diagnosed by a medical history of dyslipidemia, hyperlipidemia, hypertriglyceridemia, or hypercholesterolemia, lipid-lowering drug use, serum total cholesterol ≥200 mg/dL (>5.17 mmol/L), triglycerides ≥150 mg/dL (1.7 mmol/L), low-density lipoprotein cholesterol ≥160 mg/dL (4.1 mmol/L), or decreased serum high-density lipoprotein cholesterol <40 mg/dL (<1.03 mmol/L) for men and <50 mg/dL (<1.29 mmol/L) for women [27,28]. The presence of liver steatosis was assessed by imaging modalities such as FibroScan®, ultrasound, magnetic resonance imaging, computed tomography, or liver histology.
Study outcomes
Study outcomes
Study outcomes included the development of cirrhosis, HCC, death (overall, liver-related and non-liver-related), and HBsAg loss. Surveillance of HCC and cirrhosis was generally carried out every 6 months. Presence of cirrhosis was defined by histologic and/or radiologic evidence of cirrhosis or liver stiffness (>12.5 kPa) [1] or imaging, endoscopic, or clinical evidence of portal hypertension or hepatic decompensation (e.g., splenomegaly, ascites, hepatic encephalopathy, gastroesophageal varices, or a platelet count <120×103/μl) [19,20]. HCC diagnosis was based on practice guidance criteria provided by the American Association for the Study of Liver Disease (AASLD) [29]. Overall death was defined as death from any cause. Liver-related death was defined as death resulting from HCC, liver failure, or complications of liver cirrhosis. HBsAg loss was defined as the loss of serum HBsAg with or without the development of antibodies to HBsAg. Time to occurrence of clinical outcomes was defined from NA initiation to the date of the outcome event occurrence. Censoring criteria included the end of the study observation period, occurrence of the study outcome, or loss to follow-up, whichever came first. All patients were treated with NAs and did not discontinue treatment during the study period.
Statistical analysis
Statistical analysis
Continuous variables are presented as means (±standard deviations [SD]) or medians (interquartile range) and the statistical significance of differences in these variables between groups was evaluated by Student’s t-test or the rank sum test. Categorical variables are reported as counts and percentages and were compared using chi-squared tests. Patients with or without metabolic diseases were matched for background characteristics by propensity-score matching (PSM) with a caliper of 0.2 of the SD of the logit of the propensity score. Incidence of outcome events of interest among groups was assessed in the total and PSM cohorts using the Kaplan–Meier method and compared using the log-rank test. We compared study outcomes with stratification by the overall number of metabolic diseases versus no metabolic disease. Given the importance of diabetes as a major driver of poor clinic outcomes based on prior reports [30-32], we also stratified outcome analyses by the presence of diabetes regardless of the presence or number of other metabolic diseases versus patients with metabolic disease but without diabetes and those without any metabolic disease. Pair-wise log-rank tests were performed to evaluate the significance of differences between two groups with different outcomes with P-values adjusted by Bonferroni’s correction [33]. To identify potential factors associated with study outcomes, we performed Cox proportional hazards regression to estimate the hazard ratios (HRs) relating potential factors with study outcomes in the PSM cohort.
We also performed several subgroup and sensitivity analyses to evaluate the robustness of the study results. For subgroup analyses, we stratified the data by age, sex, HBeAg status (positive or negative), alanine aminotransferase (ALT) level (> or ≤2 times the upper limit of normal [defined as 35 U/L for men and 25 U/L for women]), HBV DNA level (≥ or <20,000 IU/mL), presence of cirrhosis (yes or no), and type of antiviral medications (ETV or TDF/TAF). For one sensitivity analysis, we excluded patients with hepatic steatosis since its presence can affect CHB outcomes [34,35]. We also performed Cox regression analyses to examine hepatic steatosis as an independent variable. In another sensitivity analysis, though the distribution of cirrhosis was matched between study groups in the PSM cohort, we adjusted for the presence of cirrhosis as a potential residual confounding factor because it is a major factor affecting clinical outcomes of patients with CHB. We also performed Fine–Gray competing risks analyses in the PSM cohort using death as a competing risk to evaluate incidence and subdistribution hazard ratios (SHRs) for liver cirrhosis and HCC. Finally, as an additional sensitivity analysis, we performed regression analysis to evaluate factors associated with study outcomes in cohorts matched by inverse probability treatment weighting (IPTW).
All statistical analyses were performed using Stata software (version 14.0, StataCorp, College Station, TX, USA). A 2-tailed P-value of <0.05 was considered to indicate statistical significance.
RESULTS
RESULTS
Characteristics and long-term outcomes of the total patient cohort
Characteristics and long-term outcomes of the total patient cohort
Of the 5,471 previously treatment-naïve patients in the REAL-B consortium for whom first-line NA treatment was initiated, a total of 4,500 patients met our study inclusion criteria (Fig. 1). The cohort was majority male (62.8%) and Asian (97.4%). Over half (54.6%) had at least one metabolic disease (11.7% with diabetes, 33.7% with obesity, 17.6% with dyslipidemia, 20.9% with hypertension; 33.2% had 1 metabolic disease, 14.9% had 2 metabolic diseases, and 6.5% had 3 or more metabolic diseases). Patients with metabolic disease were older (52.8±12.6 years vs. 48.2±12.8 years), more likely to be male (66.7% vs. 58.1%), and had a higher proportion of hepatic steatosis (33.9% vs. 19.2%) than patients without metabolic disease (all P<0.001). Median follow-up times were similar between patients with and without metabolic disease (4.5 years vs. 4.3 years, P=0.088) (Table 1).
Overall, there was a significantly higher 15-year cumulative incidence of cirrhosis (P=0.006), HCC (P<0.001), overall death (P<0.001), and non-liver related death (P<0.001) in patients with metabolic disease compared with patients without metabolic disease, but not liver-related death (P=0.127) (Supplementary Fig. 1). When comparing patients without metabolic disease with patients with metabolic disease but without diabetes and patients with diabetes (regardless of the presence or number of other metabolic diseases), patients with diabetes consistently had higher 15-year incidence of study outcomes including liver cirrhosis, HCC, as well as overall, liver-related, and non-liver related death (Supplementary Fig. 2, all P=0.002 to <0.001). There were few HBsAg seroclearance events and we found no significant difference in the rates of HBsAg seroclearance between patients with and without metabolic disease regardless of whether the comparisons were stratified by the number of metabolic disease or by the presence of diabetes (Supplementary Fig. 3A).
PSM cohort
PSM cohort

Patient characteristics and long-term outcomes

Patient characteristics and long-term outcomes

PSM yielded 909 pairs of patients with well-matched background characteristics including sex, age, race, alcohol use, liver cirrhosis, hepatic steatosis, HBeAg status, baseline HBV DNA, platelets, ALT and aspartate aminotransferase levels, and duration of treatment (Table 1).
When stratified by the number of metabolic disease without specifying the presence of diabetes, cumulative incidence only differed significantly for incidence for cirrhosis (P=0.002) and overall death (P=0.014). Pairwise comparisons with statistical significance levels adjusted using Bonferroni correction showed consistent results, with significant difference between those patients with two metabolic disease or ≥3 metabolic diseases for cirrhosis and between ≥3 metabolic diseases for overall death as compared to no metabolic disease (P<0.001, P=0.016, 0.006, respectively; threshold of the Bonferroni correction P-value: 0.025) (Supplementary Fig. 2A, 2C). There were no statistically significant differences in the incidence of HCC, liverrelated death, non-liver related death, or HBsAg seroclearance according to the number of metabolic diseases (P=0.537, 0.371, 0.099, 0.286, respectively; Fig. 2B, 2D, 2E and Supplementary Fig. 3B).
However, when stratified according to the presence of diabetes, patients with diabetes (regardless of the presence or number of other metabolic diseases) as compared to those with metabolic disease(s) but without diabetes or without any metabolic disease had the highest 15-year cumulative incidence of cirrhosis (25.0% vs. 4.1% vs. 2.3%, respectively, P=0.009), HCC (18.6% vs. 16.0% vs. 12.4%, respectively, P=0.023), overall, liver-related, and non-liverrelated death (39.7% vs. 26.5% vs. 24.5%, respectively, P<0.001; 15.5% vs. 10.4% vs. 9.7%, respectively, P=0.026; 25.8% vs. 17.5% vs. 16.4%, respectively, P<0.001). Pairwise comparisons of corrected significance levels using the Bonferroni method resulted in similar findings for comparisons between patients with diabetes versus no metabolic disease and those with diabetes versus those with a metabolic disease(s) but without diabetes (Fig. 3). Additionally, results were consistent in sensitivity analyses excluding patients with hepatic steatosis (Supplementary Fig. 4). Trends were also similar in most subgroup analyses although statistical power was limited in some instances due to small subgroup sample sizes (Supplementary Fig. 511).

Factors associated with adverse long-term outcomes

Factors associated with adverse long-term outcomes

In Cox regression analyses, there were significant associations between the presence of two or ≥3 metabolic diseases (vs. no metabolic disease) and higher risk of liver cirrhosis development (HR=4.00, 95% confidence interval [CI] 1.77–9.08, P=0.001; HR=3.78, 95% CI 1.22–11.74, P=0.021, respectively) and overall death (HR=1.55, 95% CI 1.03–2.33, P=0.037; HR=2.09, 95% CI 1.22–3.56, P=0.007, respectively), but not with HCC development or liver-related death. Only patients with ≥3 metabolic diseases had a significantly higher risk of non-liver-related death than those without metabolic disease (HR=1.99, 95% CI 1.08–3.69, P=0.027) (Supplementary Table 1).
However, in Cox regression analysis stratified by the presence of diabetes, we observed significant associations between diabetes (regardless of the presence or number of metabolic diseases) and higher risks of all adverse outcomes including cirrhosis (HR=3.75, 95% CI 1.53–9.18, P=0.004), HCC (HR=2.02, 95% CI 1.12–3.65, P=0.020), overall death (HR=2.53, 95% CI 1.75–3.66, P<0.001), liverrelated death (HR=2.65, 95% CI 1.19–5.86, P=0.016), and non-liver related death (HR=2.38, 95% CI 1.56–3.65, P<0.001) (Table 2). Conversely, a significant association between hepatic steatosis and a lower risk of cirrhosis (HR=0.15, 95% CI 0.04–0.64, P=0.010), HCC (HR=0.28, 95% CI 0.11–0.70, P=0.006), and liver-related death (HR=0.12, 95% CI 0.02–0.88, P=0.037) was observed (Supplementary Table 2).
Consistent results were also observed in a sensitivity analysis of the PSM cohort after excluding patients with hepatic steatosis (Table 3). In another sensitivity analysis adjusting for cirrhosis, the presence of diabetes remained significantly associated with higher risks of overall death (adjusted HR [aHR]=2.44, 95% CI 1.68–3.53, P<0.001) and nonliver-related death (aHR=2.42, 95% CI 1.58–3.71, P<0.001) (Supplementary Table 3). In further evaluation using Fine– Gray competing risks analysis with death as a competing risk in the PSM cohort, patients with diabetes (regardless of the presence or number of other metabolic diseases) remained the group with the higher risk of liver cirrhosis (SHR=3.51, 95% CI 1.36–9.05, P=0.009) and HCC (SHR=2.02, 95% CI 1.11–3.67, P=0.022) (Supplementary Table 4, Supplementary Fig. 12). We obtained consistent results in an analysis excluding patients with hepatic steatosis (Supplementary Table 5, Supplementary Fig. 13). Similar trends were observed in most subgroup analyses although some analyses were limited by small subgroup sample sizes (Supplementary Figs. 14, 15). Lastly, in an additional sensitivity analysis using the IPTW method where relevant background characteristics of the study groups (e.g., sex, age, race, alcohol use, liver cirrhosis, hepatic steatosis, HBeAg status, baseline HBV DNA, platelets, ALT level, and duration of treatment) were balanced, consistent results with higher risk of all adverse outcomes were again observed in patients with diabetes (Supplementary Table 6).
DISCUSSION
DISCUSSION
In this multinational cohort of 4,500 NA-treated CHB patients from both the East and West, we found that the presence of diabetes (regardless of the presence or number of other metabolic diseases) was consistently associated with a comprehensive range of adverse liver outcomes (cirrhosis, HCC, and liver-related deaths) as well as overall death and non-liver related death, rather than the numerical numbers of metabolic diseases per se. Patients with diabetes had an almost 4-fold higher risk of liver cirrhosis, 2-fold higher risk of HCC, and 2 to 2.5-fold higher risk of overall, liver-related, or non-liver related death compared to patients without metabolic disease, but not patients with metabolic disease(s) without diabetes.
Our study findings are congruent with prior knowledge that while NAs are effective at reducing the incidence of adverse liver-related events in CHB, these patients remain at risk for adverse liver-related events such as HCC [36-39]. By using PSM and IPTW to balance the background characteristics of our comparative patient groups and performing multiple sensitivity and subgroup analyses, our study expands on prior knowledge [11,40] and provides robust evidence of the negative impact of metabolic diseases, especially diabetes, on both liver outcomes and overall and non-liver related mortality among patients treated with first-line NAs. Prior studies were limited by small sample sizes, singlecenter study designs, and/or a focus mainly on liver outcomes [11,40]. Our study cohort was based on patients from 30 centers across different world regions and our sample size was large to allow for evaluation of a more comprehensive range of outcomes and robust adjustment for potential confounders.
In subgroup analysis, we found that the negative impacts of metabolic diseases, especially diabetes, were consistent across outcomes including liver-related outcomes as well as overall mortality and non-liver related mortality among patients without cirrhosis. However, the effect of diabetes appeared to be more muted with a significant association found only for overall death and non-liver-related death outcomes, but not HCC and liver-related death in an analysis adjusted for the presence of cirrhosis, which could be due to the fact that cirrhosis itself is one of the most important risk factors for HCC and liver-related death [41].
A strength of the current study is that we provided outcome data based on the type of metabolic disease and not just the number of metabolic diseases. Our study data suggest that there is a hierarchy of metabolic factors in which the presence of diabetes is the most impactful factor in the natural history of CHB. These results have significant clinical implications. First, screening for metabolic diseases, especially diabetes, should be performed in patients with CHB, including those without cirrhosis, as CHB patients with diabetes may be at 2 to 4-fold higher risk of various adverse outcomes including overall mortality as compared to those without metabolic disease. Second, among CHB patients without metabolic disease, patients should be strongly encouraged by their providers to make lifestyles changes to prevent the development of metabolic diseases, especially diabetes. Third, our data highlight the need for a multidisciplinary approach to patients with CHB that should include providers familiar with the management of metabolic diseases, as prior studies have observed reduced HCC risk in diabetic CHB patients with adequate glycemic control [14,18,42].
Currently, the exact underlying mechanisms linking diabetes and adverse liver and non-liver outcomes among patients with CHB are unclear. However, diabetes has been demonstrated to promote fibrosis progression and HCC via multiple mechanisms [43,44]. Diabetes may contribute to fibrosis progression and cirrhosis by modulating several key processes implicated in fibrogenesis, including activation of hepatic stellate cells, inflammation, angiogenesis, apoptosis, and hepatic sinusoidal capillarization [43,45]. In addition, hyperglycemia, hyperinsulinemia, insulin resistance, and activation of insulin-like growth factor signaling pathway have been suggested to be involved in the initiation and progression of HCC in diabetes [44,46]. More studies are needed to elucidate the precise mechanisms underlying the observed association between diabetes and CHB disease progression to inform further therapeutic development.
It is also important to note that hepatic steatosis can be a potential confounder when evaluating the impact of metabolic disease on the natural history of CHB. However, the association of hepatic steatosis and poor liver outcomes in CHB remains controversial. A recent meta-analysis found a higher risk of poor liver outcomes in CHB patients with hepatic steatosis [47], but the estimates in this study were pooled from very heterogeneous measurements (e.g., HR and odds ratios), limiting their conclusions. In our study, hepatic steatosis was associated with a lower risk of cirrhosis, HCC, and liver-related death, which is consistent with results from another recent meta-analysis that included individual patient level data with background risks balanced by IPTW [34]. Nevertheless, we accounted for the effect of hepatic steatosis by matching for this factor in our PSM. We additionally performed sensitivity analyses excluding patients with hepatic steatosis in all study groups and results were consistent with the primary analyses. Together, our findings suggest that the negative impact of diabetes on long-term adverse outcomes in NA-treated CHB patients is likely due to diabetes itself and independent of hepatic steatosis. Our findings are also in line with prior reports noting the distinct effects of hepatic steatosis and metabolic dysfunction on HCC risk in untreated patients with CHB [35]. However, additional studies with larger sample sizes are needed to explore the interactions between hepatic steatosis and metabolic dysfunction on the long-term outcomes of CHB patients treated with NAs.
Our study had several limitations. First, it was retrospective in nature, which could have introduced bias. However, well-defined outcomes and a structured data frame with a unified set of variable definitions were used for data collection across different centers to reduce potential biases. Second, although patients from both the East and West were included in the study, most included patients were of Asian ethnicity independent of geographic location, which is consistent with the disease burden. Thus, more studies of patients of non-Asian ethnicities are needed to validate our findings. Third, our study lacked detailed data on other factors that can impact the risk of adverse liver outcomes in patients with CHB such as statin or metformin use [48,49], glycemic control [18], or diabetes that developed later during follow-up, and further studies are needed to evaluate the impact of these factors. Lastly, obesity as defined in general and in this study was based only on BMI, which does not take in account the distribution of visceral fat that might be better measured by waist circumference. However, we lacked detailed data on waist circumference to include in our analyses.
In conclusion, the presence of diabetes rather than the number of metabolic diseases was the major factor associated with a higher risk of adverse long-term outcomes in CHB patients treated with NAs. Prevention and management of metabolic diseases, especially diabetes, is important to consider in the management of patients with CHB.
FOOTNOTES
FOOTNOTES

Authors’ contribution

Data collection, data interpretation, manuscript edition, and final approval: All authors. Study design and data analysis: Rui Huang and Mindie H. Nguyen. Manuscript drafting: Rui Huang and Mindie H. Nguyen. Study concept and study supervision: Mindie H. Nguyen.

Acknowledgements

Ming-Lung Yu wishes to acknowledge support from Center of Excellence for Metabolic Associated Fatty Liver Disease, National Sun Yat-sen University, Kaohsiung from The Featured Areas Research Center Program within the framework of the Higher Education Sprout Project by the Ministry of Education (MOE) in Taiwan (NSTC 112-2321-B-001-006 and MOHW112-TDU-B-221-124007).

Conflicts of Interest

Daniel Q. Huang: Advisory board: Gilead and Roche. Cheng-Hao Tseng: Speaker: Roche. Wan-Long Chuang: Member of Advisory Board: Gilead, AbbVie, BMS, Roche, Vaccitech and PharmaEssentia; Speaker: Gilead, AbbVie, BMS and Roche. Ming-Lung Yu: Research grant from Abbvie, BMS, Gilead, Merck and Roche diagnostics. Consultant: Abbott, Abbvie, BMS, Gilead, Roche and Roche diagnostics; Speaker: Abbvie, BMS, Eisai, Gilead, Roche and Roche diagnostics. Hidenori Toyoda: Speaker’s bureau/fees: AbbVie, Gilead Sciences, Takeda Pharmaceutical, Eisai, Kowa, Terumo, Fujifilm WAKO, Chugai, AstraZeneca, and Bayer. Yasuhito Tanaka: Lecture fee or other financial support: AbbVie GK, Gilead Sciences, Inc., Chugai Pharmaceutical Co., Ltd., ASKA Pharmaceutical Holdings Co., Ltd., OTSUKA Pharmaceutical Co., Ltd., Takeda Pharmaceutical Co., Ltd., GlaxoSmithKline PLC, AstraZeneca, Eisai, HU frontier; Medical research expenses: AbbVie GK., FUJIREBIO Inc., Sysmex Corp, GlaxoSmithKline PLC., Gilead Sciences, Inc., Janssen Pharmaceutical K.K., Scholarship donations: AbbVie GK., OTSUKA Pharmaceutical Co., Ltd. Chao Wu: Research grants: Gilead Sciences. Mindie H. Nguyen: Research grants via Stanford University from Pfizer, Enanta, Astra Zeneca, GSK, Delfi, Innogen, Exact Science, CurveBio, Gilead, Vir Biotech, Helio Health, National Institute of Health, Glycotest and personal fees from consulting/advisory board from Exelixis, Gilead, GSK. Jee- Fu Huang: Consultant of Roche, Gilead, Sysmex, Aligos and speaker for Abbvie, Gilead, Merck, Sysmex, and Novo Nordisk.

SUPPLEMENTAL MATERIAL

SUPPLEMENTAL MATERIAL

Supplementary material is available at Clinical and Molecular Hepatology website (http://www.e-cmh.org).
Supplementary Table 1.
Cox proportional hazards regression of long-term outcomes of chronic hepatitis B patients by the numbers of metabolic diseases in the propensity-score matched cohort
cmh-2024-1070-Supplementary-Table-1.pdf
Supplementary Table 2.
Cox proportional hazards regression of long-term outcomes of chronic hepatitis B patients with or without hepatic steatosis in the propensity-score matched cohort
cmh-2024-1070-Supplementary-Table-2.pdf
Supplementary Table 3.
Cox proportional hazards regression of long-term outcomes of chronic hepatitis B patients with metabolic diseases with or without diabetes after adjusting for the presence of liver cirrhosis at baseline in the propensity-score matched cohort
cmh-2024-1070-Supplementary-Table-3.pdf
Supplementary Table 4.
Fine–Gray sub-distribution hazard model of liver cirrhosis and hepatocellular carcinoma in chronic hepatitis B patients with metabolic diseases with or without diabetes in the propensity-score matched cohort
cmh-2024-1070-Supplementary-Table-4.pdf
Supplementary Table 5.
Fine–Gray sub-distribution hazard model of liver cirrhosis and hepatocellular carcinoma in chronic hepatitis B patients with metabolic diseases with or without diabetes after excluding patients with hepatic steatosis in the propensity-score matched cohort
cmh-2024-1070-Supplementary-Table-5.pdf
Supplementary Table 6.
Cox proportional hazards regression of long-term outcomes of chronic hepatitis B patients with metabolic diseases with or without diabetes in the inverse probability treatment weighting cohort
cmh-2024-1070-Supplementary-Table-6.pdf
Supplementary Figure 1.
Cumulative incidence of liver cirrhosis, hepatocellular carcinoma and death in CHB patients with different numbers of metabolic diseases in the unmatched cohort. (A) Liver cirrhosis; (B) HCC; (C)Overall death; (D) Liver-related death; (E) Nonliver- related death. CHB, chronic hepatitis B; HCC, hepatocellular carcinoma; MD, metabolic diseases.
cmh-2024-1070-Supplementary-Figure-1.pdf
Supplementary Figure 2.
Cumulative incidence of liver cirrhosis, hepatocellular carcinoma and death in CHB patients without metabolic diseases, with diabetes (regardless of the presence or number of other metabolic diseases) and with other metabolic diseases but without diabetes in the unmatched cohort. (A) Liver cirrhosis; (B) HCC; (C)Overall death; (D) Liver-related death; (E) Non-liver-related death. CHB, chronic hepatitis B; DM, diabetes mellitus; HCC, hepatocellular carcinoma; MD, metabolic diseases.
cmh-2024-1070-Supplementary-Figure-2.pdf
Supplementary Figure 3.
Cumulative rates of HBsAg loss of CHB patients with metabolic diseases in the propensity-score matched and unmatched cohorts. (A) Unmatched cohort; (B) Matched cohort. CHB, chronic hepatitis B; DM; diabetes mellitus; HBsAg, hepatitis B surface antigen; MD, metabolic disease.
cmh-2024-1070-Supplementary-Figure-3.pdf
Supplementary Figure 4.
Cumulative rates of long-term outcomes of CHB patients without metabolic diseases, with diabetes (regardless of the presence or number of other metabolic diseases), and with metabolic diseases but without diabetes in the propensity-score matched cohort after excluding patients with hepatic steatosis. (A) Liver cirrhosis; (B) HCC; (C)Overall death; (D) Liver-related death; (E) Non-liver-related death. CHB, chronic hepatitis B; DM, diabetes mellitus; HCC, hepatocellular carcinoma; MD, metabolic diseases.
cmh-2024-1070-Supplementary-Figure-4.pdf
Supplementary Figure 5.
Cumulative rates of long-term outcomes of CHB patients without metabolic diseases, with diabetes (regardless of the presence or number of other metabolic diseases) and with metabolic diseases but without diabetes in the propensity-score matched cohort by sex subgroups. (A) Female; (B) male. CHB, chronic hepatitis B; DM, diabetes mellitus; HCC, hepatocellular carcinoma; MD, metabolic diseases.
cmh-2024-1070-Supplementary-Figure-5.pdf
Supplementary Figure 6.
Cumulative rates of long-term outcomes of CHB patients without metabolic diseases, with diabetes (regardless of the presence or number of other metabolic diseases) and with metabolic diseases but without diabetes in the propensity-score matched cohort by age subgroups. (A) Age ≥50 years; (B) Age <50 years. CHB, chronic hepatitis B; DM, diabetes mellitus; HCC, hepatocellular carcinoma; MD, metabolic diseases.
cmh-2024-1070-Supplementary-Figure-6.pdf
Supplementary Figure 7.
Cumulative rates of long-term outcomes of CHB patients without metabolic diseases, with diabetes (regardless of the presence or number of other metabolic diseases) and with metabolic diseases but without diabetes in the propensity-score matched cohort by HBeAg subgroups. (A) HBeAg positive; (B) HBeAg negative. CHB, chronic hepatitis B; DM, diabetes mellitus; HBeAg, hepatitis B e antigen; HCC, hepatocellular carcinoma; MD, metabolic disease.
cmh-2024-1070-Supplementary-Figure-7.pdf
Supplementary Figure 8.
Cumulative rates of long-term outcomes of CHB patients without metabolic diseases, with diabetes (regardless of the presence or number of other metabolic diseases) and with metabolic diseases but without diabetes in the propensity-score matched cohort by ALT subgroups. (A) ALT >2× ULN; (B) ALT ≤2 × ULN. ALT, alanine aminotransferase; CHB, chronic hepatitis B; DM, diabetes mellitus; HCC, hepatocellular carcinoma; MD, metabolic diseases; ULN, upper limit of normal.
cmh-2024-1070-Supplementary-Figure-8.pdf
Supplementary Figure 9.
Cumulative rates of long-term outcomes of CHB patients without metabolic diseases, with diabetes (regardless of the presence or number of other metabolic diseases) and with metabolic diseases but without diabetes in the propensity-score matched cohort by HBV DNA subgroups. (A) HBV DNA ≥20,000 IU/mL; (B) HBV DNA <20,000 IU/mL. CHB, chronic hepatitis B; DM, diabetes mellitus; HBV, hepatitis B virus; HCC, hepatocellular carcinoma; MD, metabolic disease.
cmh-2024-1070-Supplementary-Figure-9.pdf
Supplementary Figure 10.
Cumulative rates of long-term outcomes of CHB patients without metabolic diseases, with diabetes (regardless of the presence or number of other metabolic diseases) and with metabolic diseases but without diabetes in the propensity-score matched cohort by type of antiviral drug subgroups. (A) ETV; (B) TDF/TAF. CHB, chronic hepatitis B; DM, diabetes mellitus; ETV, entecavir; HCC, hepatocellular carcinoma; MD, metabolic disease; TDF, tenofovir disoproxil fumarate; TAF, tenofovir alafenamide.
cmh-2024-1070-Supplementary-Figure-10.pdf
Supplementary Figure 11.
Cumulative rates of long-term outcomes of CHB patients without metabolic diseases, with diabetes (regardless of the presence or number of other metabolic diseases) and with metabolic diseases but without diabetes in the propensity-score matched cohort by cirrhosis subgroups. (A) With liver cirrhosis; (B) without liver cirrhosis. CHB, chronic hepatitis B; DM, diabetes mellitus; HCC, hepatocellular carcinoma; MD, metabolic disease.
cmh-2024-1070-Supplementary-Figure-11.pdf
Supplementary Figure 12.
Cumulative incidence of liver cirrhosis and hepatocellular carcinoma accounting for death as a competing risk in CHB patients without metabolic diseases, with diabetes (regardless of the presence or number of other metabolic diseases) and with other metabolic diseases but without diabetes in the matched cohort by Fine–Gray competing risks analysis. (A) Liver cirrhosis; (B) HCC. CHB, chronic hepatitis B; DM, diabetes mellitus; HCC, hepatocellular carcinoma; MD, metabolic disease.
cmh-2024-1070-Supplementary-Figure-12.pdf
Supplementary Figure 13.
Cumulative rates of liver cirrhosis and hepatocellular carcinoma accounting for death as a competing risk in CHB patients without metabolic diseases, with diabetes (regardless of the presence or number of other metabolic diseases) and with metabolic diseases but without diabetes in the propensity-score matched cohort after excluding patients with hepatic steatosis by Fine– Gray competing risks analysis. (A) Liver cirrhosis; (B) HCC. CHB, chronic hepatitis B; DM, diabetes mellitus; HCC, hepatocellular carcinoma; MD, metabolic disease.
cmh-2024-1070-Supplementary-Figure-13.pdf
Supplementary Figure 14.
Cumulative rates of liver cirrhosis and hepatocellular carcinoma accounting for death as a competing risk in CHB patients without metabolic diseases, with diabetes (regardless of the presence or number of other metabolic diseases) and with metabolic diseases but without diabetes in the propensity-score matched cohort by sex, age, type of antiviral drug, and presence of liver cirrhosis subgroups by Fine–Gray competing risks analysis. (A) Female; (B) male; (C) age ≥50 years; (D) age <50 years; (E) ETV; (F) TDF/TAF; (G) cirrhosis. CHB, chronic hepatitis B; HCC, hepatocellular carcinoma; DM, diabetes mellitus; MD, metabolic disease.
cmh-2024-1070-Supplementary-Figure-14.pdf
Supplementary Figure 15.
Cumulative rates of liver cirrhosis and hepatocellular carcinoma accounting for death as a competing risk in CHB patients without metabolic diseases, with diabetes (regardless of the presence or number of other metabolic diseases) and with metabolic diseases but without diabetes in the propensity-score matched cohort by ALT, HBV DNA and HBeAg status subgroups by Fine–Gray competing risks analysis. (A) ALT >2× ULN; (B) ALT ≤2× ULN; (C) HBV DNA ≥20,000 IU/mL; (D) HBV DNA <20,000 IU/mL; (E) HBeAg positive; (F) HBeAg negative. CHB, chronic hepatitis B; DM, diabetes mellitus; HBeAg, hepatitis B e antigen; HCC, hepatocellular carcinoma; MD, metabolic disease.
cmh-2024-1070-Supplementary-Figure-15.pdf

Figure 1.
Flow chart of patient selection. CHB, chronic hepatitis B; HCC, hepatocellular carcinoma; NA, nucleos(t)ide analogue.
cmh-2024-1070f1.tif
Figure 2.
Cumulative incidence of liver cirrhosis, hepatocellular carcinoma, and death in CHB patients with different numbers of metabolic diseases in a propensity-score matched cohort. (A) Liver cirrhosis; (B) HCC; (C)Overall death; (D) Liver-related death; (E) Non-liver-related death. CHB, chronic hepatitis B; HCC, hepatocellular carcinoma; MD, metabolic disease.
cmh-2024-1070f2.tif
Figure 3.
Cumulative incidence of cirrhosis, hepatocellular carcinoma, and death in CHB patients without metabolic diseases, with diabetes (regardless of the presence or number of other metabolic diseases) and with metabolic diseases but without diabetes in a propensityscore matched cohort. (A) Liver cirrhosis; (B) HCC; (C)Overall death; (D) Liver-related death; (E) Non-liver-related death. CHB, chronic hepatitis B; DM, diabetes mellitus; HCC, hepatocellular carcinoma; MD, metabolic diseases.
cmh-2024-1070f3.tif
cmh-2024-1070f4.tif
Table 1.
Baseline characteristics of patients with and without metabolic diseases
Patient characteristics Before PSM
After PSM*
With metabolic diseases (n=2,459) Without metabolic diseases (n=2,041) P-value Standardized difference With metabolic diseases (n=909) Without metabolic diseases (n=909) P-value Standardized difference
Age (yr) 52.8±12.6 48.2±12.8 <0.001 0.363 49.6±12.1 50.4±11.9 0.152 0.067
Male 1,641 (66.7) 1,185 (58.1) <0.001 0.179 563 (61.9) 564 (62.0) 0.961 0.002
Asian 2,403 (97.7) 1,979 (96.9) 0.112 0.047 881 (96.9) 884 (97.3) 0.676 0.019
Significant alcohol intake (n=4,005) 685 (31.1) 492 (27.3) 0.008 0.084 292 (32.1) 304 (33.4) 0.549 0.028
Diabetes 526 (21.4) - - - 192 (21.1) - - -
Hypertension 939 (38.2) - - - 294 (32.3) - - -
Dyslipidemia 791 (32.2) - - - 256 (28.2) - - -
Obesity 1,518 (61.7) - - - 573 (63.0) - - -
Hepatic steatosis (n=3,994) 741 (33.9) 347 (19.2) <0.001 0.338 177 (19.5) 204 (22.4) 0.120 0.073
Antiviral treatment 0.177 0.040 0.312 0.047
 ETV 1,553 (63.2) 1,249 (61.2) 567 (62.4) 546 (60.1)
 TDF/TAF 906 (36.8) 792 (38.8) 342 (37.6) 363 (39.9)
Positive HBeAg (n=3,900) 677 (31.6) 669 (38.1) <0.001 0.138 301 (33.1) 304 (33.4) 0.881 0.007
Cirrhosis (n=4,469) 752 (30.9) 448 (22.0) <0.001 0.201 237 (26.1) 248 (27.3) 0.560 0.027
HBV DNA (log10 IU/mL) 5.7 (4.3, 7.1) 5.9 (4.4, 7.4) <0.001 0.100 5.8 (4.4, 7.3) 5.8 (4.3, 7.2) 0.630 0.020
ALT (U/L) 68 (38, 137) 71 (36, 154) 0.799 0.037 75 (37, 144) 64 (36, 152) 0.234 0.031
AST (U/L) (n=4,351) 53 (34, 102) 55 (32, 109) 0.851 0.033 54 (33, 106) 53 (33, 112) 0.881 0.025
Platelet counts (103/μL) (n=3,784) 170 (122, 219) 182 (138, 230) <0.001 0.136 177 (132, 225) 176 (131, 223) 0.809 0.019
Fib-4 (n=3,661) 2.2 (1.3, 4.3) 1.9 (1.1, 3.7) <0.001 0.083 2.0 (1.1, 3.7) 2.0 (1.2, 3.9) 0.238 0.020
Fib-4 categories <0.001 0.172 0.231 0.048
 Low (<1.45) (n=1,218) 617 (30.4) 601 (36.9) 328 (36.1) 296 (32.6)
 Intermediate (1.45–3.25) (n=1,265) 696 (34.2) 569 (35.0) 315 (34.6) 344 (37.8)
 High (>3.25) (n=1,178) 720 (35.4) 458 (28.1) 266 (29.3) 269 (29.6)
Follow-up period (yr) 4.5 (2.5, 7.0) 4.3 (2.5, 6.5) 0.088 0.055 4.4 (2.5, 6.6) 4.6 (2.8, 6.6) 0.165 0.045
Metabolic diseases
 1 disease 1,496 (60.8) - 603 (66.3) - -
 2 diseases 670 (27.3) - 219 (24.1) - -
 ≥3 diseases 293 (11.9) - 87 (9.6) - -

Values are presented as mean±standard deviation, number (%), or median (interquartile range).

ALT, alanine aminotransferase; AST, aspartate aminotransferase; ETV, entecavir; Fib-4, fibrosis-4; HBeAg, hepatitis B e antigen; HBV, hepatitis B virus; PSM, propensity-score matching; TAF, tenofovir alafenamide; TDF, tenofovir disoproxil fumarate.

* Matched for sex, age, HBeAg status, baseline HBV DNA, platelet counts, and ALT level, AST level, ethnicity, alcohol use, liver cirrhosis, hepatic steatosis, and follow-up time.

Table 2.
Cox regression of long-term outcomes of CHB patients with metabolic diseases with or without diabetes in the PSM cohort
Events HR (95% CI) P-value
Liver cirrhosis
 No metabolic diseases 12/661 Reference
 Metabolic without diabetes 19/546 1.97 (0.96, 4.06) 0.066
 Metabolic with diabetes 8/126 3.75 (1.53, 9.18) 0.004
HCC
 No metabolic diseases 41/908 Reference
 Metabolic without diabetes 29/716 0.89 (0.55, 1.43) 0.618
 Metabolic with diabetes 15/192 2.02 (1.12, 3.65) 0.02
Overall death
 No metabolic diseases 87/905 Reference
 Metabolic without diabetes 63/716 0.92 (0.67, 1.27) 0.620
 Metabolic with diabetes 42/191 2.53 (1.75, 3.66) <0.001
Liver-related death
 No metabolic diseases 19/904 Reference
 Metabolic without diabetes 15/715 0.99 (0.50, 1.95) 0.981
 Metabolic with diabetes 9/189 2.65 (1.19, 5.86) 0.016
Non-liver-related death
 No metabolic diseases 67/904 Reference
 Metabolic without diabetes 47/715 0.89 (0.62, 1.30) 0.563
 Metabolic with diabetes 31/189 2.38 (1.56, 3.65) <0.001

CI, confidence interval; HCC, hepatocellular carcinoma; HR, hazard ratio; CHB, chronic hepatitis B; PSM, propensity-score matching.

Table 3.
Cox regression of long-term outcomes of CHB patients with metabolic diseases with or without diabetes after excluding patients with hepatic steatosis in the PSM cohort
Events HR (95% CI) P-value
Liver cirrhosis
 No metabolic diseases 10/497 Reference
 Metabolic without diabetes 19/409 2.26 (1.05, 4.86) 0.037
 Metabolic with diabetes 8/94 4.33 (1.71, 10.97) 0.002
HCC
 No metabolic diseases 37/704 Reference
 Metabolic without diabetes 28/574 0.91 (0.55, 1.48) 0.695
 Metabolic with diabetes 15/157 2.15 (1.18, 3.93) 0.012
Overall death
 No metabolic diseases 75/702 Reference
 Metabolic without diabetes 56/574 0.91 (0.64, 1.29) 0.601
 Metabolic with diabetes 36/156 2.41 (1.62, 3.59) <0.001
Liver-related death
 No metabolic diseases 18/701 Reference
 Metabolic without diabetes 15/573 1.00 (0.50, 1.99) 0.997
 Metabolic with diabetes 9/155 2.69 (1.21, 5.99) 0.016
Non-liver-related death
 No metabolic diseases 56/701 Reference
 Metabolic without diabetes 40/573 0.88 (0.58, 1.32) 0.526
 Metabolic with diabetes 26/155 2.29 (1.43, 3.64) 0.001

CI, confidence interval; HCC, hepatocellular carcinoma; HR, hazard ratio; CHB, hepatitis B; PSM, propensity-score matching.

Abbreviations
Abbreviations
AASLD

American Association for the Study of Liver Disease

ALT

alanine aminotransferase

anti-HBs

antibodies to HBsAg

BMI

body mass index

CHB

chronic hepatitis B

CI

confidence interval

ETV

entecavir

HBeAg

hepatitis B e antigen

HBsAg

hepatitis B surface antigen

HBV

hepatitis B virus

HCC

hepatocellular carcinoma

HDL-C

high-density lipoprotein cholesterol

HR

hazard ratio

IPTW

inverse probability treatment weighting

IQR

interquartile range

LDL-C

low-density lipoprotein cholesterol

NA

nucleos(t)ide analogue

PSM

propensity-score matching

SD

standard deviation

SHR

subdistribution hazard ratios

TAF

tenofovir alafenamide

TDF

tenofovir disoproxil fumarate

ULN

upper limit of normal

VR

virologic response

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