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Hahn JW, Yang HR, Moon JS, Chang JY, Lee K, Kim GA, Rahmati M, Koyanagi A, Smith L, Kim MS, López Sánchez GF, Elena D, Shin JY, Shin JI, Kwon R, Kim S, Kim HJ, Lee H, Ko JS, Yon DK. Global incidence and prevalence of autoimmune hepatitis, 1970-2022: a systematic review and meta-analysis. EClinicalMedicine 2023; 65:102280. [PMID: 37876996 PMCID: PMC10590724 DOI: 10.1016/j.eclinm.2023.102280] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 09/24/2023] [Accepted: 10/02/2023] [Indexed: 10/26/2023] Open
Abstract
Background Autoimmune hepatitis (AIH) varies significantly in incidence and prevalence across countries and regions. We aimed to examine global, regional, and national trends in incidence and prevalence of AIH from 1970 to 2022. Methods We conducted a thorough search of the PubMed/MEDLINE, Embase, CINAHL, Google Scholar, and Cochrane databases from database inception to August 9, 2023, using the search term "autoimmune hepatitis" in combination with "incidence," "prevalence," or "trend." Only general population-based observational studies with larger samples sizes were considered for inclusion. Studies that recruited convenience samples, and those with fewer than 50 participants were excluded. Summary data were extracted from published reports. A random effects model was used and pooled estimates with 95% CI were used to calculate the incidence and prevalence of AIH. Heterogeneity was evaluated using the I2 statistic. The study protocol was registered with PROSPERO, CRD42023430138. Findings A total of 37 eligible studies, encompassing more than 239 million participants and 55,839 patients with AIH from 18 countries across five continents, were included in the analysis. Global pooled incidence and prevalence of AIH were found to be 1.28 cases per 100,000 inhabitant-years (95% CI, 1.01-1.63, I2 = 99·51%; number of studies, 33; sample population, 220,673,674) and 15.65 cases per 100,000 inhabitants (95% CI, 13.42-18.24, I2 = 99·75%; number of studies, 26; sample population, 217,178,684), respectively. The incidence of AIH was greater in countries with high Human Development Index (>0.92), in North America and Oceania (compared with Asia), among females, adults (compared with children), and high latitude (>45°). Similar patterns in AIH prevalence were observed. Pooled AIH prevalence increased gradually from 1970 to 2019 (1970-1999; 9.95 [4.77-15.13], I2 = 95·58% versus 2015-2022; 27.91 [24.86-30.96], I2 = 99·32%; cases per 100,000 inhabitants). The overall incidence and prevalence of AIH, as well as some subgroup analyses of the studies, displayed asymmetry in the funnel plots, suggesting potential evidence of publication bias. Interpretation AIH incidence and prevalence have increased significantly and exhibit substantial variation across regions worldwide. Further research is required to assess the incidence and prevalence of AIH, specifically in South America and Africa. Funding National Research Foundation of Korea.
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Affiliation(s)
- Jong Woo Hahn
- Department of Paediatrics, Seoul National University College of Medicine, Seoul, South Korea
- Department of Paediatrics, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Hye Ran Yang
- Department of Paediatrics, Seoul National University College of Medicine, Seoul, South Korea
- Department of Paediatrics, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Jin Soo Moon
- Department of Paediatrics, Seoul National University College of Medicine, Seoul, South Korea
| | - Ju Young Chang
- Department of Paediatrics, Seoul National University College of Medicine, Seoul, South Korea
| | - Kwanjoo Lee
- Digestive Disease Centre, CHA Bundang Medical Centre, CHA University School of Medicine, Seongnam, South Korea
| | - Gi Ae Kim
- Department of Internal Medicine, Kyung Hee University School of Medicine, Seoul, South Korea
| | - Masoud Rahmati
- Department of Physical Education and Sport Sciences, Faculty of Literature and Human Sciences, Lorestan University, Khoramabad, Iran
- Department of Physical Education and Sport Sciences, Faculty of Literature and Humanities, Vali-E-Asr University of Rafsanjan, Rafsanjan, Iran
| | - Ai Koyanagi
- Research and Development Unit, Parc Sanitari Sant Joan de Deu, Barcelona, Spain
| | - Lee Smith
- Centre for Health, Performance and Wellbeing, Anglia Ruskin University, Cambridge, UK
| | - Min Seo Kim
- Cardiovascular Disease Initiative, Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Guillermo F. López Sánchez
- Division of Preventive Medicine and Public Health, Department of Public Health Sciences, School of Medicine, University of Murcia, Murcia, Spain
| | - Dragioti Elena
- Pain and Rehabilitation Centre, Department of Medical and Health Sciences, Linköping University, Linköping, Sweden
- Research Laboratory Psychology of Patients, Families, and Health Professionals, Department of Nursing, School of Health Sciences, University of Ioannina, Ioannina, Greece
| | - Ju-Young Shin
- School of Pharmacy, Sungkyunkwan University, Suwon, South Korea
| | - Jae Il Shin
- Department of Paediatrics, Yonsei University College of Medicine, Seoul, South Korea
| | - Rosie Kwon
- Centre for Digital Health, Medical Science Research Institute, Kyung Hee University College of Medicine, Seoul, South Korea
- Department of Regulatory Science, Kyung Hee University, Seoul, South Korea
| | - Soeun Kim
- Centre for Digital Health, Medical Science Research Institute, Kyung Hee University College of Medicine, Seoul, South Korea
- Department of Regulatory Science, Kyung Hee University, Seoul, South Korea
| | - Hyeon Jin Kim
- Centre for Digital Health, Medical Science Research Institute, Kyung Hee University College of Medicine, Seoul, South Korea
- Department of Regulatory Science, Kyung Hee University, Seoul, South Korea
| | - Hojae Lee
- Centre for Digital Health, Medical Science Research Institute, Kyung Hee University College of Medicine, Seoul, South Korea
- Department of Regulatory Science, Kyung Hee University, Seoul, South Korea
| | - Jae Sung Ko
- Department of Paediatrics, Seoul National University College of Medicine, Seoul, South Korea
| | - Dong Keon Yon
- Centre for Digital Health, Medical Science Research Institute, Kyung Hee University College of Medicine, Seoul, South Korea
- Department of Regulatory Science, Kyung Hee University, Seoul, South Korea
- Department of Paediatrics, Kyung Hee University Medical Centre, Kyung Hee University College of Medicine, Seoul, South Korea
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Yadav V, Irfan R, Safdar S, Sunkara V, Ekhator C, Pendyala PR, Devi M, Shahzed SMI, Das A, Affaf M, Bellegarde SB, Shrestha R, Naseem MA, Al Khalifa A. Advances in Understanding and Managing Autoimmune Hepatitis: A Narrative Review. Cureus 2023; 15:e43973. [PMID: 37622052 PMCID: PMC10446851 DOI: 10.7759/cureus.43973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/23/2023] [Indexed: 08/26/2023] Open
Abstract
Autoimmune hepatitis (AIH) is a chronic liver disease characterized by immune-mediated destruction of hepatocytes, leading to inflammation and fibrosis. In recent years, significant advances have been made in understanding the pathogenesis, epidemiology, diagnosis, and treatment of AIH. This comprehensive narrative review aims to provide an up-to-date overview of these advances. The review begins by outlining the historical background of AIH, dating back to its initial recognition in the 1940s, and highlights the evolution of diagnostic criteria and classification based on autoantibody profiles. The epidemiology of AIH is explored, discussing its varying prevalence across different regions and the role of genetic predisposition, viral infections, and drug exposure as risk factors. Furthermore, the review delves into the pathogenesis of AIH, focusing on the dysregulated immune response, involvement of T cells, and potential contribution of the gut microbiome. Clinical presentation, diagnostic criteria, and liver biopsy as crucial tools for diagnosis are also discussed. Regarding management, the review provides an in-depth analysis of the standard first-line treatments involving glucocorticoids and azathioprine, as well as alternative therapies for non-responsive cases. Additionally, emerging second and third-line treatment options are examined. In conclusion, this narrative review highlights the complexity of AIH and underscores the importance of early diagnosis and individualized treatment approaches to improve patient outcomes. Further research and clinical trials are needed to optimize AIH management and ensure a better long-term prognosis for affected individuals.
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Affiliation(s)
- Vikas Yadav
- Internal Medicine, Pandit Bhagwat Dayal Sharma Post Graduate Institute of Medical Sciences, Rohtak, IND
| | | | | | | | - Chukwuyem Ekhator
- Neuro-Oncology, New York Institute of Technology, College of Osteopathic Medicine, Old Westbury, USA
| | - Praful R Pendyala
- Neurology, Chalmeda Anand Rao Institute of Medical Sciences, Karimnagar, IND
| | | | | | - Archana Das
- Internal Medicine, North East Medical College and Hospital, Sylhet, BGD
| | - Maryam Affaf
- Medicine, Khyber Medical University, Peshawar, PAK
| | - Sophia B Bellegarde
- Pathology and Laboratory Medicine, American University of Antigua, St. John's, ATG
| | - Riya Shrestha
- Medicine, Nepal Medical College and Teaching Hospital, Kathmandu, NPL
| | | | - Ahmed Al Khalifa
- Medical School, College of Medicine, Sulaiman Alrajhi University, Al Bukayriyah, SAU
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Terziroli Beretta-Piccoli B, Mieli-Vergani G, Vergani D. Autoimmmune hepatitis. Cell Mol Immunol 2022; 19:158-176. [PMID: 34580437 PMCID: PMC8475398 DOI: 10.1038/s41423-021-00768-8] [Citation(s) in RCA: 55] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Accepted: 08/29/2021] [Indexed: 02/06/2023] Open
Abstract
Autoimmune hepatitis (AIH) is a T-cell mediated, inflammatory liver disease affecting all ages and characterized by female preponderance, elevated serum transaminase and immunoglobulin G levels, positive circulating autoantibodies, and presence of interface hepatitis at liver histology. AIH type 1, affecting both adults and children, is defined by positive anti-nuclear and/or anti-smooth muscle antibodies, while type 2 AIH, affecting mostly children, is defined by positive anti-liver-kidney microsomal type 1 and/or anti-liver cytosol type 1 antibody. While the autoantigens of type 2 AIH are well defined, being the cytochrome P4502D6 (CYP2D6) and the formiminotransferase cyclodeaminase (FTCD), in type 1 AIH they remain to be identified. AIH-1 predisposition is conferred by possession of the MHC class II HLA DRB1*03 at all ages, while DRB1*04 predisposes to late onset disease; AIH-2 is associated with possession of DRB1*07 and DRB1*03. The majority of patients responds well to standard immunosuppressive treatment, based on steroid and azathioprine; second- and third-line drugs should be considered in case of intolerance or insufficient response. This review offers a comprehensive overview of pathophysiological and clinical aspects of AIH.
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Affiliation(s)
- Benedetta Terziroli Beretta-Piccoli
- Epatocentro Ticino & Facoltà di Scienze Biomediche, Università della Svizzera Italiana, Lugano, Switzerland.
- Institute for Research in Biomedicine, Bellinzona, Switzerland.
- King's College London Faculty of Life Sciences & Medicine at King's College Hospital, London, UK.
| | - Giorgina Mieli-Vergani
- King's College London Faculty of Life Sciences & Medicine at King's College Hospital, London, UK
- Paediatric Liver, GI and Nutrition Centre, MowatLabs, King's College Hospital, London, UK
| | - Diego Vergani
- King's College London Faculty of Life Sciences & Medicine at King's College Hospital, London, UK
- Institute of Liver Studies, MowatLabs, King's College Hospital, London, UK
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Kemme S, Mack CL. Pediatric Autoimmune Liver Diseases: Autoimmune Hepatitis and Primary Sclerosing Cholangitis. Pediatr Clin North Am 2021; 68:1293-1307. [PMID: 34736590 DOI: 10.1016/j.pcl.2021.07.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
In chronic hepatitis, a broad differential diagnosis should be considered to accurately identify the cause(s) of liver injury. Autoimmune liver diseases (autoimmune hepatitis, primary sclerosing cholangitis, overlap syndrome) can occur in the setting of limited symptoms; therefore, a high index of suspicion and appropriate diagnostic workup should be performed. Most children with autoimmune hepatitis achieve sustained remission with medical therapy; however, there are no equivalent therapies for primary sclerosing cholangitis that impact the progression of disease. Research should include biomarker studies to predict histologic remission in autoimmune hepatitis and mechanistic studies to define future treatment targets for primary sclerosing cholangitis.
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Affiliation(s)
- Sarah Kemme
- Section of Gastroenterology, Hepatology, and Nutrition, Digestive Health Institute, University of Colorado Denver School of Medicine and Children's Hospital Colorado, 13123 East 16th Avenue, Mailstop B290, Aurora, CO 80045, USA.
| | - Cara L Mack
- Section of Gastroenterology, Hepatology, and Nutrition, Digestive Health Institute, University of Colorado Denver School of Medicine and Children's Hospital Colorado, 13123 East 16th Avenue, Mailstop B290, Aurora, CO 80045, USA
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Haggård L, Glimberg I, Lebwohl B, Sharma R, Verna EC, Green PHR, Ludvigsson JF. High prevalence of celiac disease in autoimmune hepatitis: Systematic review and meta-analysis. Liver Int 2021; 41:2693-2702. [PMID: 34219350 DOI: 10.1111/liv.15000] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 06/01/2021] [Accepted: 06/21/2021] [Indexed: 12/26/2022]
Abstract
BACKGROUND Previous studies investigating the prevalence of celiac disease (CD) in individuals with autoimmune hepatitis (AIH) have shown highly variable results. We therefore aimed to examine the prevalence of CD in individuals with AIH. METHODS Two professional librarians searched PubMed, EMBASE, Cochrane and Web of Science Core Collection up until 7 February 2020. The search terms included 'celiac disease', 'celiac', 'transglutaminases', 'gluten', 'gliadin', 'EMA', 'TTG' and 'villous' combined with 'autoimmune', 'hepatitis', 'ANA', 'SMA' and 'LKM'. This search yielded 2419 unique publications. A systematic review based on the PRISMA guidelines resulted in 31 articles eligible for full text review. Fifteen articles were deemed relevant, with 8 being included in our main analysis. A fixed-effect inverse variance-weighted model was used, and heterogeneity was calculated. RESULTS Our main analysis included 567 individuals with AIH from eight studies, where biopsy-verified CD (equivalent to Marsh III) was seen in 23 individuals (4.1%). The pooled prevalence of CD in AIH was 3.5% (95% CI = 1.6%-5.3%) (heterogeneity: P = .874; I2 = 0.0%), which is clearly higher than the 1% CD seen in most general populations. When also including studies where CD had been diagnosed through positive serology without biopsy (15 studies: n = 1817 individuals with AIH), the pooled prevalence of CD was 2.9% (95% CI = 2.1%-3.8%) (heterogeneity: P < .001; I2 = 66.8%). CONCLUSION Our results demonstrate a higher prevalence of CD in individuals with AIH compared to the general population. CD screening may be considered in patients with AIH.
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Affiliation(s)
- Linnea Haggård
- Department Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Ida Glimberg
- School of Medical Sciences, Örebro University, Örebro, Sweden
| | - Benjamin Lebwohl
- Celiac Disease Center, Department of Medicine, Columbia University Medical Center, New York, NY, USA.,Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Rajani Sharma
- Center for Liver Disease and Transplantation, Division of Digestive and Liver Diseases, Columbia University Irving Medical Center, New York, NY, USA.,Division of Digestive and Liver Diseases, Department of Medicine, Columbia University College of Physicians and Surgeons, New York, NY, USA
| | - Elizabeth C Verna
- Center for Liver Disease and Transplantation, Division of Digestive and Liver Diseases, Columbia University Irving Medical Center, New York, NY, USA.,Division of Digestive and Liver Diseases, Department of Medicine, Columbia University College of Physicians and Surgeons, New York, NY, USA
| | - Peter H R Green
- Celiac Disease Center, Department of Medicine, Columbia University Medical Center, New York, NY, USA
| | - Jonas F Ludvigsson
- Department Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.,Celiac Disease Center, Department of Medicine, Columbia University Medical Center, New York, NY, USA.,Department of Pediatrics, Örebro University Hospital, Örebro University, Örebro, Sweden.,Division of Epidemiology and Public Health, School of Medicine, University of Nottingham, Nottingham, UK
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Terrabuio D, Porta G, Cançado E. Particularities of Autoimmune Hepatitis in Latin America. Clin Liver Dis (Hoboken) 2020; 16:101-107. [PMID: 33005390 PMCID: PMC7508781 DOI: 10.1002/cld.928] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 01/08/2020] [Indexed: 02/04/2023] Open
Abstract
Watch a video presentation of this article.
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Affiliation(s)
- Debora Terrabuio
- GastroenterologyUniversidade de São Paulo Hospital das ClínicasSão PauloBrazil
| | - Gilda Porta
- Hepatology UnitSchool of Medicine‐Federal University of Bahia, BrasilSalvadorBahiaBrazil
| | - Eduardo Cançado
- Universidade de São Paulo Instituto de Medicina Tropical de São PauloSão PauloBrazil
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Lv T, Li M, Zeng N, Zhang J, Li S, Chen S, Zhang C, Shan S, Duan W, Wang Q, Wu S, You H, Ou X, Ma H, Zhang D, Kong Y, Jia J. Systematic review and meta-analysis on the incidence and prevalence of autoimmune hepatitis in Asian, European, and American population. J Gastroenterol Hepatol 2019; 34:1676-1684. [PMID: 31146297 DOI: 10.1111/jgh.14746] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 05/10/2019] [Accepted: 05/25/2019] [Indexed: 12/13/2022]
Abstract
BACKGROUND AND AIM Reported incidence and prevalence rates of autoimmune hepatitis (AIH) have been sparse and heterogeneous. The aim of this meta-analysis was to estimate the worldwide incidence and prevalence rates of AIH and reveal population difference. METHODS Published articles on the epidemiology of AIH in PubMed, Embase, and Cochrane Library were systematically searched from inception to April 28, 2019. Two investigators independently reviewed these literatures and evaluated their quality. A random-effects model was used to pool the overall incidence and prevalence rates. The impact of population difference, gender, age, study period, study quality, diagnostic criteria, and study design was further analyzed with subgroup analysis and meta-regression. RESULTS A total of 22 studies were included in the meta-analysis. The pooled worldwide annual incidence and prevalence of AIH were 1.37 (95% confidence interval [CI]: 0.95-1.80) and 17.44 (95% CI: 12.01-22.87) per 100 000 persons, respectively. Subgroup analysis showed that the pooled annual incidence for Asian, European, and American population was 1.31 (95% CI: 0.42-2.20), 1.37 (95% CI: 1.10-1.64), and 1.00 (95% CI: 0.44-1.56) per 100 000 persons, respectively; the pooled prevalence for Asian, European, and American population was 12.99 (95% CI: 2.05-23.92), 19.44 (95% CI: 15.63-23.24), and 22.80 (95% CI: -13.48 to 59.07) per 100 000 persons, respectively. In addition, higher incidence and prevalence rates were observed in women than men, and a higher prevalence rate was observed in elderly than young people. CONCLUSIONS Autoimmune hepatitis is a rare disease, with a similar incidence worldwide and a higher prevalence in European and American than in Asian population.
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Affiliation(s)
- Tingting Lv
- Liver Research Center, Beijing Friendship Hospital, Capital Medical University; Beijing Key Laboratory of Translational Medicine on Liver Cirrhosis; National Clinical Research Center for Digestive Disease, Beijing, China
| | - Min Li
- Clinical Epidemiology and EBM Unit, National Clinical Research Center for Digestive Disease, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Na Zeng
- Clinical Epidemiology and EBM Unit, National Clinical Research Center for Digestive Disease, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Jingqi Zhang
- Liver Research Center, Beijing Friendship Hospital, Capital Medical University; Beijing Key Laboratory of Translational Medicine on Liver Cirrhosis; National Clinical Research Center for Digestive Disease, Beijing, China
| | - Shuxiang Li
- Liver Research Center, Beijing Friendship Hospital, Capital Medical University; Beijing Key Laboratory of Translational Medicine on Liver Cirrhosis; National Clinical Research Center for Digestive Disease, Beijing, China
| | - Sha Chen
- Liver Research Center, Beijing Friendship Hospital, Capital Medical University; Beijing Key Laboratory of Translational Medicine on Liver Cirrhosis; National Clinical Research Center for Digestive Disease, Beijing, China
| | - Chunpan Zhang
- Liver Research Center, Beijing Friendship Hospital, Capital Medical University; Beijing Key Laboratory of Translational Medicine on Liver Cirrhosis; National Clinical Research Center for Digestive Disease, Beijing, China
| | - Shan Shan
- Liver Research Center, Beijing Friendship Hospital, Capital Medical University; Beijing Key Laboratory of Translational Medicine on Liver Cirrhosis; National Clinical Research Center for Digestive Disease, Beijing, China
| | - Weijia Duan
- Liver Research Center, Beijing Friendship Hospital, Capital Medical University; Beijing Key Laboratory of Translational Medicine on Liver Cirrhosis; National Clinical Research Center for Digestive Disease, Beijing, China
| | - Qianyi Wang
- Liver Research Center, Beijing Friendship Hospital, Capital Medical University; Beijing Key Laboratory of Translational Medicine on Liver Cirrhosis; National Clinical Research Center for Digestive Disease, Beijing, China
| | - Shanshan Wu
- Clinical Epidemiology and EBM Unit, National Clinical Research Center for Digestive Disease, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Hong You
- Liver Research Center, Beijing Friendship Hospital, Capital Medical University; Beijing Key Laboratory of Translational Medicine on Liver Cirrhosis; National Clinical Research Center for Digestive Disease, Beijing, China
| | - Xiaojuan Ou
- Liver Research Center, Beijing Friendship Hospital, Capital Medical University; Beijing Key Laboratory of Translational Medicine on Liver Cirrhosis; National Clinical Research Center for Digestive Disease, Beijing, China
| | - Hong Ma
- Liver Research Center, Beijing Friendship Hospital, Capital Medical University; Beijing Key Laboratory of Translational Medicine on Liver Cirrhosis; National Clinical Research Center for Digestive Disease, Beijing, China
| | - Dong Zhang
- Experimental and Translational Research Center, Beijing Friendship Hospital, Capital Medical University; Beijing Clinical Research Institute; Beijing Key Laboratory of Tolerance Induction and Organ Protection in Transplantation, Beijing, China
| | - Yuanyuan Kong
- Clinical Epidemiology and EBM Unit, National Clinical Research Center for Digestive Disease, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Jidong Jia
- Liver Research Center, Beijing Friendship Hospital, Capital Medical University; Beijing Key Laboratory of Translational Medicine on Liver Cirrhosis; National Clinical Research Center for Digestive Disease, Beijing, China
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