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Hepatology International

, Volume 13, Issue 6, pp 788–799 | Cite as

Epidemiology and clinical course of primary biliary cholangitis in the Asia–Pacific region: a systematic review and meta-analysis

  • Na Zeng
  • Weijia Duan
  • Sha Chen
  • Shanshan Wu
  • Hong Ma
  • Xiaojuan Ou
  • Hong You
  • Yuanyuan KongEmail author
  • Jidong JiaEmail author
Original Article
  • 183 Downloads

Abstract

Aims

Epidemiological studies on primary biliary cholangitis (PBC) show heterogeneity. The aim of the present study was to synthesize the prevalence, incidence and clinical course of PBC in the Asia–Pacific region.

Methods

PubMed, Medline, Cochrane library and EMBASE were searched for epidemiology and clinical course of PBC published up to July, 2019. Meta-analysis was conducted on the epidemiology and clinical course (decompensation, hepatocellular carcinoma and death/liver transplantation) of PBC patients. Random-effect model and fixed-effect model were used to evaluate the pooled prevalence, incidence, mortality/liver transplantation and their 95% confidence intervals as appropriate. Subgroup analysis was performed by stratification with gender, pre- and post-UDCA era, sub-region and publication year. Meta-regression was used to examine the heterogeneity.

Results

Out of 3460 studies, 18 studies from 7 countries/regions were finally included. The overall prevalence of PBC was 118.75 cases per million (95% CI 49.96–187.55) in the Asia–Pacific region, with the high, medium and low prevalence being in Japan and China (191.18 cases per million), New Zealand (99.16 cases per million) and South Korea and Australia (39.09 cases per million), respectively. The incidence of PBC was 8.55 cases per million per year (95% CI 8.05–9.06). The 5-year accumulative incidence of decompensation, HCC and death/liver transplantation in PBC patients was 6.95% (95% CI 2.07–11.83%), 1.54% (95% CI 0.9–2.19%) and 4.02% (95% CI 2.49–5.54%), respectively.

Conclusion

In the Asia–Pacific region, the prevalence and incidence of PBC are higher than once expected. PBC tends to be diagnosed at older age and has a relatively low incidence of HCC in this region.

Graphic abstract

Keywords

Primary biliary cholangitis Prevalence Epidemiology Meta-analysis 

Notes

Author contributions

NZ, JDJ and YYK designed the study and drafted the manuscript. NZ, WJD and SC extracted the data. NZ, WJD, HM and XJO assessed the quality of evidence. NA and SSW analyzed the data. YYK, HY and JDJ interpreted the results and finalized the manuscript. All the authors approved the final version of the paper.

Funding

This work was supported by grants from the National Science and Technology Major Special Project for New Drug Development (No. 2018ZX09201016), National Science and Technology Major Special Project for Infectious Diseases (No. 2018ZX10302204), the Digestive Medical Coordinated Development Center of Beijing Hospitals Authority (No. XXX 0104) and the Beijing Hospitals Authority Incubating Program (No. PX2019003).

Compliance with ethical standards

Conflict of interest

Na Zeng, Weijia Duan, Sha Chen, Shanshan Wu, Hong Ma, Xiaojuan Ou, Hong You, Yuanyuan Kong and Jidong Jia declare no conflict of interests.

Ethical approval

This article does not contain any study with human participants or animals performed by any of the authors.

Supplementary material

12072_2019_9984_MOESM1_ESM.doc (1.7 mb)
Supplementary material 1 (DOC 1690 kb)

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Copyright information

© Asian Pacific Association for the Study of the Liver 2019

Authors and Affiliations

  1. 1.Clinical Epidemiology and EBM Unit, Beijing Friendship HospitalCapital Medical UniversityBeijingChina
  2. 2.Liver Research Center, Beijing Friendship HospitalCapital Medical UniversityBeijingChina
  3. 3.Beijing Key Laboratory of Translational Medicine on Liver CirrhosisBeijingChina
  4. 4.National Clinical Research Center for Digestive DiseasesBeijingChina

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