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Incidence, prevalence and mortality of autoimmune hepatitis in England 1997-2015. A population-based cohort study

Gr�nb�k, Lisbet; Otete, Harmony; Ban, Lu; Crooks, Colin; Card, Timothy; Jepsen, Peter; West, Joe

Incidence, prevalence and mortality of autoimmune hepatitis in England 1997-2015. A population-based cohort study Thumbnail


Authors

Lisbet Gr�nb�k

Harmony Otete

Lu Ban

Dr TIM CARD tim.card@nottingham.ac.uk
Clinical Associate Professor

Peter Jepsen

JOE WEST JOE.WEST@NOTTINGHAM.AC.UK
Professor of Epidemiology



Abstract

© 2020 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd Background & Aims: There are few population-based studies of the incidence and mortality of autoimmune hepatitis. The burden of the disease and how it has changed over time have not been fully explored. We conducted a population-based cohort study on the incidence and mortality of autoimmune hepatitis in England, 1997-2015. Methods: From the Clinical Practice Research Datalink we included 882 patients diagnosed with autoimmune hepatitis in England, 1997-2015. The patients were followed through 2015, and we calculated the sex- and age-standardized incidence and prevalence of autoimmune hepatitis. We examined variation in incidence by sex, age, calendar year, geographical region and socioeconomic status, and incidence rate ratios were calculated with Poisson regression. We calculated all-cause and cause-specific mortality. Results: The overall standardized incidence rate of autoimmune hepatitis was 2.08 (95% confidence interval 1.94-2.22) per 100,000 population per year, higher in women, higher in older age and independent of region and socioeconomic status. From 1997 to 2015 the incidence doubled from 1.27 (95% confidence interval 0.51-2.02) to 2.56 (95% confidence interval 1.79-3.33) per 100,000 population per year. The 10-year cumulative all-cause mortality was 31.9% (95% confidence interval 27.6-36.5), and the 10-year cumulative liver-related mortality, including hepatocellular carcinoma was ~10.5%. Conclusions: This population-based study showed that the incidence of autoimmune hepatitis doubled over an eighteen-year period. The incidence was particularly high in older women and was similar across all regions of England and independent of socioeconomic status. Patients with autoimmune hepatitis had a high mortality.

Citation

Grønbæk, L., Otete, H., Ban, L., Crooks, C., Card, T., Jepsen, P., & West, J. (2020). Incidence, prevalence and mortality of autoimmune hepatitis in England 1997-2015. A population-based cohort study. Liver International, 40(7), 1634-1644. https://doi.org/10.1111/liv.14480

Journal Article Type Article
Acceptance Date Apr 13, 2020
Online Publication Date Apr 18, 2020
Publication Date 2020-07
Deposit Date Apr 24, 2020
Publicly Available Date Mar 29, 2024
Journal Liver International
Print ISSN 1478-3223
Electronic ISSN 1478-3231
Publisher Wiley
Peer Reviewed Peer Reviewed
Volume 40
Issue 7
Pages 1634-1644
DOI https://doi.org/10.1111/liv.14480
Keywords Hepatology
Public URL https://nottingham-repository.worktribe.com/output/4331954
Publisher URL https://onlinelibrary.wiley.com/doi/abs/10.1111/liv.14480
Additional Information This is the peer reviewed version of the following article: Grønbæk, L., Otete, H., Ban, L., Crooks, C., Card, T., Jepsen, P. and West, J. (2020), Incidence, prevalence, and mortality of autoimmune hepatitis in England 1997‐2015. A population‐based cohort study. Liver Int. Accepted Author Manuscript, which has been published in final form at https://doi.org/10.1111/liv.14480. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.

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