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Mortality and cause of death in persons with chronic hepatitis B virus infection versus healthy persons from the general population in Denmark
Signe Bollerup 1 , Sofie Hallager 1 , Frederik Engsig 1 , Amanda Mocroft 2 3 , Henrik Krarup 4 5 , Lone G Madsen 6 7 , Peter Thielsen 8 , Ulla Balslev 9 , Helene Mens 10 , Toke S Barfod 11 , Mette R Clausen 12 , Lise Hobolth 13 , Alex L Laursen 14 , Britta Tarp 15 , Birgit T Roege 16 , Jesper B Hansen 5 , Lone Mygind 17 , Peer B Christensen 18 19 , Jan Gerstoft 7 20 , Nina Weis 1 7
Affiliations
PMID: 35633092 DOI: 10.1111/jvh.13713
Abstract
The study aimed to determine adjusted all-cause mortality and cause of death in persons with chronic hepatitis B virus (HBV) infection compared with age - and sex-matched persons from the general population. We used nationwide registers to identify persons aged ≥ 18 years with chronic HBV infection in 2002-2017 in Denmark and included 10 age- and sex matched controls for each. Follow up was from 6 months after diagnosis until death, emigration, or December 31, 2017. Mortality rate ratios (MRRs) adjusted for age, sex, employment, origin, and comorbidity were calculated using Poisson regression. Unadjusted cause specific mortality rate ratios with 95% confidence intervals were calculated assuming a Poisson distribution. A total of 6,988 persons with chronic HBV infection and 69,847 controls were included. During a median follow up of 7.7 years (range 0.0-15.5), 315 (5%) persons with - and 1,525 (2%) without - chronic HBV infection died. The adjusted all-cause MRR was 1.5 (95% CI 1.2-2.0). Persons with chronic HBV infection had increased mortality due to liver disease including hepatocellular carcinoma (MRR 12.3 [8.6-17.7]), external causes (MRR 3.3 [2.5-4.7]), endocrine disease (MRR 3.2 [1.8-5.4]), genitourinary disease (MRR 3.2 [1.2-7.6]) and neoplasms (except hepatocellular carcinoma; MRR 1.6 [1.2-2.0]). In conclusion, this study showed an increased all-cause mortality in persons with chronic HBV infection in comparison with age- and sex-matched persons without chronic HBV infection which remained after adjustment for several confounding factors. Excess mortality was mainly associated with liver disease, but also external factors, endocrine disease, genitourinary disease, and neoplasms (excluding hepatocellular carcinoma).
Keywords: DANHEP; Hepatitis B; Scandinavia; general population; nationwide.
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