PMID: 11927497Apr 3, 2002Paper

Eight-year follow-up of the 90,000-person Haimen City cohort: I. Hepatocellular carcinoma mortality, risk factors, and gender differences

Cancer Epidemiology, Biomarkers & Prevention : a Publication of the American Association for Cancer Research, Cosponsored by the American Society of Preventive Oncology
Alison A EvansW Thomas London

Abstract

In an 8-year follow-up of a prospective cohort study in Haimen City, China, we sought to identify hepatocellular carcinoma (HCC) risk factors in addition to hepatitis B virus (HBV) infection. Two cohorts of adults between ages 25 and 64 years at study entry were followed from 1992-1993 to 2000. The male cohort included 58,545 men, 15.0% of whom were HBV carriers. The female cohort included 25,340 women, 10.7% of whom were HBV carriers. 434,718 person-years of follow-up were accumulated, and 1092 deaths from HCC occurred. The relationship of potential risk factors measured at study entry to HCC mortality was analyzed using Cox proportional hazards models. For males, HCC mortality was significantly associated with HBV infection [relative risk (RR) 18.8; 95% confidence interval (CI), 15.7-22.5], history of acute hepatitis (RR, 2.3; 95% CI, 2.0-2.7), family history of HCC (RR, 2.3; 95% CI, 1.9-2.7), and occupation as a peasant (RR, 1.5; 95% CI, 1.3-1.8). For females, HCC mortality was significantly associated with HBV infection (RR, 33.5; 95% CI, 17.1-65.5) and acute hepatitis history (RR, 4.7; 95% CI, 3.0-7.5). HCC risk was not significantly associated with alcohol consumption, water source, or staple foods in either sex. There wa...Continue Reading

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