Hepatitis B Core Antibody Positivity Associated with Increased Risk of Liver Cancer in Patients with Chronic Hepatitis C: Analysis of a Large Patient Cohort in Hawai‘i

Chronic hepatitis C infection is a major cause of liver cancer in the United States. Hawai‘i’s incidence of liver cancer consistently ranks among the highest in the US, due in part to the high prevalence of hepatitis B in the state. To better understand the factors associated with liver cancer among...

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Bibliographic Details
Published in:Hawai'i journal of health & social welfare 2022-05, Vol.81 (5), p.127-133
Main Authors: Collis, Olivia A., Ashley, Patrycja A., Chen, Li-Hsieh, Pedula, Kathryn L, Miyashiro, Shelley M., Yamashita, Shellie K.
Format: Article
Language:English
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Summary:Chronic hepatitis C infection is a major cause of liver cancer in the United States. Hawai‘i’s incidence of liver cancer consistently ranks among the highest in the US, due in part to the high prevalence of hepatitis B in the state. To better understand the factors associated with liver cancer among patients in Hawai‘i with hepatitis C virus (HCV) infection, the patient database of Kaiser Permanente’s Hawai’i region was used to identify a cohort of 3198 patients with a history of chronic HCV infection, of whom 159 (5%) were diagnosed with liver cancer between the years 2004-2020. Multiple logistic regression was used to identify factors independently associated with liver cancer. Male sex (AOR 2.02, 95% CI 1.34-3.06), Asian race (AOR 1.78, 1.16 - 2.74) and hepatitis B core antibody (HBCAB) positivity (AOR 1.76, 95% CI 1.25 - 2.49) emerged as independent predictors of liver cancer among patients with chronic HCV infection. A history of diabetes (AOR 1.56, 1.07 - 2.27) and older age at the time of HCV diagnosis (AOR 1.19, 1.09-1.29) also emerged as significant associations. HBCAB-positive individuals did not differ significantly from those who were HBCAB-negative in regards to demographics or 5-year survival rate. In this cohort of patients with chronic HCV, a positive HBCAB without evidence of active hepatitis B infection was associated with 1.76 increased odds of liver cancer compared to those with negative HBCAB. This finding may have important implications for screening algorithms among individuals with hepatitis C infection.
ISSN:2641-5216
2641-5224