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Reduced liver cancer mortality with regular clinic follow-up among patients with chronic hepatitis B: A nationwide cohort study Jae-Jun Shim
1, Gi-Ae Kim
1, Chi Hyuk Oh
1, Jung Wook Kim
1, Jisun Myung
2, Byung-Ho Kim
1, In-Hwan Oh
2
Affiliations
Affiliations - 1 Department of Internal Medicine, Kyung Hee University School of Medicine, Seoul, Korea.
- 2 Department of Preventive Medicine, School of Medicine, Kyung Hee University, Seoul, Korea.
Free article
Abstract Background: Regular clinic follow-up is a prerequisite for optimal antiviral therapy and surveillance of hepatocellular carcinoma in patients with chronic hepatitis B (CHB). However, adherence to regular follow-up stays low in practice. This study investigated whether regular follow-up is associated with decreased liver cancer mortality in CHB patients.
Methods: A nationwide population-based historical cohort study was conducted using customized data from the National Health Insurance Service of Korea. The number of hospital visits every 3-month interval was counted for 2 years from the date of CHB diagnosis. Patients were classified into three follow-up groups: regular (four to eight visits), irregular (one to three visits), and no follow-up. The risk of liver cancer mortality was compared among the groups using Cox proportional hazard regression analysis.
Results: Of the 414 074 CHB patients, 22.9% had regular follow-up. In multivariable analysis, regular follow-up was independently associated with decreased risk of liver cancer mortality compared to no follow-up (hazard ratio [HR], 0.56; 95% confidence interval [CI], 0.50-0.63, P < .001). Regular follow-up was also associated with the lowest risk of all-cause mortality (HR, 0.60; 95% CI, 0.57-0.63, P < .001). Patients with regular follow-up received more curative treatment (23.1% vs 15.1%, P < .001). Patients were less motivated when they were female, >60 years, of low socioeconomic status, disabled, lived in a rural area, had a higher comorbidity rate, or did not have cirrhosis.
Conclusions: Regular follow-up at least every 3-6 months is significantly associated with reduced liver cancer mortality in patients with CHB.
Keywords: adult liver cancer; chronic hepatitis B; mortality; office visits.
© 2020 The Authors. Cancer Medicine published by John Wiley & Sons Ltd. |
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