• Hoyoung Wang, Su Youn Nam, and Junwoo Jo.
• Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
• Prev Med. 2023 Oct 1; 175: 107714107714.

PurposeWe investigated the association between hepatic and metabolic factors and renal cancer risk.MethodsThis population-based cohort study included cancer-free individuals who underwent general health evaluation (January to December 2010) at the Korean National Health Insurance Service and followed-up through 2017. Hazard ratios (HR) and 95% confidence intervals (CI), determined by adjusted Cox regression analysis were used to investigate the effect of variables on renal cancer risk.ResultsAmong 4,518,704 subjects, 6531 patients developed renal cancer. Adjusted analyses of epidemiological factors and BMI (body mass index) (Model I) showed serum high-density lipoprotein cholesterol (HDL-C) ≥60 mg/dL (adjusted HR [aHR] 0.88, 95% CI, 0.81-0.95) reduced renal cancer risk comparing to low HDL-C, whereas hepatitis B virus (HBV) antigen (aHR 1.41, 95% CI 1.19-1.68) and chronic HBV infection (aHR 1.65, 95% CI 1.26-2.17) increased its risk. Higher BMI increased renal cancer risk in dose-dependent manner (P for trend <0.001). This association persisted after adjustment for epidemiological factors and waist circumference (Model II). Sex-specific analyses showed similar effect of HBV antigen and chronic HBV infection in both sexes. Normal (50-59 mg/dL in women) or high (≥60 mg/dL in men) HDL-C reduced renal cancer risk. Alcohol consumption increased kidney cancer risk in age ≥ 60 years, but it had no association with renal cancer in age < 60 years.ConclusionsHigh serum HDL-C levels reduced and HBV antigen and chronic HBV infection increased renal cancer risk across different adjusted analysis models. This effect of low HDL-C and chronic HBV infection persisted in sex-based subanalysis.Copyright © 2023 Elsevier Inc. All rights reserved.

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