Coffee, including caffeinated and decaffeinated coffee, and the risk of hepatocellular carcinoma: a systematic review and dose-response meta-analysis
Kennedy OJ, Roderick P, Buchanan R, et al. • BMJ Open • 2017
Two additional daily cups of coffee: 35% HCC risk reduction (RR 0.65, 95% CI 0.59-0.72); caffeinated coffee: 27% reduction; decaffeinated: 14% reduction