Fig. 4From: Evaluating screening approaches for hepatocellular carcinoma in a cohort of HCV related cirrhosis patients from the Veteran’s Affairs Health Care SystemComparison of first positive screen time between methods in the validation cohort within 2 years of clinical diagnosis (C1 in Fig. 2). AFP+Lab+ ΔAFP: updated laboratory-based algorithm, PEB: parametric empirical Bayes algorithm applied to AFPBack to article page