Fig. 1
From: Time-dependent ROC curve analysis in medical research: current methods and applications
a Illustration for cases and controls of C/D, I/D and I/S (baseline) definitions. C/D: A, B and E are cases and C, D and F are controls; I/D: Only A is the case and C, D and F are controls; I/S: Only A is the case and D and F are controls. b Illustration for cases and controls of I/S (longitudinal) definitions. Only A is the case and D and F are the controls