Fig. 1From: Understanding the predictive value of continuous markers for censored survival data using a likelihood ratio approachSimulated log TD-LR surfaces (1a, 1b) and contour plots (1c, 1d). Simulated log TD-LR surfaces or contours for covariates with HRs of 2 (1a and 1c) and 1.5 (1b and 1d)Back to article page