Fig. 2From: Joint model robustness compared with the time-varying covariate Cox model to evaluate the association between a longitudinal marker and a time-to-event endpointa Mean biomarker trajectory for the different scenarios: linearly decreasing (scenarios 2-6 and 9) and quadratic shape with slight (scenario 7) and gross (scenario 8) misspecifications with respect to the linear trend. b Baseline hazard function for the scenarios 1-8 (Weibull) and 9 (non-monotonic shape)Back to article page