Fig. 5From: Time-varying effect of postoperative cholesterol profile on long-term outcomes of isolated coronary artery bypass graft surgeryComparison of long-term MACCE for patients above and below the suggested cut-off point for LDL/HDL ratio (2.25) before (A) and after adjustment (B) for confounding factors. The Proportional Hazards (PH) assumption was not rejected in the final model (PH test P-value = 0.477)Back to article page