APOA1 and coronary artery disorder: Stratifying for CAD, we found that apoB/apoA‐I ratio was associated with a higher risk in patients without concomitant CAD (HR, 1.20; 95% CI, 1.02–1.40 [P=0.025]), compared with participants with CAD (HR, 1.02; 95% CI, 0.91–1.14 [P=0.78]).