The association between CDCP1 and ischaemic heart disease remained after further adjusting for BMI, batch effects, and family relatedness using mixed-effect Cox regression (Hazard Ratio [95% Confidence Interval]: 1.82 [1.17, 2.85], p = 0.008, Fig. 3D and Supplementary Table 4). Here, CDCP1 is linked to heart disorder.