CP and coronary artery disorder: Yang et al. [15] reported that the incidence of CHD was 8.2 per 1000 live births in 2000s in China, thus, compared to the general Chinese population, the risk of CHD was about 24 times (20%/0.82%) in CP, 20 times (20%/0.82%) in CLP, 16 times (13.6%/0.82%) in OCs and 4 times (3.1%/0.82%) in CL.