In the subgroup analyses stratified by the characteristics of subjects and the types of studies, the significant association between the rs17240441 polymorphism and higher levels of APOB (SMD = 0.11, 95% CI = 0.03–0.18, P < 0.01) was detected only in the CHD patients, but not in the healthy/control subjects. The gene discussed is APOB; the disease is coronary artery disorder.