Characteristics of the SELE gene A561C polymorphism genotype distributions in studies included in this meta-analysis.

CHD: coronary heart disease, CAD: coronary artery disease, MI: myocardial infarction, AP: angina pectoris, AMI: acute myocardial infarction.ACS: acute coronary syndrome, N: total number of subjects in each study, F: the C allele frequency in control, Na: not available. * PaP for Hardy–Weinberg equilibrium in the control group.bOnly the median age of cases and controls was available from the original article.c/dOne study with different populations.eACS mainly included unstable angina pectoris, myocardial infarction, coronary death in the original article.