Main characteristics of these studies included in this meta-analysis (Genotype and allele distributions of rejections and hypertension).

HB: Hospital-based Study; SC: source of controls; HWE: Hardy Weinberg Equilibrium; CR: Chronic rejection; AR: Acute rejection episodes. Case group: patients occurred acute rejection or chronic rejection or hypertension; Control group: not occurred acute rejection or chronic rejection or hypertension. * term Brazilian represented Brazilian population. Main characteristics of these studies included in this meta-analysis (Genotype and allele distributions of rejections and hypertension).