GSTP1 and posterior cortical atrophy: By ethnicity, we did not acquire remarkable enhanced risks of PCa with GSTP1 A131G polymorphism either in Caucasians (OR = 1.0944, 95% CI = 0.9483–1.2629, P = 0.2173, I2 = 70.19%) or in Asians (OR = 1.1924, 95% CI = 0.7953–1.7879, P = 0.3945, I2 = 75.57%).