SHBG and polycystic ovary syndrome: In subgroup analyses by ethnicity, no significant association between the SHBG rs6529 polymorphisms and the risk of PCOS susceptibility was found in the Asian (p = 0.794, OR = 0.98, 95%CI 0.81–1.18) and Caucasian (p = 0.704, OR = 1.01, 95%CI 0.97–1.05) population.