LEP and polycystic ovary syndrome: Obese PCOS patients had significantly higher leptin (24.5 ± 6.2 vs. 14.2 ± 5.8 ng/mL, p<0.001) and lower adiponectin (5.2 ± 1.4 vs. 7.8 ± 1.9 μg/mL, p=0.002) than non-obese counterparts.