PLOD1 and polycystic ovary syndrome: Patients with PCOS had a higher LH/FSH ratio and testosterone than control patients LH/FSH ratio (6.8 ± 0.6 vs 3.5 ± 0.5, P<0.001) and testosterone (1.9 ± 0.2 nmol//L vs 0.9 ± 0.1 nmol//L, P<0.001).