PLOD1 and polycystic ovary syndrome: In the univariable logistic regression analysis performed in the entire cohort, several parameters were significantly associated with the presence of PCOS, including HOMA-IR (OR: 1.863, 95% CI: 1.247–2.783, p = 0.002), LH/FSH ratio (OR: 16.258, p < 0.001), total testosterone (OR: 1.076, p < 0.001), CLU (OR: 1.807, 95% CI: 1.371–2.380, p < 0.001), and AMH (OR: 1.561, 95% CI: 1.268–1.922, p < 0.001).