The analysis revealed that testosterone displayed a significant positive association with both BMI-adjusted PCOS (95% Confidence Interval (CI): 1.1158 to 1.7089, p = 0.003) and Keratin 19 (KRT19) (95% CI: 1.0273 to 1.1716, p = 0.0057). Here, KRT19 is linked to polycystic ovary syndrome.