TREML1 and polycystic ovary syndrome: The logistic regression model equation is Logit (p=PCOS) = 0.036*[HIST1H4A]-0.024*[TREML1]-16.368, where (p=PCOS) is the probability of PCOS based on this model, [TREML1] and [HIST1H4A] are the serum concentrations of TREML1 and HIST1H4A in ng/dL respectively.