ANGPTL2 and polycystic ovary syndrome: Additional analyses of the ROC curve of miR-124-3p or/and ANGPTL2 revealed the area under the curve (AUC) of miR-124-3p in serum for the diagnosis of obese PCOS was 0.6481, the cutoff value was 1.100, the specificity was 75.00%, and the sensitivity was 92.86%.