Figure 1

Sensitivity, specificity, positive predictive values and negative predicted values for a biochemical diagnosis of PCOS based on an anti-Müllerian hormone (AMH) measurement (greater or less than 35 pmol/l) with, calculated free androgen index (FAI, greater or less than 4); serum testosterone (greater or less than 2 nmol/l); salivary testosterone (salT, greater or less than 19 pmol/l); serum androstenedione (greater or less than 6 nmol/l); salivary androstenedione (greater or less than 250 pmol/l). Participants with polycystic ovary syndrome (n = 105) and normal controls (n = 65).