From: Androstenedione response to recombinant human FSH is the most valid predictor of the number of selected follicles in polycystic ovarian syndrome: (a case-control study)
Area Under Curve ± SEM [5-95p]
Optimum Threshold
Sensitivity (%)
Specificity (%)
A4 percentage increase
0.73 ± 0.07 [0.6-0.87]
88.7%
75
72
Maximum A4
0.78 ± 0.19 [0.66-0.9]
3.1 ng/mL
74
A4 (AUC)
0.78 ± 0.06 [0.67-0.9]
5.4 ng*day
70