Table 3.
Biochemical Test or Clinical Marker | Area under the ROC curve | 95% Confidence Interval | Inflection Point of Greatest Sensitivity and Specificity (sensitivity, specificity) |
---|---|---|---|
Testosterone | 0.689 | 0.686–0.923 | 73.4 (0.632, 0.750) |
1/SHBG | 0.917 | 0.852–0.983 | 1.2 (0.864, 0.854) |
FAI | 0.887 | 0.867–0.991 | 6.0 (0.842, 0.778) |
Δ 4A | 0.743 | 0.602–0.884 | 339 (0.667, 0.805) |
LH | 0.763 | 0.630–0.896 | 6.2 (0.727, 0.707) |
LH: FSH Ratio | 0.748 | 0.610–0.887 | 1.2 (0.818, 0.293) |
1/GIR | 0.776 | 0.639–0.913 | 5.3 (0.818, 0.690) |
Clitoral Index | 0.782 | 0.659–0.905 | 24.5 (0.714, 0.707) |
Age at Menarche | 0.583 | 0.425–0.741 | 11.5 (0.545, 0.548) |
Waist Circumference | 0.897 | 0.815–0.979 | 75.25 (0.864, 0.857) |
Waist Circumference* | 0.824 | 0.717–0.931 | 77.75 (0.786, 0.714) |
BMI* | 0.839 | 0.739–0.939 | 27.0 (0.786, 0.730) |
ROC curves were generated using redefined physical exam criteria with overweight and acanthosis nigricans removed from prospective physical exam criteria.