Table 3 Results from the ROC analysis for the diagnosis of PCOS based on different BMIs
BMI Groups | AUC | P value | The optimal cut-off value of AMH (ng/ml) | Sensitivity (%) | Specificity (%) |
|---|---|---|---|---|---|
BMI < 18.5 (n = 89) | 0.931 | < 0.001 | 5.145 | 84.3 | 89.1 |
18.5 ≤ BMI < 24 (n = 1079) | 0.915 | < 0.001 | 4.345 | 83.5 | 84.2 |
24 ≤ BMI < 28 (n = 904) | 0.901 | < 0.001 | 4.115 | 81.0 | 84.2 |
BMI ≥ 28 (n = 415) | 0.885 | < 0.001 | 3.165 | 88.7 | 74.6 |
Total population (n = 2487) | 0.899 | < 0.001 | 4.405 | 78.7 | 85.6 |