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Cut-off values for urinary gonadotropins to differentiate pubertal from prepubertal controls
| Cut-off value | Sensitivity | Specificity | |
|---|---|---|---|
| Urine LH (IU/L) | ≥0.32 | 100% | 86.7% |
| ≥0.55 | 95% | 93.3% | |
| ≥1.00 | 85% | 100% | |
| Urine FSH (IU/L) | ≥0.95 | 100% | 33.3% |
| ≥1.37 | 95% | 46.7% | |
| ≥2.30 | 90% | 60% |
