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Cut-off values for urinary gonadotropins to differentiate CPP from PT
| Cut-off value | Sensitivity | Specificity | |
|---|---|---|---|
| Urine LH (IU/L) | ≥0.78 | 100% | 85.7% |
| ≥1.07 | 100% | 100% | |
| ≥1.93 | 92.9% | 100% | |
| Urine FSH (IU/L) | ≥5.63 | 100% | 28.6% |
| ≥29.39 | 14.3% | 49.2% | |
| ≥52.0 | 14.3% | 85.7% |
