Table 4. Sensitivity, specifcity, positive predictive value and negative predictive value for diferent cutoffs of the TWIST score for diagnosis of testicular torsion
| TWIST Cut-off | Sensitivity | Specifcity | cPPV1 | NPV2 |
| 4 | 100% | 69.2% | 50% | 100% |
| 5 | 93.7% | 98.1% | 93.7% | 98.1% |
| 6 | 68.7% | 100% | 100% | 91.2% |
Positive predictive value
Negative predictive value