Sensitivity and specificity for different cutoffs for relaxation values to predict enhancing MS lesions
| Relaxation Value | Sensitivity (%) | Specificity (%) | Youden Indexa |
|---|---|---|---|
| R1 measurement | |||
| 1.28 | 47 | 95 | 42 |
| 1.17 | 58 | 90 | 48 |
| 1.10 | 60 | 82 | 42 |
| R2 measurement | |||
| 10 | 51 | 93 | 44 |
| 9.34 | 63 | 87 | 50 |
| 8.70 | 65 | 78 | 43 |
| PD measurement | |||
| 77.69 | 54 | 92 | 46 |
| 79.96 | 61 | 87 | 48 |
| 82.53 | 63 | 82 | 45 |
↵a Youden index = sensitivity + specificity − 100.