Cohorts | Cut-off value, ADC - R(650)a | FP | FN | TP | TN | Sensitivity (95% CI) | Specificity (95% CI) | PPV (95% CI) | NPV (95% CI) |
---|---|---|---|---|---|---|---|---|---|
Derivation | > 10% | 53 | 11 | 127 | 33 | 92.0 (86.2─96.0) | 39.5 (29.2─50.7) | 70.9 (67.2─74.5) | 75.6 (62.3─85.2) |
> 20.5% | 0 | 33 | 107 | 85 | 76.8 (68.9─83.6) | 100 (95.8─100.0) | 100 | 72.9 (66.5─78.5) | |
Internal validation | > 10% | 16 | 5 | 63 | 12 | 92.7 (83.7─97.6) | 46.4 (27.5─66.1) | 80.8 (74.7─85.6) | 72.2 (50.6─86.9) |
> 20.5% | 0 | 19 | 49 | 28 | 66.2 (53.4─77.4) | 100 (88.8─100.0) | 100 | 58.5 (50.1─66.4) | |
External validation | > 10% | 44 | 4 | 59 | 21 | 93.7 (84.5─98.2) | 33.9 (22.6─46.6) | 57.8 (53.5─62.3) | 84.6 (66.8─93.8) |
> 20.5% | 1 | 12 | 51 | 64 | 79.4 (67.3─88.5) | 98.5 (91.7─100.0) | 98.0 (97.7─99.7) | 83.1 (75.2─88.9) |