Diagnostic Performance by Imaging Time
| Parameter | Early | Delayed |
|---|---|---|
| Sensitivity (%) | 75.4 | 71.1 |
| (178/236) | (162/228) | |
| Specificity (%) | 82.7 | 87.1 |
| (291/352) | (303/348) | |
| PPV (%) | 74.5 | 78.3 |
| (178/239) | (162/207) | |
| NPV (%) | 83.4 | 82.1 |
| (291/349) | (303/369) | |
| Accuracy (%) | 79.8 | 80.7 |
| (469/588) | (465/576) |
PPV = positive predictive value; NPV = negative predictive value.