Perfusion Scan Results According to Patient Age*
| Index | Modified PIOPED II | PISAPED |
|---|---|---|
| Age < 50 y | ||
| Sensitivity | 79.1% (87/110) | 83.3% (110/132) |
| 95% CI | 70.5%−85.6% | 76.0%−88.7% |
| Specificity | 94.7% (573/605) | 97.0% (685/706) |
| 95% CI | 92.6%−96.2% | 95.5%−98.0% |
| Age ≥ 50 y | ||
| Sensitivity | 89.3% (133/149) | 78.6% (162/206) |
| 95% CI | 83.2%−93.2% | 72.5%−83.7% |
| Specificity | 90.5% (496/548) | 96.2% (706/734) |
| 95% CI | (87.8%−92.7%) | (94.5%−97.3%) |
↵* Pooled data for 2 readers.