Sensitivity and specificity of the brain imaging coverage to assess PCT penumbra / (infarct + penumbra) ratio >50% compared with 80-mm z-axis coverage
| Coverage (mm) | Sensitivity (%) | Specificity (%) |
|---|---|---|
| 5 | 87 | 85 |
| 10 | 87 | 85 |
| 15 | 87 | 85 |
| 20 | 87 | 90 |
| 25 | 90 | 85 |
| 30 | 94 | 90 |
| 35 | 94 | 90 |
| 40 | 90 | 95 |
| 45 | 94 | 90 |
| 50 | 94 | 95 |
| 55 | 94 | 95 |
| 60 | 97 | 100 |
| 65 | 94 | 95 |
| 70 | 97 | 100 |
| 75 | 100 | 100 |
| 80 (criterion standard) | 100 | 100 |