Aneurysm detection: diagnostic performance of CT angiography on a per-aneurysm basis
| Reader | Sensitivity, % (n/N) | Specificity, % (n/N) | Positive Predictive Value, % (n/N) | Negative Predictive Value, % (n/N) |
|---|---|---|---|---|
| Reader 1 | 92.5 (62/67) | 100 (6/6) | 100 (62/62) | 54.5 (6/11) |
| Reader 2 | 94 (63/67) | 100 (6/6) | 100 (63/63) | 60 (6/10) |
| Reader 3 | 94 (63/67) | 85.7 (6/7) | 98.4 (63/64) | 60 (6/10) |
| Reader 4 | 95.5 (64/67) | 75 (6/8) | 97 (64/66) | 66.7 (6/9) |
Note:—Numbers in parentheses indicate numbers of aneurysms.