Overall comparative diagnostic performance of CTA-MMBE*
| Sensitivity | Specificity | PPV | NPV | |
|---|---|---|---|---|
| Per patient | ||||
| Observer A | 0.94 (83/88) | 0.95 (19/20) | 0.99 (83/84) | 0.79 (19/24) |
| 95% CI | 0.87–0.98 | 0.75–1.00 | 0.93–1.00 | 0.59–0.91 |
| Observer B | 0.99 (87/88) | 0.90 (18/20) | 0.98 (87/89) | 0.95 (18/19) |
| 95% CI | 0.93–1.00 | 0.69–0.98 | 0.92–1.00 | 0.74–1.00 |
| Consensus | 0.99 (87/88) | 0.90 (18/20) | 0.98 (87/89) | 0.95 (18/19) |
| 95% CI | 0.93–1.00 | 0.69–0.98 | 0.92–1.00 | 0.74–1.00 |
| Per location | ||||
| Observer A | 0.87 (102/117) | 1.00 (2070/2071) | 0.99 (102/103) | 0.99 (2070/2085) |
| 95% CI | 0.80–0.92 | 1.00–1.00 | 0.94–1.00 | 0.99–1.00 |
| Observer B | 0.88 (103/117) | 1.00 (2066/2071) | 0.95 (103/108) | 0.99 (2066/2080) |
| 95% CI | 0.81–0.93 | 0.99–1.00 | 0.89–0.98 | 0.99–1.00 |
| Consensus | 0.91 (106/117) | 1.00 (2068/2071) | 0.97 (106/109) | 0.99 (2068/2079) |
| 95% CI | 0.84–0.95 | 1.00–1.00 | 0.92–0.99 | 0.99–1.00 |
* Numbers between parentheses are aneurysms or locations. With DSA, 117 aneurysms were detected in 88 patients on 2188 predefined observed locations.