Diagnostic accuracy parameters and interrater agreement for the presence of carotid bulb occlusiona
| Accuracy (%) | Sensitivity (%) | Specificity (%) | Interrater Agreement | |
|---|---|---|---|---|
| All raters (n = 10) | ||||
| 1st Session, CE-MRA alone | 69% (59%–79%) | 70% (33%–83%) | 68% (50%–92%) | 0.41 (0.27–0.55) |
| 2nd Session, additional delayed CE-MRA | 82% (73%–91%) | 87% (67%–100%) | 80% (65%–88%) | 0.56 (0.41–0.73) |
| Senior raters (n = 5) | ||||
| 1st Session, CE-MRA alone | 74% (69%–78%) | 67% (33%–83%) | 76% (65%–85%) | 0.47 (0.27–0.68) |
| 2nd Session, additional delayed CE-MRA | 84% (78%–87%) | 83% (67%–100%) | 84% (81%–88%) | 0.57 (0.40–0.76) |
| Junior raters (n = 5) | ||||
| 1st Session, CE-MRA alone | 63% (53%–87%) | 77% (67%–83%) | 60% (50%–92%) | 0.42 (0.27–0.60) |
| 2nd Session, additional delayed CE-MRA | 79% (72%–87%) | 90% (67%–100%) | 77% (65%–92%) | 0.51 (0.33–0.70) |
↵a Values are presented as percentage or κ value (95% confidence interval).