Interobserver agreement for MRI reading
| Cerebral Lesion | κ Coefficient (95% CI) |
|---|---|
| Acute ischemic lesion | 0.89 (0.74–0.90) |
| CMBs | |
| Located in cortical areas | 0.91 (0.82–0.99) |
| Located in subcortical areas | 0.70 (0.42 to 0.98) |
| ≤5 mm | 0.92 (0.84–0.99) |
| >5 mm | 0.79 (0.56–1.00) |
| No. of CMBs (none, 1–3, >3)a | 0.94 (0.89–0.99) |
| Parenchymal hemorrhage and SAH | 0.72 (0.41–1.00) |
| Old ischemic lesions | 0.84 (0.56–1.00) |
| Leukoaraiosis score | 0.83 (0.75–0.91) |
Note:—CI indicates confidence interval.
↵a Weighted κ coefficient of 0.94 (95% CI, 0.89–0.99) after categorization of the number of CMBs into 3 groups (none, 1–3, >3).