κ for agreement of the original blinded interpretation of the study NR versus the unblinded ASPECTS designation of the 3-person panel
| Comparison | κ (CI) |
|---|---|
| Study NR versus | |
| ASPECTS < 10 | 0.25 (0.08–0.43) |
| ASPECTS < 9 | 0.41 (0.21–0.60) |
| ASPECTS < 8 | 0.44 (0.24–0.65) |
| ASPECTS < 7 | 0.51 (0.32–0.70) |
Note:—NR indicates neuroradiologist; CI, confidence interval; ASPECTS, Alberta Stroke Program Early CT Score.