Sensitivity and interrater agreement in the consensus rating: blinded and unblinded data sets
| CT | DW Imaging | |||
|---|---|---|---|---|
| Sensitivity (%) | κ Value | Sensitivity (%) | κ Value | |
| Blinded Data Set | ||||
| Any EIS | 73 (58–85) | 0.57 (0.51–0.62) | 93 (82–99) | 0.85 (0.78–0.91) |
| EIS by region | ||||
| Frontal | 52 (34–69) | 0.30 (0.23–0.37) | 79 (61–91) | 0.61 (0.53–0.68) |
| Parietal | 38 (19–59) | 0.40 (0.33–0.47) | 75 (53–90) | 0.56 (0.49–0.63) |
| Temporal | 45 (26–64) | 0.42 (0.35–0.49) | 62 (42–79) | 0.58 (0.51–0.66) |
| Basal ganglia | 67 (47–87) | 0.31 (0.24–0.38) | 86 (64–97) | 0.80 (0.73–0.86) |
| Insular ribbon | 67 (43–85) | 0.38 (0.31–0.45) | 85 (68–95) | 0.72 (0.65–0.79) |
| Any EIS > one-third of MCA | 57 (29–82) | 0.40 (0.33–0.47) | 57 (29–82) | 0.68 (0.61–0.75) |
| Unblinded Data Set | ||||
| Any EIS | 76 (60–87) | 0.67 (0.61–0.72) | 96 (85–99) | 0.88 (0.82–0.95) |
| Any EIS > one-third of MCA | 57 (29–82) | 0.53 (0.46–0.61) | 57 (29–82) | 0.68 (0.61–0.75) |
Note.—Numbers in parentheses are 95% CIs.