TABLE 1.
KAPPA STATISTICS FOR INTEROBSERVER AGREEMENT FOR THE RETINAL HEMORRHAGE TOOL
| CATEGORY | KAPPA (95% CI) | |||
|---|---|---|---|---|
| ZONE A | ZONE B | ZONE C | ZONE D | |
| Number of hemorrhages | 0.540 (0.459, 0.622) | 0.375 (0.309, 0.441) | 0.595 (0.534, 0.655) | 0.593 (0.317, 0.868) |
| Retinoschisis | 0.581 (0.440, 0.721) | 0.539 (0.396, 0.683) | 0.761 (0.658, 0.863) | 0.690 (0.420, 0.959) |
| Superficial intraretinal hemorrhages | 0.495 (0.344, 0.646) | 0.167 (0.026, 0.307) | 0.761 (0.658, 0.863) | 0.690 (0.420, 0.959) |
| Deeper intraretinal hemorrhages | 0.495 (0.344, 0.646) | 0.377 (0.179, 0.575) | 0.761 (0.658, 0.863) | 0.690 (0.420, 0.959) |
| Pre-retinal/subhyaloid hemorrhage | 0.610 (0.521, 0.699) | 0.595 (0.504, 0.686) | 0.663 (0.588, 0.739) | 0.628 (0.352, 0.904) |
| Vitreous hemorrhage | 0.481 (0.273, 0.688) | 0.276 (−0.01, 0.563) | 0.746 (0.640, 0.852) | 0.690 (0.420, 0.959) |
| Subretinal hemorrhage | 0.570 (0.337, 0.803) | 0.309 (0.041, 0.578) | 0.740 (0.635, 0.845) | 0.681 (0.411, 0.951) |
CI, confidence interval.