Table 3.
Descriptive statistics of the difference between the two graders for structural imaging parameters used to monitor retinitis pigmentosa progression
| Difference | Absolute value of difference between two raters | |||||
|---|---|---|---|---|---|---|
| Number of images | Mean (sd) | Mean (sd) | Median (IQR) | 95th percentile | ICC | |
| Horizontal diameter (μm) | 66 | 31.3 (167) | 131 (106) | 113 (49, 181) | 344 | 0.993 |
| Vertical diameter (μm) | 66 | −9.8 (160) | 118 (107) | 92.5 (43, 161) | 329 | 0.996 |
| Area (mm2) | 66 | −0.02 (0.9) | 0.56 (0.7) | 0.31 (0.09, 0.72) | 2.2 | 0.997 |
| EZ line width (μm) | 66 | −7.9 (96) | 77 (57) | 66.5 (29, 116) | 176 | 0.997 |