Table 13.
Inter-grader agreement (left eye)
| Variable | Number with data for comparison | Frequency of feature (grader 1) | Observed agreement between graders (%) |
|---|---|---|---|
| Macular CNP | 248 | 266/268 | 74.9 |
| Peripheral CNP | 264 | 263/278 | 80.40 |
| Punctate focal leak | 273 | 77/281 | 89.10 |
| Disc leak | 278 | 237/283 | 82.73 |
| Post capillary venule leak | 273 | 115/275 | 84.25 |
| Large venule leak | 279 | 88/280 | 71.92 |
| Large focal leaka | 285 | 34/285 | 95.95 |
| Capillary IVFD | 212 | 62/220 | 59.91 |
| Post-capillary venule unit IVFD | 231 | 212/237 | 75.32 |
| Pre-capillary arteriole unit IVFD | 235 | 52/243 | 67.23 |
| Small venule IVFD | 265 | 240/267 | 84.91 |
| Small arteriole IVFD | 263 | 55/267 | 57.79 |
| Large venule IVFD | 265 | 167/268 | 69.43 |
| Large arteriole IVFD | 264 | 32/268 | 59.47 |
CNP capillary non-perfusion, IVFD intravascular filling defects
aLarge focal leak is a count variable with skewed distribution. Agreement estimated for categories “absent”, “1 site of leak”, “>1 site of leak”