Reproducibilty of the flow histogram
| Coefficient of variation of repeated measures | ||
|---|---|---|
| Aspect of histogram | Sample average (SD) | (% of mean) |
| Avascular zone (% of pixels) | 15.3 (4.5) | 22.9 |
| Flow in specific pixels | ||
| 25th percentile | 90 (46) | 49.1 |
| 50th percentile | 272 (55) | 16.9 |
| 75th percentile | 510 (98) | 14.3 |
| 90th percentile | 784 (142) | 15.4 |
| 95th percentile | 991 (187) | 16.8 |
| 99th percentile | 1532 (380) | 21.5 |
| 100th percentile | 3031 (1073) | 25.3 |
| Mean flow | 357 (85) | 16.3 |
↵Indicates significantly greater coefficient of variation (p <0.05) than measured at 75th percentile pixel.