Table 4.
Coefficient of variation and intraclass correlation coefficient for blood flow values, number of sample, ARBS, and wave form parameters in the optical nerve head.
| Average | COV | ICC | |
|---|---|---|---|
| Sample-A | 39,466 ± 7,547 (37,343–41,589) | 0.3 ± 0.9 | 1.00 |
| Sample-V | 15,034 ± 3,692 (13,996–16,072) | 9.7 ± 8.4 | 0.71 |
| Sample-T | 24,203 ± 6,087 (22,491–25,915) | 9.0 ± 18.0 | 0.83 |
| MBR-A | 24.2 ± 3.8 (23.2–25.3) | 5.9 ± 3.5 | 0.82 |
| MBR-V | 46.0 ± 5.8 (44.3–47.6) | 6.3 ± 3.9 | 0.71 |
| MBR-T | 10.9 ± 1.8 (10.4–11.4) | 6.7 ± 5.6 | 0.79 |
| ARBS | 37.8 ± 6.7 (35.9–39.7) | 8.4 ± 5.5 | 0.71 |
| FLuctuation | 11.1 ± 2.4 (10.4–11.8) | 9.1 ± 5.6 | 0.71 |
| Skew | 8.0 ± 1.5 (7.6–8.5) | 20.5 ± 18.5 | 0.23 |
| BOS | 80.6 ± 3.7 (79.5–81.6) | 2.6 ± 1.7 | 0.67 |
| BOT | 62.6 ± 3.4 (61.7–63.6) | 6.1 ± 3.8 | 0.16 |
| Rising rate | 13.4 ± 1.5 (12.9–138) | 11.0 ± 8.7 | 0.27 |
| Falling rate | 11.0 ± 0.8 (10.8–11.2) | 11.3 ± 11.3 | 0.07 |
| FAI | 3.5 ± 0.9 (3.2–2.7) | 16.7 ± 11.9 | 0.52 |
| ATI | 31.6 ± 5.4 (30.1–33.1) | 16.0 ± 11.5 | 0.32 |
| RI | 0.30 ± 0.32 (0.28–0.32) | 9.8 ± 6.2 | 0.65 |
The data are presented as mean ± standard deviation (95% confidence interval). COV, coefficient of variation; ICC, intraclass correlation coefficient; MBR-A, mean of all values; MBR-V, vessel mean; MBR-T, tissue mean; Sample-A, mean of all sample sizes; Sample-V, vessel mean; Sample-T, tissue mean; ARBS, area ratio of the blood stream; BOS, blowout score; BOT, blowout time; FAI, flow acceleration index; ATI, acceleration time index; RI, resistivity index.