Table 5.
Absolute Difference between RNFL Measurements of the Two Systems, with and without Scan Location Matching
| Sector | Difference without Matching (A) | Difference with Matching (B) | A − B | P |
|---|---|---|---|---|
| Global mean | 10.1 (7.0–13.2) | 9.1 (6.1–12.2) | 1.0 | 0.02 |
| Quadrant | ||||
| Superior | 16.6 (13.0–20.3) | 10.3 (7.1–13.6) | 6.3 | <0.01 |
| Nasal | 23.2 (19.3–27.1) | 15.6 (12.2–19.0) | 7.6 | <0.01 |
| Inferior | 20.0 (15.3–24.8) | 13.9 (9.5–18.2) | 6.2 | <0.01 |
| Clock hour | ||||
| 1 | 15.1 (9.8–20.3) | 11.1 (6.0–16.2) | 4.0 | <0.01 |
| 2 | 25.6 (21.6–29.7) | 16.9 (13.5–20.4) | 8.7 | <0.01 |
| 3 | 16.6 (13.1–20.1) | 11.9 (8.7–15.1) | 4.7 | <0.01 |
| 4 | 24.4 (18.8–29.9) | 17.6 (12.4–22.7) | 6.8 | <0.01 |
| 5 | 28.8 (23.1–34.5) | 18.9 (14.4–23.4) | 9.9 | <0.01 |
| 6 | 30.3 (25.1–35.6) | 17.6 (13.3–21.9) | 12.7 | <0.01 |
| 7 | 19.0 (15.3–22.6) | 11.9 (8.8–15.0) | 7.1 | <0.01 |
| 11 | 19.4 (16.1–22.7) | 11.9 (9.1–14.7) | 7.5 | <0.01 |
Data are expressed in micrometers (95% CI). Temporal quadrant and clock hours 8, 9, 10, and 12 were analyzed separately (Table 6).