Table 2.
Subgroup Analysis of Retinal Sensitivity and Microstructural Changes on OCT for Eyes With Category 3 Myopic Maculopathy or for Testing Points Designated as Zone 3
| Category 3 | Zone 3 | |||||||
|---|---|---|---|---|---|---|---|---|
| Zone 1 (158 Points) | Zone 2 (219 Points) | Zone 3 (668 Points) | P | Category 1 (501 Points) | Category 2 (1164 Points) | Category 3 (668 Points) | P | |
| Retinal sensitivity (dB), mean ± SD | 2.6 ± 5.2 | 15.7 ± 6.8 | 19.6 ± 4.3 | <0.001* | 22.0 ± 3.5 | 20.1 ± 4.7 | 19.6 ± 4.3 | <0.001* |
| RPE, n (%) | <0.001† | 0.001† | ||||||
| Intact | 12 (7.6) | 188 (85.8) | 653 (97.8) | 501 (100) | 1156 (99.3) | 653 (97.8) | ||
| Disrupted | 24 (15.2) | 23 (10.5) | 13 (1.9) | 0 (0) | 8 (0.7) | 13 (1.9) | ||
| Absent | 122 (77.2) | 8 (3.7) | 2 (0.3) | 0 (0) | 0 (0) | 2 (0.3) | ||
| EZ, n (%) | <0.001† | <0.001† | ||||||
| Intact | 5 (3.2) | 98 (44.7) | 495 (74.1) | 460 (91.8) | 1050 (90.2) | 495 (74.1) | ||
| Disrupted | 9 (5.7) | 66 (30.1) | 118 (17.7) | 31 (6.2) | 92 (7.9) | 118 (17.7) | ||
| Absent | 144 (91.1) | 55 (25.1) | 55 (8.2) | 10 (2.0) | 22 (1.9) | 55 (8.2) | ||
| ELM, n (%) | <0.001† | <0.001† | ||||||
| Intact | 14 (8.9) | 109 (49.8) | 479 (71.7) | 421 (84.0) | 1016 (87.3) | 479 (71.7) | ||
| Absent | 144 (91.1) | 110 (50.2) | 189 (28.3) | 80 (16.0) | 148 (12.7) | 189 (28.3) | ||
| Outer retinoschisis, n (%) | 0.689† | <0.001† | ||||||
| Retinoschitic change (−) | 145 (91.8) | 204 (93.2) | 626 (93.7) | 501 (100) | 1071 (92.0) | 626 (93.7) | ||
| Retinoschitic change (+) | 13 (8.2) | 15 (6.8) | 42 (6.3) | 0 (0) | 93 (8.0) | 42 (6.3) | ||
*
One-way ANOVA.
†
χ2 test.