Table 1.
Comparison of the Clinical Characteristics Between Pathological Myopic Eyes With and Without Structural Abnormalities
| LC Defect | Ridge | ICC | Prelaminar Schisis | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total | Positive | Negative | P Value | Positive | Negative | P Value | Positive | Negative | P Value | Positive | Negative | P Value | |
| Eyes | 108 | 51 (47.2%) | 57 (52.8%) | – | 36 (33.3%) | 72 (66.7%) | – | 23 (21.3%) | 85 (78.7%) | – | 33 (30.6%) | 75 (69.4%) | – |
| Age (years) | 58.7 ± 10.0 | 57.1 ± 10.4 | 60.1 ± 9.5 | 0.159† | 61.2 ± 9.2 | 57.5 ± 10.2 | 0.173† | 60.3 ± 7.1 | 58.3 ± 10.6 | 0.566† | 63.0 ± 8.4 | 56.8 ± 10.1 | 0.001† |
| Sex | 0.553‡ | 0.021‡ | 0.600‡ | 0.345‡ | |||||||||
| Female | 75 | 34 | 41 | 30 | 45 | 17 | 58 | 25 | 50 | ||||
| Male | 33 | 17 | 16 | 6 | 27 | 6 | 27 | 8 | 25 | ||||
| SE (D) | –16.5 ± 4.5 | –17.9 ± 4.4 | –15.1 ± 4.2 | 0.008* | –16.9 ± 4.1 | –16.4 ± 4.7 | 0.656* | –15.4 ± 3.5 | –16.8 ± 4.7 | 0.291* | –15.9 ± 3.4 | –16.8 ± 4.9 | 0.398* |
| AxL (mm) | 31.1 ± 2.4 | 31.4 ± 2.3 | 30.9 ± 2.5 | 0.279* | 32.4 ± 2.1 | 30.5 ± 2.3 | <0.001* | 30.2 ± 2.2 | 31.4 ± 2.4 | 0.016* | 30.2 ± 1.8 | 31.5 ± 2.5 | 0.001* |
| BCVA (logMAR units) | 0.3 ± 0.5 | 0.4 ± 0.5 | 0.2 ± 0.3 | 0.064† | 0.3 ± 0.5 | 0.3 ± 0.4 | 0.273† | 0.1 ± 0.3 | 0.3 ± 0.5 | 0.017† | 0.3 ± 0.6 | 0.2 ± 0.4 | 0.897† |
| IOP (mm Hg) | 14.6 ± 3.2 | 14.7 ± 3.8 | 14.5 ± 2.6 | 0.754* | 14.6 ± 3.4 | 14.5 ± 3.1 | 0.937* | 14.1 ± 3.4 | 14.7 ± 3.1 | 0.413* | 15.4 ± 3.3 | 14.2 ± 3.1 | 0.063* |
| Disc area (mm2) | 4.7 ± 2.2 | 5.5 ± 2.1 | 4.1 ± 2.1 | 0.001* | 5.2 ± 1.9 | 4.5 ± 2.3 | 0.068* | 4.0 ± 1.8 | 4.9 ± 2.2 | 0.065* | 4.2 ± 1.6 | 4.9 ± 2.4 | 0.072* |
| V/H disc ratio | 1.6 ± 0.4 | 1.4 ± 0.4 | 1.7 ± 0.4 | <0.001* | 1.7 ± 0.4 | 1.5 ± 0.4 | 0.010* | 1.6 ± 0.4 | 1.6 ± 0.4 | 0.723* | 1.5 ± 0.4 | 1.6 ± 0.4 | 0.442* |
| Myopic maculopathy | 0.934‡ | 0.005‡ | 0.325‡ | 0.624‡ | |||||||||
| PDCA | 19 | 8 | 11 | 0 | 19 | 5 | 14 | 6 | 13 | ||||
| MDCA | 48 | 24 | 24 | 18 | 30 | 12 | 36 | 17 | 31 | ||||
| C3 | 25 | 12 | 13 | 12 | 13 | 5 | 20 | 7 | 18 | ||||
| C4 | 16 | 7 | 9 | 6 | 10 | 1 | 15 | 3 | 13 | ||||
| Staphyloma (+) | 64 (59.3%) | 30 (27.8%) | 34 (31.5%) | 0.931‡ | 34 (31.5%) | 30 (27.8%) | <0.001‡ | 11 (10.2%) | 53 (49.1%) | 0.208‡ | 19 (17.6%) | 45 (41.7%) | 0.813‡ |
| Staphyloma (–) | 44 (40.7%) | 21 (19.4%) | 23 (21.3%) | 2 (1.9%) | 42 (38.9%) | 12 (11.1%) | 32 (29.6%) | 14 (13.0%) | 30 (27.8%) | ||||
*
Student t test.
†
Mann–Whitney U test.
‡
χ2 tests.
SE, spherical equivalence; AxL, axial length; BCVA, best-corrected visual acuity; V/H disc ratio, the ratio between the vertical and horizontal disc diameter; PDCA, peripapillary diffuse choroidal atrophy; MDCA, macular diffuse choroidal atrophy; C3, patchy chorioretinal atrophy; C4, macular chorioretinal atrophy.