Table 1.
Demographic characteristics among four study groups with different ocular disorders (n = 126).
| Refractive Error (n = 28) |
Keratoconus (n = 20) |
Cataract (n = 61) |
AMD (n = 17) |
p-Value | |
|---|---|---|---|---|---|
| Age (years) | <0.0001 1 | ||||
| 20–39 | 16 (57.1%) | 16 (80.0%) | 0 | 0 | |
| 40–59 | 11 (39.3%) | 2 (10.0%) | 14 (23.0%) | 2 (11.8%) | |
| ≥60 | 1 (3.6%) | 2 (10.0%) | 47 (77.0%) | 15 (88.2%) | |
| Mean ± SD | 38.2 ± 12.8 A | 37.9 ± 13.1 A | 68.3 ± 10.6 B | 70.0 ± 8.8 B | <0.0001 2 |
| Sex | 0.4936 3 | ||||
| Male | 14 (50.0%) | 12 (60.0%) | 28 (45.9%) | 6 (35.3%) | |
| Female | 14 (50.0%) | 8 (40.0%) | 33 (54.1%) | 11 (64.7%) | |
| Visual acuity (corrected) (logMAR/decimal unit) | |||||
| Better eye | 0.02 ± 0.04/0.95 ± 0.4 A | 0.10 ± 0.20/0.79 ± 2.0 AC | 0.25 ± 0.24/0.56 ± 2.4 C | 0.60 ± 0.49/0.25 ± 4.9 B | |
| Worse eye | 0.09 ± 0.12/0.82 ± 1.2 A | 0.34 ± 0.49/0.46 ± 4.9 AC | 0.43 ± 0.35/0.37 ± 3.5 C | 0.91 ± 0.63/0.12 ± 6.3 B | |
1 Chi-square test for trend; 2 ANOVA; 3 Chi-square test; A, B, C Multiple comparisons: Different letters represent a significant difference between groups, and the same letters represent no difference between groups. AMD: age-related macular degeneration.