Table 1.
Baseline characteristics of the participants.
| Characteristic | Weiss ring ( +) group | Weiss ring ( −) group | p value |
|---|---|---|---|
| Number of eyes | 36 | 35 | |
| Age (mean ± SD, y) | 69.50 ± 6.94 | 70.23 ± 9.57 | 0.714* |
| Sex (male/female) | 22/14 | 22/13 | 0.537† |
| Laterality (right/left eye) | 19/17 | 18/17 | 0.549† |
| Diabetes mellitus (n [%]) | 9 (25.0%) | 7 (20.0%) | 0.413† |
| Hypertension (n [%]) | 13 (36.1%) | 14 (40%) | 0.463† |
| BCVA (mean ± SD, logMAR) | 0.04 ± 0.11 | 0.09 ± 0.18 | 0.160* |
| Spherical equivalent (mean ± SD, diopters) | 0.19 ± 1.62 | − 0.20 ± 1.77 | 0.301* |
| Intraocular pressure (mean ± SD, mmHg) | 15.69 ± 2.55 | 14.49 ± 2.76 | 0.060* |
| Axial length (mean ± SD, mm) | 23.58 ± 1.07 | 23.49 ± 1.07 | 0.757* |
| Interval between visits (mean ± SD, months) | 5.34 ± 4.18 | 6.18 ± 3.72 | 0.376* |
*Comparison between groups 1 and 2 using the independent t-test.
†Comparison between groups 1 and 2 using the chi-square test.
SD standard deviation, BCVA best-corrected visual acuity, logMAR logarithm of the minimum angle of resolution.