Table 1:
Descriptive Statistics: Categorical and Ordinal Variables
| Variable | value | All Patients | Gender | Compare Groups | |||||
|---|---|---|---|---|---|---|---|---|---|
| Male | Female | ||||||||
| Categorical Variables [n, (%)] | n = 192 | 62 (32.3%) | 130 (67.7%) | test | p - value | ||||
| Gender | Male | 62 (32.3%) | |||||||
| Female | 130 (67.7%) | ||||||||
| Eye | OS | 95 (49.5%) | 30 (48.4%) | 65 (50%) | chi | 0.834 | |||
| OD | 97 (50.5%) | 32 (51.6%) | 65 (50%) | ||||||
| Refraction group | myopia: RE < −0.5 | 56 (29.2%) | 19 (30.7%) | 37 (28.5%) | chi | 0.312 | |||
| hyperopia: RE > +0.5 | 79 (41.2%) | 29 (46.8%) | 50 (38.5%) | ||||||
| RE −0.5 to +0.5 | 57 (29.7%) | 14 (22.6%) | 43 (33.1%) | ||||||
| Guttae Severity | Missing | 3 (1.6%) | JT | 0.413 | |||||
| 0.5 | 14 (7.3%) | 8 (13.1%) | 6 (4.7%) | ||||||
| (Eyes with missing data NOT included in statistical test) | 1 | 27 (14.1%) | 5 (8.2%) | 22 (17.2%) | |||||
| 1.5 | 18 (9.4%) | 5 (8.2%) | 13 (10.2%) | ||||||
| 2 | 37 (19.3%) | 13 (21.3%) | 24 (18.8%) | ||||||
| 2.5 | 30 (15.6%) | 6 (9.8%) | 24 (18.8%) | ||||||
| 3 | 22 (11.5%) | 12 (19.7%) | 10 (7.8%) | ||||||
| 3.5 | 20 (10.4%) | 3 (4.9%) | 17 (13.3%) | ||||||
| 4 | 21 (10.9%) | 9 (14.8%) | 12 (9.4%) | ||||||
| Cataract Grade | 0 | 58 (30.2%) | 18 (29%) | 40 (30.8%) | JT | 0.259 | |||
| 0.5 | 4 (2.1%) | 0 (0%) | 4 (3.1%) | ||||||
| 1 | 11 (5.7%) | 4 (6.5%) | 7 (5.4%) | ||||||
| 1.5 | 18 (9.4%) | 3 (4.8%) | 15 (11.5%) | ||||||
| 2 | 70 (36.5%) | 25 (40.3%) | 45 (34.6%) | ||||||
| 2.5 | 18 (9.4%) | 5 (8.1%) | 13 (10%) | ||||||
| 3 | 11 (5.7%) | 5 (8.1%) | 6 (4.6%) | ||||||
| 4 | 2 (1%) | 2 (3.2%) | 0 (0%) | ||||||
| Corneal Edema | 0 | 156 (81.3%) | 45 (72.6%) | 111 (85.4%) | JT | 0.024 | * | ||
| 0.5 | 12 (6.3%) | 4 (6.5%) | 8 (6.2%) | ||||||
| 1 | 14 (7.3%) | 7 (11.3%) | 7 (5.4%) | ||||||
| 1.5 | 1 (0.5%) | 1 (1.6%) | 0 (0%) | ||||||
| 2 | 6 (3.1%) | 3 (4.8%) | 3 (2.3%) | ||||||
| 2.5 | 2 (1%) | 1 (1.6%) | 1 (0.8%) | ||||||
| 3 | 1 (0.5%) | 1 (1.6%) | 0 (0%) | ||||||
*
p < 0.05,
**
p < 0.01,
***
p < 0.001.
% = percent; chi = chi-square test; JT = Jonckheere-Terpstra test; n = number; OD = right eye; OS = left eye; RE = refractive error;