Table 1.
Demographic and ocular characteristics of pre-existing glaucoma in central retinal vein occlusion (CRVO)
| Non-glaucoma | Pre-existing glaucoma | p value † | |
|---|---|---|---|
| Case number | 261 | 60 | |
| Gender (female:male) | 102: 159 | 25: 35 | 0.712 |
| Age (mean±SD) | 57.3±17.5 | 67.2±14.9 | <0.001 |
| Systemic disease | |||
| DM | 71 (27.2%) | 14 (23.3%) | 0.540 |
| HTN | 131 (50.2%) | 29 (48.3%) | 0.795 |
| CRVO onset (months) (mean±SD) | 1.6±3.8 | 1.7±3.6 | 0.832 |
| Perfusion status | 0.464 | ||
| Non-ischemic | 157 (60.2%) | 33 (55%) | |
| Ischemic | 104 (39.8%) | 27 (45% ) | |
| C/D ratio (mean±SD) | 0.42±0.09 | 0.72±0.16 | <0.001 |
| IOP at presentation (mmHg) (mean±SD) | 13.9±4.8 | 21.7±9.2 | <0.001 |
| BCVA (logMAR) (mean±SD) | 1.46±0.85 | 1.69±0.84 | 0.053 |
| PRP during follow up | 107 (41%) | 22 (36.7%) | 0.537 |
| NVG during follow up | 53 (20.3%) | 19(31.7%) | 0.057 |
Abbreviations: BCVA best-corrected visual acuity, C/D cup-to-disc, DM diabetes mellitus, HTN hypertension, IOP intraocular pressure, log MAR logarithm of the minimal angle of resolution, and SD standard deviation.
† p values were calculated using the chi-square test and 2-sample t-test for categorical and continuous variables, respectively.