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Table 1 Demographic and ocular characteristics of pre-existing glaucoma in central retinal vein occlusion (CRVO)

From: Neovascular glaucoma after central retinal vein occlusion in pre-existing glaucoma

  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
  1. 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.
  2. p values were calculated using the chi-square test and 2-sample t-test for categorical and continuous variables, respectively.