CBVI (n=67) Staged BVI (n=66) p-value*
Age (yrs),     0.75
mean(sd) 67.7 (17.4) 68.6 (17.5)  
median(range) 72 (10-92) 73.5 (8-92)  
Gender     0.54
Male 32 (47.8%) 35 (53.0%)  
Female 35 (52.2%) 31 (47.0%)  
Race     0.09
Asian 13 (19.4%) 18 (27.3%)  
Black 5 (7.5%) 7 (10.6%)  
Hispanic 13 (19.4%) 21 (31.8%)  
White 31 (46.3%) 16 (24.2%)  
Other 5 (7.5%) 4 (6.1%)  
Glaucoma diagnosis     1.00
Angle closure 6 (9.0%) 7 (10.6%)  
Open angle 52 (77.6%) 50 (75.7%)  
Uveitic 3 (4.5%) 3 (4.6%)  
Neovascular 3 (4.5%) 3 (4.6%)  
JOAG/Congenital 3 (45.%) 3 (4.6%)  
Lens status     0.39
Aphakic 3 (4.5%) 7 (10.6%)  
Phakic 20 (29.9%) 20 (30.3%)  
Pseudophakic 44 (65.7%) 39 (59.1%)  
Previous surgeries      
Cataract extraction 48 (71.6%) 43 (65.2%) 0.42
Trabeculectomy 24 (35.8%) 24 (36.4%) 0.95
Needling 2 (3.0%) 1 (1.5%) 1.00
Trabectome 2 (3.0%) 0 0.50
Tube 5 (7.5%) 6 (9.1%) 0.73
Glaucoma laser 6 (9.0%) 9 (13.6%) 0.39
Penetrating keratoplasty 10 (14.9%) 10 (15.2%) 0.97
DSEK 1 (1.5%) 0 1.00
Peripheral iridotomy/iridectomy 13 (19.4%) 25 (37.9%) 0.02
Number of previous surgeries, median (range) 2 (0-5) 2 (0-10) 0.28
*Independent samples t-test and Wilcoxon Rank sum tests for continuous variables, Chi-Square and Fisher’s Exact tests for categorical variables. CBVI : Complete BVI; SBVI: Staged (two-stage) BVI
Table 1: Demographics.