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Table 2 IOP, antiglaucoma medications, LogMAR and changes in BCVAa

From: Phacoemulsification after trabeculectomy in uveitis associated with Vogt-Koyanagi-Harada disease: intermediate-term visual outcome, IOP control and trabeculectomy survival

Variable Study Group
(N = 19)
Control group
(N = 19)
P-value
Baseline
 IOP, mmHg 14.05 (±4.3) 12.16 (±3.4) 0.14
 No. of medications 0.42 (±0.7) 0.46 (±0.5) 0.27
 LogMAR 0.74 (±0.6) 0.71 (±0.6) 0.90
 BCVA 20/40 or better 4 (21.1%) 4 (21.1%) 0.90
 BCVA worse than 20/40 15 (78.9%) 15 (78.9%)  
 No. of eyes 19 19  
3 Months postoperative
 IOP, mmHg 14.73 (±4.3) 12.46 (±8.9) 0.92
 (P-value)b (p = 0.18) (p = 0.31)  
 No. of medications 0.53 (±0.6) 0.63 (±1.0) 0.76
 (P-value)b (p = 0.30) (p = 0.11)  
 LogMAR 0.68 (±0.2) 0.84 (±1.0) 0.55
 (P-value)b (p = 0.29) (p = 0.70)  
 BCVA 20/40 or better 9 (47.4%) 5 (26.3%) 0.16
 BCVA worse than 20/40 10 (52.6%) 14 (73.7%)  
 No. of eyes 17 19  
12 Months postoperative
 IOP, mmHg 17.00 (±6.8) 13.00 (±6.1) 0.25
 (P-value)b (p = 0.36) (p = 0.27)  
 No. of medications 1.08 (±1.6) 0.62 (±0.9) 0.16
 (P-value)b (p = 0.02) (p = 0.21)  
 LogMAR 0.78 (±0.6) 0.85 (±0.8) 0.81
 (P-value)b (p = 0.42) (p = 0.32)  
 BCVA 20/40 or better 10 (52.6%) 5 (26.3%) 0.29
 BCVA worse than 20/40 9 (47.4%) 14 (73.7%)  
 No. of eyes 13 15  
24 Months postoperative
 IOP, mmHg 13.71 (±3.6) 12.00 (±5.8) 0.42
 (P-value)b (p = 0.35) (p = 0.91)  
 No. of medications 1.00 (±1.2) 0.52 (±0.7) 0.04
 (P-value)b (p = 0.04) (p = 0.54)  
 LogMAR 0.72 (±0.8) 0.77 (±0.9) 0.69
 (P-value)b (p = 0.39) (p = 0.40)  
 BCVA 20/40 or better 10 (52.6%) 6 (31.6%) 0.21
 BCVA worse than 20/40 9 (47.4%) 13 (68.4%)  
 No. of eyes 9 11  
36 Months postoperative
 IOP, mmHg 14.80 (±1.3) 13.50 (±7.5) 0.71
 (P-value)b (p = 0.88) (p = 0.75)  
 No. of medications 1.00 (±1.7) 0.50 (±0.8) 0.02
 (P-value)b (p = 0.03) (p = 0.74)  
 LogMAR 0.79 (±0.7) 0.81 (±0.8) 0.51
 (P-value)b (p = 0.47) (p = 0.29)  
 BCVA 20/40 or better 9 (47.4%) 6 (31.6%) 0.30
 BCVA worse than 20/40 10 (52.6%) 13 (68.4%)  
 No. of eyes 6 6  
Last visit
 IOP, mmHg 14.21 (±5.8) 12.61 (±6.1) 0.29
 (P-value)b (p = 0.92) (p = 0.91)  
 No. of medications 1.58 (±1.5) 0.53 (±1.0) 0.02
 (P-value)b (p = 0.02) (p = 0.17)  
 LogMAR 0.78 (±0.9) 0.92 (±1.0) 0.69
 (P-value)b (p = 0.84) (p = 0.59)  
 BCVA 20/40 or better 9 (47.4%) 7 (36.8%) 0.37
 BCVA worse than 20/40 10 (52.6%) 12 (63.2%)  
  1. aData are presented as mean (±SD)
  2. bCompared with baseline value in the group
  3. P-values are calculated using Student t-test, Mann-Whitney U test, Wilcoxon test and Chi-square test