Outcomes of Anterior Chamber, Sulcus, and Pars Plana Glaucoma Drainage Device Placement in Glaucoma Patients
Table 5
Visual acuity outcomes dataa.
Visual acuity (LogMAR)
value
AC
S
PP
All groups
AC ∼ S
S ∼ PP
AC ∼ PP
Preoperative
N
40
40
40
Mean (SD)
0.35 (0.32)
0.29 (0.31)
0.89 (0.86)
<0.001
0.164
<0.001
<0.001
1 day
N
40
40
39
Mean (SD)
0.83 (0.74)
1.14 (0.91)
1.35 (0.79)
0.003
0.055
0.031
<0.001
Decrease from baseline (SD)
−0.48 (0.55)
−0.69 (1.06)
−0.45 (0.84)
0.798
value compared to baseline
<0.001
<0.001
0.010
2 weeks
N
38
37
39
Mean (SD)
0.60 (0.78)
0.52 (0.45)
1.05 (0.81)
<0.001
0.324
<0.001
<0.001
Decrease from baseline (SD)
−0.26 (0.67)
−0.11 (0.57)
−0.20 (0.85)
0.923
value compared to baseline
0.009
<0.001
0.147
6 weeks
N
38
39
38
Mean (SD)
0.46 (0.43)
0.29 (0.23)
0.83 (0.66)
<0.001
0.041
<0.001
0.002
Decrease from baseline (SD)
−0.08 (0.37)
−0.01 (0.32)
0.11 (0.66)
0.526
value compared to baseline
0.269
0.586
0.933
3 months
N
32
34
35
Mean (SD)
0.47 (0.56)
0.27 (0.21)
0.79 (0.73)
<0.001
0.036
<0.001
0.009
Decrease from baseline (SD)
−0.03 (0.31)
0.02 (0.31)
0.13 (0.73)
0.595
value compared to baseline
0.524
0.792
0.501
6 months
N
36
33
31
Mean (SD)
0.47 (0.67)
0.25 (0.23)
0.90 (0.73)
<0.001
0.051
<0.001
<0.001
Decrease from baseline (SD)
−0.03 (0.42)
−0.02 (0.34)
0.16 (0.89)
0.515
value compared to baseline
0.980
0.595
0.408
1 year
N
34
29
24
Mean (SD)
0.37 (0.54)
0.25 (0.21)
0.86 (0.75)
<0.001
0.297
<0.001
<0.001
Decrease from baseline (SD)
0.00 (0.46)
0.03 (0.32)
0.14 (0.94)
0.832
value compared to baseline
0.531
0.457
0.825
1.5 years
N
27
15
12
Mean (SD)
0.48 (0.60)
0.37 (0.29)
0.70 (0.86)
0.713
Decrease from baseline (SD)
−0.04 (0.27)
−0.07 (0.19)
0.47 (0.97)
0.135
value compared to baseline
0.365
0.126
0.155
2 years
N
12
7
7
Mean (SD)
0.57 (0.86)
0.50 (0.24)
0.68 (0.62)
0.525
Decrease from baseline (SD)
−0.11 (0.25)
−0.06 (0.18)
0.39 (1.28)
0.962
value compared to baseline
0.086
0.529
0.787
aPreoperative and postoperative visual acuity outcomes data were analyzed using Kruskal-Wallis tests. Pairwise comparisons were conducted following significant Kruskal-Wallis test results using Dunn’s test. LogMAR = logarithm of minimum angle of resolution; AC = anterior chamber; S = sulcus; PP = pars plana; N = Number of eyes; SD = standard deviation.
