Ahmed Glaucoma Valve Implantation for Refractory Glaucoma in a Tertiary Hospital in Brazil
Table 5
Univariate and multivariate analysis to evaluate risk factors following Ahmed Glaucoma Valve surgery.
Risk factors
Univariate
Multivariate
Parameters
OR
value
OR
95% CI
value
Age (y)
≥60 years
0.98
0.087
0.78
0.28–2.12
0.631
<60 years
Gender
Male
1.3
0.504
1.21
0.46–3.21
0.693
Female
Race
White
5.27
0.001
5.51
2.32–19.06
0.001
African American
Previous glaucoma surgery
Yes
1.01
0.997
1.74
0.44–6.79
0.423
No
Type of glaucoma
Primary open angle
0.46
0.068
0.99
0.26–4.91
0.989
Neovascular glaucoma
1.43
0.444
3.18
0.59–16.80
0.229
Uveitic
7.56
0.075
6.86
0.90–11.10
0.060
Traumatic
1.78
0.489
NA
NA
NA
Congenital
0.33
0.319
NA
NA
NA
Primary angle closure
1.73
0.587
NA
NA
NA
Penetrating keratoplasty
0.41
0.443
NA
NA
NA
Early hypertensive phase
Yes
5.15
<0.001
4.88
1.74–11.60
0.002
No
Type of implant
Ahmed S2
0.55
0.141
0.54
0.20–1.46
0.229
Ahmed FP7
IOP: intraocular pressure, OR: odds ratio, CI: confidence interval, and NA: not applicable. S2: polypropylene; FP7: silicone. All analyses were performed using generalized estimating equation.