From: Risk factors for exposure of Baerveldt glaucoma drainage implants: a case-control study
Characteristics | Exposure eyes (n = 12) | Control eyes (n = 68) | P value * |
---|---|---|---|
Age (years) | 0.93 | ||
Mean ± SD | 57.4 ± 19.8 | 56.8 ± 24.5 | |
Follow-up period (months) | 0.94 | ||
Mean ± SD | 26.2 ± 17.6 | 26.6 ± 14.5 | |
Sex | 1.00 | ||
Male | 7 | 38 | |
Female | 5 | 30 | |
Eye | 0.35 | ||
Right | 9 | 40 | |
Left | 3 | 28 | |
Diabetes mellitus | 0.32 | ||
Yes | 6 | 22 | |
No | 6 | 46 | |
Type of glaucoma | 0.51 | ||
Primary open angle | 0 | 7 | |
Neovascular | 6 | 20 | |
Secondary | 5 | 28 | |
Pediatric | 1 | 12 | |
Chronic angle closure | 0 | 1 | |
Previous ocular surgery | 1.00 | ||
Yes | 12 | 63 | |
No | 0 | 5 | |
History of ≥3 previous TLE, no. of eyes | 0.46 | ||
Yes | 4 | 15 | |
No | 8 | 53 | |
Type of implant | 0.099 | ||
BG 101-350/ BG 103-250 | 8 | 59 | |
BG 102-350 | 4 | 9 | |
Implant location | 0.84 | ||
Superior-temporal | 3 | 21 | |
Inferior-temporal | 9 | 44 | |
Superior-nasal | 0 | 1 | |
Inferior-nasal | 0 | 2 | |
Implant location | 0.74 | ||
Superior | 3 | 22 | |
Inferior | 9 | 46 | |
Tube entry site | 0.50 | ||
Anterior chamber | 3 | 24 | |
Posterior chamber | 5 | 32 | |
Vitreous | 4 | 12 | |
Type of patch graft | 0.095 | ||
Self-sclera flap | 9 | 63 | |
Human donor sclera | 3 | 5 |