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Table 2 Intraocular pressure, visual fields, glaucoma medication a

From: Pre-operative intraocular pressure does not influence outcome of trabeculectomy surgery: a retrospective cohort study

Baseline  
IOP (mmHg) 21.6 ± 6.3
Visual fields MD/dB −9.3 ± 5.8
Glaucoma medications 2.5 ± 1.0
N (with IOP) 80
3 months  
IOP (mmHg) 11.6 ± 4.0
Visual fields MD/dB −9.0 ± 8.0
Glaucoma medications 0.2 ± 0.8
N (with IOP) 79
6 months  
IOP (mmHg) 11.9 ± 4.2
Visual fields MD/dB −9.2 ± 5.9
Glaucoma medications 0.3 ± 0.8
N (with IOP) 79
1 year  
IOP (mmHg) 11.8 ± 3.5
Visual fields MD/dB −9.7 ± 6.7
Glaucoma medications 0.3 ± 0.9
N (with IOP) 80
2 years  
IOP (mmHg) 12.4 ± 3.8
Visual fields MD/dB −10.6 ± 6.8
Glaucoma medications 0.5 ± 1.0
N (with IOP) 74
3 years  
IOP (mmHg) 12.3 ± 3.9
Visual fields MD/dB −11.1 ± 7.0
Glaucoma medications 0.5 ± 1.0
N (with IOP) 53
  1. aData are presented as mean ± standard deviation.
  2. POAG = primary open-angle glaucoma; NTG = normal tension glaucoma; the minimal angle of resolution; MD = mean deviation; N = number of patients.