Long-Term Outcomes of Primary Trabeculectomy in Diabetic Patients without Retinopathy with Primary Angle-Closure Glaucoma

Table 3

Mean deviation on visual field in patients at follow-up (dB).

Postoperative follow-ups	DM group (n)	Control group (n)
1 year	−12.1 ± 9.5 (57)	−11.4 ± 9.4 (56)	0.695
2 years	−13.7 ± 9.9 (47)	−12.8 ± 9.5 (57)	0.638
3 years	−14.4 ± 9.7 (41)	−13.1 ± 10.0 (48)	0.537
4 years	−14.8 ± 9.6 (40)	−14.5 ± 9.7 (44)	0.887
5 years	−15.2 ± 10.2 (37)	−14.9 ± 9.8 (41)	0.895