Laser Peripheral Iridotomy versus Trabeculectomy as an Initial Treatment for Primary Angle-Closure Glaucoma

Table 1

Demographics.

Characteristics	Group 1	Group 2	value	value
Age	65.9 ± 7.9	62.3 ± 7.1	2.63	0.009
Baseline BCVA (LogMAR)	0.5 ± 0.5	0.5 ± 0.6	−0.033	0.974
Baseline IOP	34.3 ± 14.3	45.7 ± 14.8	−4.119	0.000
Baseline VCDR	0.7 ± 0.2	0.8 ± 0.1	−2.004	0.051
Baseline PAS	9.0 ± 2.2	10.4 ± 1.9	−3.892	0.000
Baseline MD	−17.3 ± 11.9	−19.2 ± 10.7	0.927	0.356

LPI = laser peripheral iridotomy; BCVA = best-corrected visual acuity; LogMAR = logarithm of minimum angle of resolution; IOP = intraocular pressure; VCDR = vertical cup/disc ratio; PAS = peripheral anterior synechiae; MD = mean deviation.