Selective laser trabeculoplasty as adjunctive treatment for open-angle glaucoma vs following incisional glaucoma surgery in Chinese eyes

Table 4 Number of glaucoma medications used in patients undergoing selective laser trabeculoplasty

Number of medications	Baseline	1 d	1 wk	1 mo	3 mo	6 mo	12 mo	36 mo
OAG	3.39 ± 0.69	3.31 ± 0.82	2.75 ± 0.5	2.06 ± 0.79	2.19 ± 0.71	2.39 ± 0.64	2.34 ± 0.64	2.5 ± 0.69
P1 value		0.083	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001
PGS	2.97 ± 0.74	2.85 ± 0.67	2.51 ± 0.56	1.33 ± 1.28	1.44 ± 1.23	1.77 ± 0.99	1.79 ± 1.02	1.9 ± 0.82
P1 value		0.025	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001
P2 value	0.015	0.005	0.048	0.004	0.003	0.006	0.008	0.007

OAG: Open angle glaucoma; PGS: Prior glaucoma surgery. P1: Wilcoxon signed rank test, difference of medication quantity between selective laser trabeculoplasty treatment and baseline group at different time points. P2: Mann-Whitney test, Comparison within groups, difference of medication quantity between open angle glaucoma and prior glaucoma surgery group at different time points.