Table 3. Changes of IOP and anti-glaucoma medications during follow-up periods.

Parameters	Preoperative	Postoperative
		1mo	P	6mo	P	1y	P	3y	P	5y	P
IOP (mm Hg)	37.2±6.8	12.1±1.3	<0.001	15.2±2.2	<0.001	16.4±4.1	<0.001	19.3+4.1	<0.001	19.2±5.2	<0.001
Glaucoma medication	2.64±0.59	1.81±0.59	0.02	1.46±0.44	0.03	1.9±0.65	0.02	1.74±0.51	0.02	1.81±0.4	0.04

IOP: Intraocular pressure. P: Wilcoxon rank-sum test, significance <0.0.5.

mean±SD