Table 3.

Pre- and postoperative use of IOP-lowering medications and pain scores in the two groups

	Group	Preoperative	Post.1d	Post.1w	Post. 1 m	Post. 3 m	Post. 6 m	P a
Medications	UCP group	3.05 ± 1.63	2.43 ± 2.06	1.18 ± 1.20	0.75 ± 1.06	0.78 ± 1.12	0.50 ± 0.68	< 0.05a
	AGV group	3.33 ± 1.47	0.60 ± 0.93	0.58 ± 0.75	0.40 ± 0.63	0.50 ± 0.82	0.80 ± 1.34	< 0.05a
	P	0.61	< 0.01	0.03	0.27	0.34	0.97
Pain scores	UCP group	6.80 ± 1.88	1.78 ± 1.12	0.43 ± 0.68	0.23 ± 0.53	0.30 ± 0.46	0.13 ± 0.46	< 0.05a
	AGV group	6.93 ± 2.22	4.68 ± 1.45	1.80 ± 1.45	0.45 ± 0.71	0.45 ± 0.71	0.43 ± 0.59	< 0.05a
	P	0.5	< 0.01	< 0.01	0.14	0.61	< 0.01

UCP = Ultrasoundcycloplasty; AGV = Ahmed glaucoma valve

^aP<0.05 compared with the same group before surgery