Comparison of ExPress Mini-Device Implantation Alone or Combined with Phacoemulsification for the Treatment of Open-Angle Glaucoma

Table 3

Amount of hypotensive drugs: mean values, median values, standard deviations, and range in the phaco-ExPress (P-ExPress) and ExPress alone (ExPress) groups at specific times after surgery.

Time	P-ExPress group		ExPress group
	Mean	Median	Mean	Median
Pre-op	3.3 ± 0.8	3.0	2.9 ± 0.9	3.0	0.079
7th day	0.1 ± 0.3	0.0	0.1 ± 0.3	0.0	0.968
1st month	0.1 ± 0.4	0.0	0.2 ± 0.5	0.0	0.535
3rd month	0.4 ± 0.7	0.0	0.3 ± 0.6	0.0	0.585
6th month	1.4 ± 1.2	2.0	0.5 ± 1.0	0.0	0.003
9th month	1.4 ± 1.0	2.0	1.0 ± 1.6	0.0	0.177
12th month	1.3 ± 1.7	0.0	0.9 ± 1.65	1.0	0.419

Mann-Whitney test.