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

Table 2

Intraocular pressure (IOP) mean values, median values, standard deviations, and range in the phaco-ExPress (P-ExPress) and ExPress (ExPress) groups at specific times after surgery.

Time	P-ExPress			ExPress
	Mean (SD)	Median	Range	Mean (SD)	Median	Range
Pre-op	26.4 ± 9.3	25.00	20–30	27.0 ± 10.9	24.00	19–30	0.877
1st day	17.2 ± 9.0	16.00	11–21	15.3 ± 6.3	15.00	12–18	0.411
7th day	16.1 ± 7.6	14.00	11–21	15.2 ± 6.0	15.00	10–19	0.869
1st month	17.8 ± 11.8	16.00	13–20	15.4 ± 4.1	16.00	13–18	0.582
3rd month	15.0 ± 4.1	16.00	13–17	15.7 ± 2.6	16.00	14–18	0.427
6th month	15.0 ± 3.5	15.50	12–28	15.3 ± 2.9	16.00	14–17	0.733
9th month	15.4 ± 5.6	16.00	11–18	15.5 ± 3.2	17.00	16–18	0.249
12th month	18.8 ± 4.8	18.50	15–22	18.1 ± 5.9	18.00	16–18	0.814

Student’s -test.