Prospective Randomized Study Comparing Combined Phaco-ExPress and Phacotrabeculectomy in Open Angle Glaucoma Treatment: 12-Month Follow-Up

Table 3

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

Time	P-ExPress			P-Trab
	Mean (SD)	Median	Range	Mean (SD)	Median	Range
Pre-op	2.91 ± 0.9	3.0	2–4	3.26 ± 0.8	3.0	3-4	0.079
1st day	0.1 ± 0.5	0	—	0.2 ± 0.6	0	—	0.540
7th day	0.06 ± 0.3	0	—	0.06 ± 0.3	0	—	0.968
1st month	0.15 ± 0.5	0	—	0.07 ± 0.4	0	—	0.535
3rd month	0.27 ± 0.6	0	—	0.37 ± 0.7	0	—	0.585
6th month	0.46 ± 1	0	—	1.39 ± 1.23	2	0–2	0.003
9th month	1 ± 1.6	0	0–2.25	1.35 ± 1	2	0–2	0.177
12th month	1.25 ± 1.65	0	0–2.75	1.2 ± 1.3	1	0–2	0.919

Pre-op: preoperatively. Mann-Whitney test.