Comparison of ExPress Implantation and Partial Deep Sclerectomy Combined with ExPress Implantation and Simultaneous Phacoemulsification
Table 2
Intraocular pressure (IOP): mean values, median values, standard deviations, and range in the ExPress and DS-ExPress groups at specific times after surgery.
Time
ExPress
DS-ExPress
Mean ± SD
Median
Range
Mean ± SD
Median
Range
Pre-op
17.6 ± 4.7
16.50
10–28
16.3 ± 4.4
16.00
8–30
0.152
1st day
7.9 ± 3.8
6.50
4–18
8.6 ± 3.4
9.00
4–17
0.154
7th day
8.6 ± 3.2
9.50
4–16
9.3 ± 5.1
8.50
4–38
0.910
1st month
14.5 ± 4.4
13.50
10–30
13.1 ± 3.8
13.00
8–30
0.029
3rd month
14.0 ± 2.9
14.00
10–23
13.1 ± 3.7
12.00
6–30
0.049
6th month
14.6 ± 3.1
14.00
10–26
13.7 ± 3.0
13.00
10–21
0.061
9th month
15.2 ± 2.9
14.50
11–26
13.5 ± 3.2
13.00
9–28
0.001
12th month
15.4 ± 3.6
15.00
10–25
14.1 ± 2.4
14.00
10–20
0.122
18th month
14.8 ± 2.5
14.00
10–21
14.0 ± 2.6
14.00
8–20
0.59
24th month
16.0 ± 3.0
16.00
10–22
14.3 ± 3.3
13.50
9–23
0.023
ExPress: Ex-Press device implantation group; DS-ExPress: Mermoud’s ExPress modification group; SD: standard deviation; pre-op: before operation. Mann–Whitney’s U test.
