Table 4 Reduction of mean intraocular pressure at each time point after surgery in EXG

KDB alone

IOP (mmHg)

Number of med. ± SD

Mean change from baseline ± SD

P value*

Mean ± SD

(Ratio of mean change)

Baseline

26.00 ± 7.25

4.86 ± 4.45

Reference

Day 1

16.91 ± 8.35

0

9.09 ± 10.67 (-35.0)

 < 0.001

Week 1

20.74 ± 9.51

0.93 ± 1.28

5.26 ± 12.68 (-20.2)

0.01

Month 1

21.91 ± 7.89

1.98 ± 1.18

4.19 ± 9.86 (-16.1)

0.008

Month 3

18.44 ± 5.01

2.70 ± 1.15

7.56 ± 9.12 (-29.1)

 < 0.001

Month 6

19.31 ± 8.09

2.74 ± 1.27

6.34 ± 9.82 (-24.4)

 < 0.001

KDB combined with phaco

IOP (mmHg)

Number of med. ± SD

Mean change from baseline ± SD

P value*

Mean ± SD

(Ratio of mean change)

Baseline

23.64 ± 7.08

3.55 ± 1.48

Reference

Day 1

17.73 ± 6.21

0

5.91 ± 10.05 (-25.0)

0.002

Week 1

21.42 ± 7.65

1.22 ± 1.18

2.22 ± 9.70 (-9.39)

0.198

Month 1

16.33 ± 4.48

1.78 ± 1.21

7.31 ± 6.45 (-30.9)

 < 0.001

Month 3

14.30 ± 3.64

1.78 ± 1.31

9.34 ± 8.19 (-39.5)

 < 0.001

Month 6

14.07 ± 3.54

1.50 ± 1.33

10.17 ± 7.74 (-43.0)

 < 0.001