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Table 3 Number of antiglaucoma eye drops during the follow-up period

From: Comparison of surgical outcomes between initial trabeculectomy and Ex-PRESS in terms of achieving an intraocular pressure below 15 and 18 mmHg: a retrospective comparative study

Number of eye drops

N

Trabeculectomy

N

Ex-PRESS

P value

Presurgical

64

3.1 ± 0.9

54

3.3 ± 1.0

0.187

1 W

64

54

2 W

64

54

1 M

64

54

2 M

64

54

3 M

64

0.0 ± 0.1

54

0.0 ± 0.0

0.358

6 M

63

0.0 ± 0.3

54

0.0 ± 0.4

0.790

9 M

62

0.1 ± 0.6

53

0.1 ± 0.6

0.830

12 M

64

0.1 ± 0.6

52

0.1 ± 0.5

0.738

15 M

63

0.2 ± 0.7

52

0.1 ± 0.7

0.487

18 M

63

0.2 ± 0.8

51

0.1 ± 0.6

0.548

21 M

62

0.2 ± 0.8

49

0.3 ± 0.9

1.000

24 M

62

0.2 ± 0.9

48

0.4 ± 1.0

0.410

27 M

57

0.3 ± 0.9

48

0.5 ± 1.1

0.351

30 M

36

0.2 ± 0.8

45

0.4 ± 1.0

0.567

33 M

24

0.6 ± 1.3

37

0.5 ± 1.2

0.584

36 M

9

0.5 ± 1.0

19

0.4 ± 0.9

0.760

Final visit

64

0.2 ± 0.8

54

0.4 ± 1.1

0.351

  1. All values were calculated using the Mann-Whitney U test. W = week; M = month