Better IOP reduction group

Preop

2 - 4 M

9 - 14 M

15 - 20 M

IOP

N

39

38

39

39

Mean (mmHg)

19.90

15.13

14.72

15.03

SD

3.64

2.61

1.85

1.65

p-value compared to preop

--

<0.001

<0.001

<0.001

Reduce medication group (compliance and tolerance issues)

Preop

2 - 4 M

9 - 14 M

15 - 20 M

Reducing Medication

N

17

15

17

17

Mean (mmHg)

2.73

2.73

2.65

2.59

SD

1.03

1.10

1.12

1.00

p-value compared to preop

--

1.000

0.651

0.508