Groups Comparison

LS Means Diff.

LS SE

95% CI

p-value

1 vs 4

13.05

1.08

10.23

15.87

<0.0001*

Groups

LS Mean

1a

15.62

2a

14.03

3b

4.32

4b

2.57

2 vs 4

11.46

1.06

8.68

14.24

<0.0001*

1 vs 3

11.30

0.99

8.70

13.90

<0.0001*

2 vs 3

9.71

0.98

7.15

12.27

<0.0001*

3 vs 4

1.75

1.10

−1.12

4.62

0.3849

1 vs 2

1.59

0.96

−0.91

4.09

0.3494