Paired Difference

T

df

p-value

Mean

SD

Excellent (Score 100) n = 22

−77.5

35.5

−10.23

21

0.000*

Good (Score 75 - 99) n = 19

−84.7

6.10

−60.5

18

0.000*

Fair (score 50 - 75) n = 4

65.2

8.38

−15.5

3

0.001*

Poor (score < 50)

N = 5

−18.3

19.5

−2.095

4

0.104