Group C

(30)

Group T (30)

Group P

(30)

Group E

(30)

Test

p-value

Total morphine

14.83 ± 2.78

11.17 ± 3.64a

7.50 ± 3.41ab

7.17 ± 3.40ab

F test = 35.24

0.001**

Satisfied

15 (50.0)

23 (76.7)

24 (80.0)

26 (86.7)

X2 = 11.93

0.008**

Can’t answer

4 (13.3)

5 (16.7)

4 (13.3)

3 (10.0)

FET = 0.68

0.98

Dissatisfied

11 (36.7)

2 (6.7)

2 (6.7)

1 (3.3)

FET = 15.17

0.001**