Group

Number of cases

30 minutes before anesthesia

1 h after surgery

4 h after surgery

12 h after surgery

24 h after surgery

Control Group

90

16.18 ± 1.33

14.53 ± 1.15

12.42 ± 1.08

10.39 ± 1.31

7.06 ± 1.53

Observation Group

90

15.79 ± 1.36

11.62 ± 1.38

9.17 ± 1.26

7.11 ± 1.35

6.79 ± 1.60

t

0.073

5.18

7.34

7.14

4.88

P

0.69

0.03

0.038

0.04

0.69