Table 8 Comparison between group A and group B regarding Pittsburgh sleep questionnaire after 1 week postoperative

Subjective sleep quality

1.61 ± 0.47

1.20 ± 0.35

3.129

0.003*

Sleep latency

2.23 ± 0.65

0.86 ± 0.25

8.798

< 0.001**

Sleep duration

1.86 ± 0.54

0.76 ± 0.22

8.437

< 0.001**

Habitual sleep efficiency

1.77 ± 0.52

1.36 ± 0.40

2.795

0.008*

Sleep disturbances

1.71 ± 0.50

1.39 ± 0.41

2.213

0.033*

Use of sleep medications

1.68 ± 0.49

0.76 ± 0.22

7.660

< 0.001**

Daytime dysfunction

0.95 ± 0.28

1.48 ± 0.43

4.619

< 0.001**