Table 6 Differences in sleep quality component and PSQI score between preoperative and postoperative phases.

From: Changes in pain, quality of life, sleep, and mental health after uncomplicated spinal neurosurgery in palestine: a prospective study of patient-reported outcomes

Component

Preoperative

Postoperative

Mean dif.

tb

p-value

Mean

SDa

Mean

SD

Subjective sleep quality

1.925

0.752

0.687

0.618

1.239

17.594

< 0.001

Sleep latency

2.687

0.554

1.873

0.896

0.814

16.309

< 0.001

Sleep duration

1.388

1.501

1.522

1.505

-0.134

-0.749

0.455

Sleep efficiency

1.403

1.034

0.358

0.481

1.045

10.769

< 0.001

Sleep disturbance

2.552

0.499

1.716

0.452

0.836

18.497

< 0.001

Use of sleep medication

1.664

0.822

0.858

0.727

0.806

12.597

< 0.001

Daytime dysfunction

1.903

0.533

0.851

0.569

1.052

18.345

< 0.001

Global PSQIc score

13.522

1.995

7.866

1.969

5.657

26.830

< 0.001

  1. aSD = Standard deviation, bt = paired t-test values, cPSQI = Pittsburg Sleep Quality Index.
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