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Table 3 Sleep parameters among poor sleep quality COPD patients with different grades of severity

From: Sleep quality in stable chronic obstructive pulmonary disease patients in Zagazig University Hospitals, Egypt

Sleep parameters

Poor sleep quality COPD patients (nā€‰=ā€‰40)

Mild (Nā€‰=ā€‰4 )

Moderate (Nā€‰=ā€‰18)

Severe (Nā€‰=ā€‰14 )

Very severe (Nā€‰=ā€‰4)

Test of significancea

Total sleep time (min) (mean Ā± SD)

287.2 Ā± 18.8

274.8 Ā± 14.9

263.7 Ā± 32.3

246.0 Ā± 39.2

F = 2.31

Pā€‰=ā€‰0.09

Sleep latency (min) (mean Ā± SD)

9.2 Ā± 2.9

10.1 Ā± 6.8

10.5 Ā± 5.3

27 Ā± 4.9

F = 11.01

Pā€‰=ā€‰0.009

Sleep efficiency (%) (mean Ā± SD)

73 Ā± 1.6

65 Ā± 3.8

56 Ā± 2.3

53 Ā± 3.3

F = 46.7

Pā€‰=ā€‰0.007

Arousal index (No/h) (mean Ā± SD)

11.7 Ā± 4.2

15.8 Ā± 4.3

21.8 Ā± 3.8

28 Ā± 6.1

F = 15.12

Pā€‰=ā€‰0.02

  1. aF ANOVA test
  2. S = P value < 0.05