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Table 2 Differences between mean scores on actigraphic sleep variables for healthy controls and CLBP subjects

From: Objective and subjective assessment of sleep in chronic low back pain patients compared with healthy age and gender matched controls: a pilot study

 

Control Group

CLBP Group

t-value

p-value

CI (95%)

Variable

     

Total sleep time (mins) mean (SD)

399.13 (40.8)

381.66 (73.5)

.805

.428

-27.01-61.93

Sleep efficiency (%) mean (SD)

85.8 (4.4)

77.8 (7.8)

3.45

.002†

3.25 - 12.84

Sleep onset Latency (mins) mean (SD)

9.43 (10.2)

9.28 (11.1)

.036

.972

-8.11 - 8.4

Awakenings after sleep onset (mins) mean (SD)

7.4 (8.06)

24.4 (30.39)

-2.094

.055

-34.22-.2162