Table 4 |
||||
|
Relationship between objectively and subjectively measured sleep variables |
||||
|
Objective |
Subjective |
r-value |
p-value |
|
|
|
||||
|
Control Group (n-15) |
||||
|
Total Sleep Time (mins) mean (SD) |
399.13 (40.8) |
439.33 (42.6) |
0.778 |
<.001 † |
|
Sleep Efficiency (%) mean (SD) |
85.83 (4.4) |
95.33 (5.8) |
0.417 |
.42 |
|
Sleep onset Latency (mins) mean (SD) |
9.43 (10.2) |
11.73 (14.2) |
0.730 |
<.002 † |
|
Awakenings after Sleep Onset (mins) mean (SD) |
32.0 (9.22) |
7.4 (8.06) |
.006 |
.984 |
|
CLBP Group (n = 15) |
||||
|
Total Sleep Time (mins) mean (SD) |
434.33 (76.9) |
381.66 (73.5) |
0.795 |
<.000† |
|
Sleep Efficiency (%) mean (SD) |
73.43 (16.5) |
77.81 (7.8) |
0.298 |
.33 |
|
Sleep onset Latency (mins) mean (SD) |
45.33 (27.7) |
9.28 (11.1) |
0.343 |
.251 |
|
Awakenings after Sleep Onset (mins) mean (SD) |
43.3 (15.8) |
24.4 (30.4) |
.072 |
.798 |
|
|
||||
|
† p < 0.000 |
||||
|
O'Donoghue et al. BMC Musculoskeletal Disorders 2009 10:122 doi:10.1186/1471-2474-10-122 |
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