Table 2.
Measure | 1: 10 healthy participants (128 nights) mean ± SD | 2: 18 sleep apnea participants (65 nights) mean ± SD | 3: 20 insomnia participants (121 nights) mean ± SD | Pairwise comparison, Tukey (p: <.05) |
---|---|---|---|---|
Total sleep time (TST, actigraphic) | 395.7 ± 62.3 | 376 ± 51.7 | 432.8 ± 90 | NS |
Sleep efficiency | 88.6 ± 12.1 | 86.7 ± 10.2 | 78.8 ± 4.2 | NS |
Wake after sleep onset (actigraphic) | 50.3 ± 20 | 62.9 ± 47.8 | 75.1 ± 34 | 3 > 1 |
Arousals (actigraphic, total, TST) | 45.6 ± 22.9 | 28.2 ± 22.1 | 68.1 ± 36.4 | 3 > 2 |
HFCP | 55.2 ± 11 | 48.9 ± 32.3 | 44 ± 13.8 | NS |
HFCD | 218 ± 56.7 | 180.3 ± 121.4 | 225.7 ± 80.9 | 3 > 2 |
LFCP | 28.7 ± 11.3 | 38.6 ± 22.1 | 35.6 ± 12.8 | NS |
LFCD | 113.6 ± 51.3 | 145.1 ± 83.1 | 185.2 ± 82.9 | 3 > 1, 2 2 > 1 |
VLFCP | 17.3 ± 10 | 13.5 ± 11.7 | 20.1 ± 6.4 | NS |
VLFCD | 68.5 ± 27.9 | 50.8 ± 44 | 102 ± 41.9 | 3 > 2 |
e-LFCBBP | 13.8 ± 7.7 | 15.8 ± 14.9 | 19.9 ± 10.5 | NS |
e-LFCBBD | 64.2 ± 38.5 | 59.4 ± 56 | 104.5 ± 65.1 | 3 > 2 |
e-LFCNBP | 0.005 ± 0.01 | 12.7 ± 6.3 | 0.8 ± 1.7 | 3 > 1, 2 |
e-LFCNBD | 1.9 ± 4.7 | 47.8 ± 23.7 | 4.5 ± 8.3 | 2 > 1, 3 |
Supine sleep % actigraphic TST | 51.1 ± 22.3 | 38.6 ± 12.5 | * | p: <.01** |
Subjective total sleep time | * | * | 341.3 ± 125.4 | |
Stanford Sleepiness Scale | * | * | 3.7 ± 1.4 |
HFC = high-frequency coupling; D = duration; LFC = low-frequency coupling; P = percentage; VLFC = very low-frequency coupling; BB, NB = broad and narrow band; e = elevated; TST = total sleep time (minutes); SD = standard deviation; NS = not significant.
*Data not available or incomplete.
**t-test.