Table 2 Results of sleep parameters by the NSCAN and PSG
Median | Interquartile range | |
|---|---|---|
PSG nighttime (21:00–05:59) | ||
TST (min) | 456.0 | 353.0–517.5 |
SE (%) | 84.4 | 65.4–95.8 |
WK (%) | 15.6 | 4.2–34.6 |
N1 (%) | 22.2 | 14.4–41.4 |
N2 (%) | 20.5 | 19.3–53.5 |
N3 (%) | 0.4 | 0.0–4.4 |
REM (%) | 0.1 | 0.0–1.8 |
Arousal index (arousals/h) | 14.1 | 8.0–20.3 |
Frequency of sleep stage shift (/h) | 8.9 | 2.9–11.5 |
PSG daytime (06:00–20:59) | ||
TST (min) | 305.0 | 186.2–542.5 |
SE (%) | 33.9 | 21.9–60.3 |
WK (%) | 66.1 | 39.7–78.1 |
N1 (%) | 22.0 | 13.1–30.0 |
N2 (%) | 8.2 | 4.1–19.6 |
N3 (%) | 0.0 | 0.0–0.7 |
REM (%) | 0.0 | 0.0–0.6 |
NSCAN total recorded epochs (WK+Sleep+Out-of-bed) | 30,212 | |
WK | 6233 | |
Sleep | 21,985 | |
Out-of-bed | 1994 | |
NSCAN battery disconnection | 1468 | |
NSCAN nighttime | ||
TST (min) | 500.0 | 444.5–525.5 |
SE (%) | 96.3 | 82.3–98.6 |
Awakenings | 8.0 | 2.5–11.0 |
NSCAN daytime | ||
TST (min) | 710.0 | 517.0–750.5 |
SE (%) | 78.9 | 65.8–84.3 |
RCSQ (average of 5 questions) | 68.0 | 26.3–83.5 |
Sleep depth | 62.0 | 33.0–86.5 |
Sleep latency | 65.0 | 36.5–81.5 |
Frequency of awakenings | 60.0 | 17.0–81.5 |
Sleep latency after awakenings | 80.0 | 21.0–90.0 |
Sleep quality | 68.0 | 20.0–91.0 |