Table 1.
Sleep variables.
| Sleep architecture | |
| Time in bed (min) | 475 (440–537) |
| Total sleep time (min.) | 375 (290–462) |
| Wake after sleep onset (min.) | 70 (26.5–172) |
| Sleep efficiency (%) | 82.2 (60.2–94.4) |
| Sleep onset latency (min.) | 90.5 (43.5–316.5) |
| N1%/SPT | 13.5 (7.1–18.4) |
| N2%/SPT | 45.9 (34.9–60.8) |
| N3%/SPT | 7.8 (0–19.6) |
| REM %/SPT | 13.4 (7.2–22.8) |
| Respiratory Variables | |
| Apnea-hypopnea index (events/h) | 3.8 (0–34.9) |
| Central apnea index (event/h) | 0.3 (0–6.7) |
| Obstructive apnea index (event/h) | 0 (0–7.3) |
| Hypopnea index (event/h) | 2.3 (0–28.2) |
| Oxygen desaturation index (events/h) | 4.2 (0–27.4) |
| Mean oxygen saturation (%) | 94.8 (88.9–96.6) |
| Respiratory rate REM (/min) | 16.25 (10–19) |
| Respiratory rate NREM (/min) | 16 (10–19.5) |
| REM sleep without atonia (RWA)ab | |
| SINBAR (any mentalis and/or phasic FDS) (%) | 25.3 (1.7–41.0) |
| Above published cut off, n (%) | 1/11 (9%) |
| Any mentalis only (%) | 12.9 (1.4–24.1) |
| Above cut off, n (%) | 2/11 patients (18%) |
| Phasic mentalis only (%) | 8.8 (1–20.2) |
| Above cut off, n (%) | 2/11 patients (18%) |
| Tonic mentalis (%) | 0 (0–4.0) |
| Above cut off, n (%) | 0/11 patients (0%) |
| Phasic FDS right and left (%) | 11.6 (0.7–26.5) |
| Above cut off, n (%) | 3/11 patients (27%) |
| PLM | |
| PLMS index, (events/h) | 20.6 (0–72.7) |
| Above >15/h | 7/11 patients (63%) |
Data are provided as median (range). Abbreviations: BMI: body mass index, REM: rapid-eye-movement, RWA: REM sleep without atonia, FDS: flexor digitorum superficialis muscle, PLMS: periodic limb movements during sleep, SPT: sleep period time, SINBAR: Sleep Innsbruck Barcelona.
a
One subject can exceed multiple cut off values.
b
Cut off values: SINBAR (any mentalis and/or phasic FDS): 31.9%; any mentalis only: 18.2%, phasic mentalis: 16.3%; tonic mentalis: 9.6%; phasic FDS right and left: 16.8% [6].