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. 2020 Jul 15;16(7):1013–1019. doi: 10.5664/jcsm.8372

Table 2.

At home polysomnography results.

Patients
Total recording time (min) 732 (507-747)
Total sleep time (min) 547 (331-673)
Sleep efficiency (%) 94 (52-98)
NREM stage 1 (min/% of total sleep time) 51 (18-140)/9 (3-24)
NREM stage 2 (min/% of total sleep time) 245 (135-322)/46 (26-57)
NREM stage 3 (min/% of total sleep time) 113 (74-156)/21 (13-33)
REM (min / % of total sleep time) 131 (45-197)/24 (13-34)
Arousal index (events/h of sleep) 7.0 (2-20)
Respiratory-related arousals index (events/h of sleep) 1.5 (0-18)
Obstructive apnea index (events/h of sleep) 1.0 (0-49)
Obstructive hypopnea index (events/h of sleep) 1.1 (0-27)
Obstructive apnea-hypopnea index (events/h of sleep) 2.6 (0-76)
Central apnea index (events/h of sleep) 0.2 (0-1.3)
Central hypopnea index (events/h of sleep) 0
Central apnea-hypopnea index (events/h of sleep) 0.2 (0-1.3)
Mean oxygen saturation (%) 97 (93-99)
Minimal oxygen saturation (%) 89 (72-94)
Time with oxygen saturation < 90% (% of total sleep time) 0 (0-10)

Data are expressed as median (minimum-maximum).