Table 2 Participant sleep architecture and OSA characteristics (n = 81)
Mean [SD] | |
|---|---|
Sleep architecture | |
Total time in bed (minutes) | 451.81 [65.50] |
Total sleep time (minutes) | 339.30 [72.92] |
Sleep onset latency (minutes) | 22.98 [24.04] |
Sleep efficiency (%) | 75.64 [14.35] |
Wake after sleep onset (minutes) | 89.54 [59.70] |
Stage NREM 1 (%) | 9.59 [9.91] |
Stage NREM 2 (%) | 59.99 [10.80] |
Stage NREM 3 (%) | 13.26 [10.31] |
Stage REM (%) | 17.03 [6.32] |
Periodic Limb Movement Index | 15.33 [19.37] |
OSA characteristics | |
Apnea–Hypopnea Index (AHI) | 8.26 [12.34] |
REM AHI | 17.19 [20.99] |
NREM AHI | 6.42 [12.15] |
REM AHI:NREM AHI | 4.02 [4.55] |
Respiratory Disturbance Index (RDI) | 15.96 [16.58] |
REM RDI | 24.19 [22.58] |
NREM RDI | 14.20 [16.65] |
REM RDI:NREM RDI | 2.53 [2.40] |
Oxyhemoglobin Desaturation Index (ODI) | 12.69 [15.30] |
REM ODI | 23.80 [21.10] |
NREM ODI | 10.41 [15.39] |
REM ODI:NREM ODI | 3.60 [2.97] |
Nadir Blood Oxyhemoglobin saturation (%) | 85.62 [7.98] |
Mean Blood Oxyhemoglobin saturation (%) | 94.78 [1.69] |
Duration of < 90% Blood Oxyhemoglobin saturation (minutes) | 4.37 [9.24] |
REM < 90% Blood Oxyhemoglobin saturation (minutes) | 1.83 [4.57] |
NREM < 90% Blood Oxyhemoglobin saturation (minutes) | 2.55 [7.21] |