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Table 1 Polysomnographic data at simulated 5500 m

From: Normobaric hypoxia overnight impairs cognitive reaction time

ID C-01 C-02 C-03 C-04 C-05 C-06 C-07 C-08 C-09 C-10 C-11
Sex (f/m) m f f m f m f m f m m
TST (min) 155 108 40 103.5 347 373.5 122 334.5 135.5 157.3 260.9
N 1 (%) 3.9 9.3 33.8 11 13.1 7.5 12.3 24.8 10.5 15.9 27.9
N 2 (%) 44.5 39.8 47.5 63.3 52.9 66.7 75 52.8 39.9 54.5 48.5
N 3 (%) 37.7 50.9 18.5 18.8 20.3 60.5 12.7 22.4 41.7 21.6 19.8
REM (%) 13.9 0 0 6.8 13.7 9.6 0 0 7.7 7.9 3.7
CA (n) 382 53 111 312 291 907 4 759 0 163 87
CH (n) 15 7 1 17 189 40 12 39 13 9 20
AHI (n/h) 153.68 33.33 168 190.72 83 152.13 7.87 143.139 5.76 65.61 24.61
HF (bpm) 58 92.9 82.2 89.6 71.9 62.8 73.8 91.6 73.8 79.8 72.48
SpO2 (%) 66.4 60.8 65.1 59.2 71.7 70 64.4 65.3 65 71 63.4
  1. TST total sleeping time, N1 non REM 1, N2 non REM 2, N3 non REM 3, REM rapid eye movement sleep, CA central apneas, CH central hypopneas, AHI apnea hypopnea index, HF heart frequency, SpO 2 peripheral oxygen saturation