. Author manuscript; available in PMC: 2020 Mar 24.

Published in final edited form as: Eur Respir J. 2012 Jun 27;41(3):601–609. doi: 10.1183/09031936.00183411

TABLE 5.

Sleep and respiratory data in sleep apnoeic males at baseline and after sham-continuous positive airway pressure (CPAP) and CPAP treatment phases

	Baseline	Post-CPAP	Post-sham-CPAP
Sleep latency min	14.24± 1.58	11.70±1.38	11.50±1.46
WASO min	112.97 ±10.28	79.23 ±10.28^*	103.11 ±8.65^#
TWT min	127.20±10.63	90.93 ±10.99^*	114.61 ±8.88^#
Sleep time TST %	73.59±2.19	81.14±2.28^*	76.19± 1.82^#
N1 %	22.42± 1.88	14.67 ±1.32^*	19.23±1.78^#
N2 %	56.28±2.82	60.82±2.21	60.38±2.17
SWS%	6.83± 1.56	6.99 ±1.66	7.18±1.69
REM %	14.47±1.61	15.18± 1.13	13.20±1.13
REM latency min	109.28±14.63	95.69 ±12.86	110.20 ±12.62
AHI	42.12±4.87	2.46 ±1.10^*	31.55±5.76^#
Minimum Sa,O₂	81.18± 1.81	91.73 ±1.15^*	83.18±1.64^#

Data are presented as mean±SE. WASO: wake time after sleep onset; TWT: total wake time; TST: total sleep time; N1: stage 1 nonrapid eye movement (NREM) sleep; N2: stage 2 NREM sleep; SWS: slow wave sleep; REM: rapid eye movement; AHI: apnoea/hypopnoea index; Sa,O₂: arterial oxygen stauration.

^*:

p<0.05 between baseline and post-CPAP treatment;

^{^#:}

p<0.05 between CPAP and sham-CPAP.