The firstly visited department affects the acceptance of CPAP in patients with obstructive sleep apnea: a cohort study

Table 2 Baseline polysomnography results of the study participants

Polysomnography, mean. (SD)	Acceptance N = 546	Non-acceptance N = 470	Univariate p value	Multivariate p value
PSQ	9.47 (3.8)	9.30 (3.8)	.615	.264
ESS	11.26 (5.5)	10.64 (5.3)	.208	.507
AHI	55.83 (24.5)	40.79 (23.5)	< .001	.003*
REM-AHI	51.21 (25.3)	44.92 (25.6)	< .001	.014*
NREM-AHI	53.86 (27.3)	38.76 (24.8)	< .001	.781
90% PRESSURE	10.87 (2.6)	10.02 (2.4)	< .001	.201
MEAN SAT	94.06 (3.0)	94.95 (2.5)	< .001	.808
MEAN HR	70.22 (9.9)	68.63 (9.3)	.009	.842
AROUSAL INDEX	36.80 (22.6)	28.75 (19.2)	< .001	*.011
SLEEP EFFICIENCY	75.56 (17.1)	75.39 (16.8)	.878	.384
PLM	2.69 (9.0)	3.15 (10.7)	.461	.575

Univariate p value: p value without any variable adjustment. Multivariate p value: p value with adjustment of the others variables listed in the table
SD standard deviation, PSQ Pittsburgh Sleep Quality Index, ESS Epworth sleepiness scale, AHI apnea–hypopnea index, REM-AHI apnea–hypopnea index during rapid eye movement sleep, NREM-AHI apnea–hypopnea index during non-rapid eye movement sleep, 90% PRESSURE average pressure measured during 90% of sleep, MEAN SAT mean blood oxygen saturation, MEAN HR mean heart rate, PLM periodic limb movement

ISSN: 1916-0216