Cardiometabolic comorbidities in obstructive sleep apnea patients are related to disease severity, nocturnal hypoxemia, and decreased sleep quality

Table 7 Linear regression analysis for the influence of dyslipidemia-independent variables on quantitative dependent variables

		Model 1: Dyslipidemia			Model 2: Diyslipidemia + adjustement (age, BMI, sex)
	Dependent variables	R	R²	P value	R	R²	P value
Demographic data	NC	0.058	0.003	0.018	0.710	0.502	<0.0001
Demographic data	Alcool	0.032	0.000	NS	0.190	0.033	<0.0001
Polysomnographic data	AHI	0.023	0.000	NS	0.351	0.121	<0.0001
	AHI / REM	0.027	0.000	NS	0.353	0.123	<0.0001
	AHI / NREM	0.023	0.000	NS	0.338	0.112	<0.0001
	SE (%)	0.036	0.001	NS	0.251	0.061	<0.0001
	TST (min)	0.018	0.000	NS	0.378	0.141	<0.0001
	N3 (%)	0.043	0.001	NS	0.068	0.002	NS
	REM (%)	0.074	0.005	0.002	0.204	0.039	<0.0001
	ARI	0.067	0.004	0.005	0.182	0.031	<0.0001
	Mean duration AH REM (sec)	0.104	0.010	<0.0001	0.182	0.031	<0.0001
	Mean duration AH NREM (sec)	0.027	0.000	NS	0.200	0.038	<0.0001
	PLM	0.001	0.001	NS	0.139	0.017	<0.0001
	ODI	0.035	0.001	NS	0.229	0.050	<0.0001
	Mean 02 saturation TST (%)	0.033	0.000	NS	0.153	0.024	<0.0001
	02 desaturation < 90% (min)	0.051	0.002	0.036	0.252	0.061	<0.0001
	Minimal 02 saturation (%)	0.054	0.002	0.030	0.277	0.074	<0.0001
	Mean HR (beats/min)	0.035	0.001	NS	0.353	0.123	<0.0001

BMI: body mass index, NC: neck circumference, AHI: apnea-hypopnea index, AH: apnea-hypopnea, REM: rapid eye movement sleep, NREM: non-rapid eye movement sleep, SL: sleep latency, TST: total sleep time, SE: sleep efficiency, N3: sleep stage 3, PLM: periodic leg movements index, ODI: oxygen desaturation index, ARI: arousal index, 0₂: oxygen, HR: heart rhythm. All the results are expressed as Mean + SD. NS: not significant

ISSN: 1465-993X