. 2023 Jan 27;13(1):129–139. doi: 10.1007/s44197-023-00089-1

Table 7.

Multivariate analysis using logistic regression

Variable	Units	Def 1			Def 2			Def 3
Variable	Units	OR	CI 95%	p value	OR	CI 95%	p value	OR	CI 95%	p value
Age in years	≤ 50	Ref			Ref			Ref
	> 50	0.74	[0.31;1.80]	0.5076	0.98	[0.34;2.83]	0.9679	0.74	[0.31;1.80]	0.5076
Gender	Female	Ref			Ref			Ref
	Male	1.21	[0.50;2.90]	0.6696	3.17	[1.05;9.53]	0.04	1.21	[0.50;2.90]	0.6696
BMI in kg/m²	> 35	Ref			Ref			Ref
	≤ 35	3.89	[1.60;9.45]	0.0027	0.21	[0.07;0.70]	0.0102	3.89	[1.60;9.45]	0.0027
DM	No	Ref			Ref			Ref
	Yes	2.53	[0.90;7.11]	0.0784	0.71	[0.21;2.39]	0.5769	2.53	[0.90;7.11]	0.0784
COPD	No	Ref			Ref			Ref
	Yes	1.16	[0.08;17.23]	0.9160	4,395,779.65	[0.00;Inf]	0.9942	1.16	[0.08;17.23]	0.9160
Asthma	No	Ref			Ref			Ref
	Yes	0.45	[0.16;1.22]	0.1154	1.64	[0.47;5.71]	0.4376	0.45	[0.16;1.22]	0.1154
HTN	Yes	Ref			Ref			Ref
	No	0.50	[0.18;1.39]	0.1817	1.98	[0.61;6.42]	0.2540	0.50	[0.18;1.39]	0.1817
IHD	Yes	Ref			Ref			Ref
	No	3.82	[0.80;18.31]	0.0932	0.31	[0.05;1.91]	0.2078	3.82	[0.80;18.31]	0.0932
AHI	< 10	Ref			Ref			Ref
	> 10	1.08	[0.41;2.79]	0.8812	0.00	[0.00;Inf]	0.9915	1.08	[0.41;2.79]	0.8812
AHI in REM	≤ 20	Ref			Ref			Ref
	> 20	0.46	[0.17;1.24]	0.1245	3.63	[1.00;13.27]	0.0508	0.46	[0.17;1.24]	0.1245
Mean SaO₂	≤ 95	Ref			Ref			Ref
	> 95	1.31	[0.44;3.86]	0.6283	0.20	[0.05;0.84]	0.0276	1.31	[0.44;3.86]	0.6283
Time SaO₂ less 90%	≤ 2	Ref			Ref			Ref
	> 2	0.38	[0.13;1.17]	0.0912	0.77	[0.19;3.15]	0.7158	0.38	[0.13;1.17]	0.0912
ROC-AUC		77.7	[69.5;85.8]		88.8	[83.3;94.4]		80.6	[72.2;88.9]