Useful variables during wake and sleep for prediction of positive airway pressure in obstructive sleep apnea titration

Table 3 Result of Logistic Regression Analysis for Device Therapy Selection

Variables	B	p-value	Odds Ratio	95% CI
Variables	B	p-value	Odds Ratio	Lower	Upper
Demographic Variables
Intercept	−23.117	0.759	–	–	–
AHI	−0.005	0.931	0.995	0. 773	1.121
BMI	0.146	0.045*	1.757	1.504	3.429
Neck	0.667	0.036*	1.906	2.311	6.322
Supine Position (S)	0.004	0.807	1.004	0.933	1.094
PSG Results
REM Duration (min)	0.375	0.031*	1.454	1.315	3.960
ODI	−0.013	0.864	0.987	0.790	1.150
T < 90%	0.068	0.365	1.07	0.815	1.241
Minimum NREM SaO₂	0.465	0.043*	1.592	1.420	4.340
Minimum REM SaO₂	−0.018	0.49	0.982	0.932	1.034
Average SaO₂	0.590	0.045*	1.803	2.206	5.758
Breath-Holding Maneuver
Breath-Holding Duration	−0.035	0.312	0.965	0.902	1.034
Time of SaO₂ Recovery	0.031	0.306	1.031	0.975	1.032
SaO₂ Post Breath-Holding	0.451	0.372	1.569	0.583	4.229
SaO₂ Recovery	0.149	0.565	1.16	0.789	1.929

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