Related Variables

	txgroup	Treatment Group (0= Non-randomized; 1) Group A = Sham; 2) Group B = Active)	Administrative
	osaseveritypostqc	OSA Severity (0= Non-randomized; 1= Mild OSA [AHI 10-15.0); 2 = Moderate OSA [AHI 15.1-30]; 3= Severe OSA [AHI >30])	Sleep Questionnaires/Sleep Disordered Breathing