Subject information.

Characteristics and symptoms of 49 OSA patients; BMI = body mass index; AHI = apnea/hypopnea index (severity of OSA); SaO2 = blood oxygen saturation (oximetry); REM = rapid eye movement sleep; ESS = Epworth Sleepiness Scale; PSQI = Pittsburgh Sleep Quality Index; BDI = Beck Depression Inventory II; BAI = Beck Anxiety Inventory; ACE = angiotensin-converting enzyme inhibitor; ARB = angiotensin receptor blocker; statin = cholesterol-lowering via inhibition of HMG-CoA reductase enzyme. *Missing data for N = 38 subjects; years of education were not originally collected. †Missing data points (indicates that one subject's value is missing, but not always the same subject); one subject missing for each of SaO2 and position measurements due to technical failures, blood pressure medication history not collected for one subject; summary values are shown for the remaining 48 subjects.