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.