Table 1. Demographics and medical comorbidities.

Medical comorbidity	Total (N=46), n [%]
Age
<65	28 [61]
≥65	18 [39]
BMI
Non-obese (BMI <30)	29 [63]
Obese (BMI ≥30)	17 [37]
Obstructive sleep apnea	6 [13]
Coronary artery disease	4 [9]
Type 2 diabetes mellitus	3 [7]
Depression	2 [4]
Smoking	1 [2]