Table 1.

Patients' Demographics and Comorbidities

Variable	RDP (n = 40)
Age (y), mean (SD)	70 (13.4)
≥80 y, n (%)	7 (17)
Gender, M/F	20/20
Race, n (%)
Caucasian	31 (77)
Black	2 (5)
Hispanic	2 (5)
Others	5 (12.5)
Comorbidities, n (%)
Mean number of comorbidities	2.3
CAD	8 (20)
COPD	2 (5)
DM	11 (27)
ASA score, median (IQR)	2 (2–3)
BMI, mean (SD)	29.4 (5.64)

CAD, coronary artery disease; COPD, chronic obstructive pulmonary disease; DM, diabetes mellitus; ASA, American Society of Anesthesiologists; BMI, body mass index.