Table 1. Patient demographics (n=128).

Characteristics	n or mean	% or SD
Male	77	60.2
Age (years)	67.9	10.5
Race
Caucasian	112	87.5
African-American	15	11.7
Asian	1	0.8
BMI	27.7	5.8
CrCl (mL/min)	89	31.9
Smoking history
Never	6	4.7
Current	37	28.9
Former	85	66.4
Comorbidities
Diabetes	18	14.1
Hypertension	82	64.1
Hyperlipidemia	56	43.8
Stroke	9	43.8
Coronary disease	19	14.8
COPD	63	49.2

BMI, body mass index.