Table 1.

Patient demographics

Characteristics	Number of Subjects
Total	54
Sex
Female	39
Male	15
Race
Caucasian	51
African-American	3
Underlying risk factors/diseases
Coronary artery disease	0
Hypertension	0
Peripheral vascular disease	0
Diabetes	0
Hypercholesterolemia	0
Hyperlipidemia	5
Tobacco use	4
Bowel disease	25
Cancer	16