Table 1. Patient demographics and medical comorbidities.

Characteristic	SCD Patients (n=40)	Non-SCD Patients (n=19)	P-Value
Mean Age, yrs (SD)	28.2 (8.9)	32.6 (11.7)	0.0943
Race, n (%)
Caucasian	0 (0)	10 (52.6)	0.0001
African American	40 (100)	7 (36.8)	0.0001
Other	0 (0)	2 (10.5)	0.0999
Married, n (%)	6 (15)	7 (36.8)	0.0916
Hypertension, n (%)	8 (20)	5 (26.3)	0.7381
Dyslipidemia, n (%)	1 (2.5)	1 (5.3)	0.5441
Diabetes, n (%)	0 (0)	1 (5.3)	0.3220
Stroke, n (%)	4 (10)	0 (0)	0.2945
Kidney Disease, n (%)	4 (10)	0 (0)	0.2945
Tobacco Use, n (%)	6 (15)	8 (42.1)	0.0460

SCD = sickle cell disease, n = number, yrs = years, SD = standard deviation