Table I. Baseline participant characteristics.

n	18
Age (yrs)	18.9 ± 9.3
Female Sex, n (%)	7 (39)
BMI SDS	-0.11 ± 1.11
Years transfused	16.4 ± 9.3
Ethnicity
Cambodian, n (%)	1 (5.5)
Chinese, n (%)	7 (39)
Filipino, n (%)	2 (11)
Greek, n (%)	1 (5.5)
Hispanic, n (%)	1 (5.5)
Indian, n (%)	3.5 (19)
Thai, n (%)	1 (5.5)
Vietnamese, n (%)	1.5 (8)
8:00 AM cortisol (μg/dL)	8.6 ± 3.6
Ferritin (ng/mL)	1409 ± 1408

Data are mean ± SD for normally distributed continuous variables or n (%) for categorical variables