Table 1.

Characteristics of the study subjects.

	SCD patients	Controls
Patients, n (%)	73 (100%)	68 (100%)
Male gender	43 (58.9%)	32 (47.1%)
Female gender	30 (41.1%)	36 (52.9%)
Median age, month (range)	36 (12–72)	33.5 (6–72)
Hemoglobin (Hb) type, n (%)
HbSS	53 (72.6%)	0
HbSC	20 (27.4%)	0
HbAA	0	30 (30.9%)
HbAS	0	45 (66.2%)
HbAC	0	2 (2.9%)