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. Author manuscript; available in PMC: 2016 Jul 19.
Published in final edited form as: J Natl Med Assoc. 2010 Nov;102(11):1017–1023. doi: 10.1016/s0027-9684(15)30728-8

Table 1.

Demographics of Patients With Sickle Cell Disease (SCD)

Randomization
Chart Card No Card Total
Pediatric (<18 y) n = 25 n = 25 n = 50
Mean age, y (SD) 6.6 (4.2) 8 (5.7) 7.3 (5.0)
n (%) n (%) n (%)
Females 10 (40) 11 (44) 21(42)
Diagnosis
    SCD-SS 16 (64) 14 (56) 30 (60)
    SCD-SC 5 (20) 5 (20) 10 (20)
    SCD-Sβ0 thalassemia 2 (8) 1 (4) 3 (6)
    SCD-Sβ+ thalassemia 2 (8) 5 (20) 7 (14)
Adult (≥18 y) n = 23 n = 21 n = 44
Mean age, y (SD) 32.6 (13.1) 31 (13.2) 31.8 (13.0)
n (%) n (%) n (%)
Females 12 (52) 16 (76) 28 (64)
Diagnosis
    SCD-SS 16 (70) 11 (52) 27 (61)
    SCD-SC 5 (22) 8 (38) 13 (30)
    SCD-Sβ0 thalassemia 1 (4) 0 1 (2)
    SCD-Sβ+ thalassemia 1 (4) 2 (10) 3 (7)