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. Author manuscript; available in PMC: 2016 Jan 31.

Published in final edited form as: Am J Hematol. 2015 Feb;90(2):139–143. doi: 10.1002/ajh.23877

Table I.

Baseline characteristics of participants by study group

	Transfusion (N = 99)	Observation (N = 97)
Age in years
Mean	9.97	9.97
25^th Percentile	7.80	7.60
50^th Percentile	10.00	9.90
75^th Percentile	11.50	12.20
Ethnicity N(%)
African Origin	90 (92.8)	91 (91.9)
White	0 (0.0)	2 (2.0)
Other	7 (7.2)	6 (6.1)
Gender N(%)
Male	59 (59.6)	52 (53.6)
Female	40 (40.4)	45 (46.4)
Disease severity N(%)
Mild	57 (57.6)	45 (46.4)
Severe	42 (42.4)	52 (53.6)

No differences were detected between study groups at baseline.