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Table 1 Age and sex distribution of subjects and controls

From: Determinants of academic performance in children with sickle cell anaemia

Age Subjects Controls
(Years) M F M F
5 4 2 4 2
6 10 2 1 2
7 3 3 3 3
8 8 7 8 7
9 3 2 3 2
10 7 9 7 9
11 20 10 20 10
Total 55 35 55 35