From: Blood cytology in children with down syndrome
Sex and age
n
%
Male
1953
56.8
< 2 years
473
13.8
2-5 years
760
22.1
6-11 years
562
16.3
12-14 years
115
3.3
15-18 years
43
1.3
Female
1485
43.2
291
8.4
519
15.1
462
13.4
116
3.4
97
2.8