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Table 1 Sample distribution by sex and age

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

 < 2 years

291

8.4

 2-5 years

519

15.1

 6-11 years

462

13.4

 12-14 years

116

3.4

 15-18 years

97

2.8