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Table 5 Sex ratio in patients with segmental mosaicism according to maternal age

From: Mosaicism for structural non-centromeric autosomal rearrangements in disease-defined carriers: sex differences in the rearrangements profile and maternal age distributions

Age groups, years

Males

Females

Number

Proportion (P1)

Number

Proportion (P2)

Sex ratio (P1/P2)

<20

8

0.14

2

0.03

4.7

20–24

19

0.34

18

0.25

1.4

25–29

19

0.34

24

0.33

1.0

30–34

5

0.09

14

0.19

0.5

35–39

4

0.07

10

0.14

0.5

≥40

1

0.02

5

0.07

0.3

Total

56

1.0

73

1.0