Skip to main content

Table 3 Comparison of the incidence of fetal SCAs among different age groups

From: Clinical evaluation of noninvasive prenatal testing for sex chromosome aneuploidies in 9,176 Korean pregnant women: a single-center retrospective study

Age groups

No.of patients

45,Xa

47,XXXb

47,XXYc

47,XYYd

All SCAe

PPV(%)

 ≤ 29

352

0

0

0

0

0

0

30–34

2,253

0

3

0

3

6

46.15

35–39

4,841

3

3

4

0

10

55.56

 ≥ 40

1,730

0

2

1

0

3

75.00

Total

9,176

3

8

5

3

19

51.35

  1. PPV positive predictive value, SCA sex chromosome aneuploidy
  2. aP = 0.637 for incidence of 45,X
  3. bP = 0.676 for incidence of 47,XXX
  4. cP = 0.585 for incidence of 47,XXY
  5. dP = 0.048 for incidence of 47,XYY
  6. eP = 0.914 for incidence of All SCA
Back to article page

BMC Pregnancy and Childbirth

ISSN: 1471-2393

Contact us