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Table 1 Basic Characteristics of 108 NIPT-Positive Patients

From: Analysis of the accuracy of Z-scores of non-invasive prenatal testing for fetal Trisomies 13, 18, and 21 that employs the ion proton semiconductor sequencing platform

Characteristics

Numbers

Maternal age(years)

  ≤ 20

1

 20–24

5

 25–29

31

 30–34

21

 35–39

35

 40–45

13

  ≥ 45

2

 Mean

33.5

 Range

19–48

Gestation at NIPT tests(weeks)

 12–12 + 6

4

 13–13 + 6

9

 14–14 + 6

5

 15–15 + 6

8

 16–16 + 6

17

 17–17 + 6

14

 18–18 + 6

14

 19–19 + 6

17

 20–20 + 6

5

 21–21 + 6

6

 22–22 + 6

2

 23–23 + 6

5

 24–24 + 6

0

 25–25 + 6

2

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Molecular Cytogenetics

ISSN: 1755-8166