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Table 4 The positive result effects from maternal age and gestational age

From: Noninvasive prenatal testing for chromosome aneuploidies and subchromosomal microdeletions/microduplications in a cohort of 8141 single pregnancies

 

Trisomy

CNV

Total

P

TP

FP

TP

FP

TP

FP

Age

 ≥ 35

9

4

2

18

11

22

> 0.05*

 <35

7

8

11

4

18

12

GA at NIPT (weeks)

 First trimester(9–13 weeks)

0

0

0

0

0

0

/

 Second trimester(14–27 weeks)

1

9

13

22

14

31

 Third trimester(≥ 28 weeks)

0

1

0

0

0

1

  1. / no data
  2. *Chi-square test in total sample