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Table 3 Comparison of detection rates of karyotype and CNV-SEQ classified according to prenatal diagnostic indications

From: Comprehensive chromosomal abnormality detection: integrating CNV-Seq with traditional karyotyping in prenatal diagnostics

Indications

CNV-Seq abnormal

Detection rate

Karyotype abnormal

Detection rate

AMA (N = 401)

20

5.0%

12

2.9%

HR-MSS (N = 388)

31

8.0%

11

2.8%

USM (N = 105)

14

13.3%

7

6.7%

HR-NIPT (N = 40)

19

47.5%

16

40.0%

Others (N = 57)

4

7.0%

3

5.3%

Mixed (N = 10)

1

10.0%

1

10.0%

Total (N = 1001)

89

8.9%

50

5.0%

  1. AMA, advanced maternal age; HR-MSS, high-risk maternal serum screening; USM, ultrasound soft marker; HR-NIPT, high-risk non-invasive prenatal testing.