Table 7 Comparison between the no ultrasound abnormality group and the ultrasound abnormality group
From: Application of chromosome microarray analysis in prenatal diagnosis
| Ā | Ultrasound abnormalities group (n = 383) | No ultrasound abnormalities group (n = 64) | Ļ2 | P value* |
|---|---|---|---|---|
Abnormal karyotype detection rate n (%) | 11 (2.87) | 12 (18.75) | 25.17 | <ā0.01 |
PCNVS detection rate n (%) | 14 (3.66) | 3 (4.68) | 0.0022 | 0.963 |
VOUS detection rate n (%) | 20(5.22) | 11 (17.19) | 10.38 | 0.00127 |