Table 3 The distribution of aneuploidy in four groups of pregnant women (%)
From: The yield of SNP microarray analysis for fetal ultrasound cardiac abnormalities
| Â | n | Trisomy 21 | Trisomy 18 | Trisomy 13 | Other aneuploidies |
|---|---|---|---|---|---|
Isolated CHD group | 170 | 4(2.4) | 2(1.2) | 0 | 0 |
Non-isolated CHD group | 68 | 4(5.9) | 11(16.2) | 3(4.4) | 1(1.5) |
Non-CHD group | 538 | 28(5.2) | 8(1.5) | 2(0.4) | 8(1.5) |
Control group | 1316 | 33(2.5) | 6(0.5) | 0 | 39(3.0) |
P-value |  | 0.021 | < 0.001 |  - |  - |