Table 3 Differences in the absent side of the umbilical artery between the ISUA group and other groups
Group | Left | Right | No record | χ2 | p-value |
|---|---|---|---|---|---|
ISUA | 235 | 189 | 39 | Â | Â |
SUA with other soft ultrasound markers | 52 | 48 | 12 | 0.96 | 0.62 |
SUA with foetal anomalies | 155 | 189 | 43 | 9.87 | <0.01 |
SUA combined with abnormal pregnancy appendage | 3 | 5 | 0 | Â | Â |