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Comparison of umbilical cord–tumor distance in 2 groups
| Umbilical cord–tumor distance | M(P25, P75) | wilcoxon Man-whttey test | |
|---|---|---|---|
| Z | P | ||
| 15 cases with severe maternal or fetal complications | (1,4) | −2.239 | 0.025 |
| 29 cases with relatively good outcomes | (3,7) | ||
