From: Placental chorioangioma and pregnancy outcome: a ten-year retrospective study in a tertiary referral centre
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)