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Table 2 Birth outcomes following ECV, by presentation at delivery (N = 3382)

From: Uptake of external cephalic version for term breech presentation: an Australian population study, 2002–2012

Outcome

Successful ECV (Cephalic at birth)

n = 1643

n (col%)

Unsuccessful ECV (Breech at birth)

n = 1739

n (col%)

Test of difference between groups

Test statistic, p-value

Mode of delivery

  

X2 (2)=1757.48, p < 0.01

 Vaginal birth

1217 (74.1)

76 (4.4)

 Caesarean section with labour

109 (6.6)

241 (13.9)

 Caesarean section, no labour

317 (19.3)

1422 (81.8)

Gestational age at birth

  

X2 (5)=697.74, p < 0.01

 36 weeks

None

6 (0.4)

 37 weeks

62 (3.8)

74 (4.3)

 38 weeks

188 (11.4)

450 (25.9)

 39 weeks

465 (28.3)

953 (54.8)

 40 weeks

514 (31.3)

206 (11.9)

  ≥ 41 weeks

414 (25.2)

50 (2.9)

Perinatal death

8 (0.5)

x (0.2)

Fisher’s exact, p = 0.14

Apgar < 4 at 1 min

46 (2.8)

39 (2.2)

X2 (1)=1.07, p = 0.30

Apgar < 7 at 5 min

30 (1.8)

25 (1.4)

X2 (1)=0.80, p = 0.37

NICU/SCN admission

138 (8.4)

116 (6.7)

X2 (1)=3.63, p = 0.06

  1. Note: Cell sizes <5 have been censored