Table 2 Comparison of outcomes in those with and without perinatal deaths among women with obstructed labour

Mean fetal weight (Kg)

–

0.95 (0.52–1.71)

0.844

 <  2.5

2/14 (14.3)

1.36 (0.36–5.16)

0.660

 2.5–3.5

34/335 (61)

1

–

 >  3.5

20/143 (14)

1.33 (0.79–2.24)

0.970

 Umbilical artery^a

–

1.19 (1.15–1.24)

<  0.001

  Normal lactate (<=4.8)

1/110 (0.9)

1

–

  High lactate (>  4.8)

55/382 (14.4)

13.97 (1.95–100.03)

0.006

 Umbilical vein^a

–

1.24 (1.18–1.30)

<  0.001

  Normal lactate (<=4.8)

1/132 (0.8)

1

–

  High lactate (>  4.8)

55/360 (15.3)

17.6 (2.46–126.4)

0.003

 Normal (> =7)

4/90 (4.4)

1

–

 Abnormal (<  7)

52/402 (12.9)

37.17 (13.68–101.01

<  0.001

 Normal (> =7)

6/481 (1.2)

1

–

 Abnormal (<  7)

50/11 (454)

66.53 (29.76–148.75)

<  0.001