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Table 2 Obstetric interventions and maternal outcomes, planned home and hospital birth in low-risk women

From: Effect of planned place of birth on obstetric interventions and maternal outcomes among low-risk women: a cohort study in the Netherlands

 

Nulliparous (n = 1585)

Parous (n = 1910)

No of events/births

Incidence (%)

Crude OR (95 % CI)

Adjusted OR (95 % CI)a

No of events/births

Incidence (%)

Crude OR (95 % CI)

Adjusted OR (95 % CI)a

Spontaneous birth

  Planned home birth

651/868

75.0

1.31 (1.05–1.65)*

1.38 (1.08–1.76)*

1164/1182

98.5

2.30 (1.25–4.25)*

2.29 (1.21–4.36)*

  Planned hospital birth

498/717

69.5

1

1

703/728

96.6

1

1

 Vacuum/forceps birth c

  Planned home birth

156/868

18.0

0.83 (0.64–1.06)

0.77 (0.60–1.01)

11/1182

0.9

0.52 (0.23–1.16)

0.46 (0.20–1.07)b

  Planned hospital birth

150/717

20.9

1

1

13/728

1.8

1

1

 Unplanned caesarean section

  Planned home birth

61/868

7.0

0.74 (0.51–1.07)

0.72 (0.48–1.09)

7/1182

0.6

0.35 (0.14–0.91)*

0.42 (0.16–1.10)b

  Planned hospital birth

69/717

9.6

1

1

12/728

1.7

1

1

 Episiotomy

  Planned home birth

319/856

37.3

0.81 (0.65–1.00)

0.73 (0.58–0.91)*

74/1182

6.3

0.49 (0.35–0.69)*

0.47 (0.33–0.68)*

  Planned hospital birth

299/713

41.9

1

1

89/727

12.2

1

1

 Labour augmentation: oxytocin

  Planned home birth

208/868

24.0

0.77 (0.60–0.99)*

0.81 (0.62–1.05)

50/1182

4.2

0.49 (0.33–0.73)*

0.55 (0.36–0.82)*

  Planned hospital birth

202/717

28.2

1

1

60/728

8.2

1

1

 Use of oxytocin in the third stage of labour

  Planned home birth

694/857

81.0

0.62 (0.45–0.84)*

0.58 (0.42–0.80)*

739/1181

62.6

0.45 (0.36–0.57)*

0.47 (0.37–0.60)*

  Planned hospital birth

616/713

86.4

1

1

549/727

75.5

1

1

Maternal outcomes

 Intact perineum

  Planned home birth

220/856

25.7

0.87 (0.69–1.11)

0.91 (0.71–1.18)

575/1182

48.7

1.55 (1.28–1.89)*

1.65 (1.34–2.03)*

  Planned hospital birth

210/713

29.5

1

1

285/727

39.2

1

1

 Anal sphincter damage (third-or fourth degree)

  Planned home birth

45/856

5.3

1.67 (0.99–2.81)

1.75 (1.01–3.03)*b

17/1182

1.4

0.74 (0.36–1.52)

0.73 (0.34–1.58)b

  Planned hospital birth

23/713

3.2

1

1

14/727

1.9

1

1

 Haemorrhage postpartum >1000 ml

  Planned home birth

65/847

7.7

1.21 (0.81–1.82)

1.03 (0.67–1.59)

28/1180

2.4

0.67 (0.38–1.19)

0.68 (0.38–1.23)b

  Planned hospital birth

46/708

6.5

1

1

24/725

3.3

1

1

  1. Multilevel analysis of obstetric interventions and maternal outcomes
  2. *p < 0.05
  3. aAdjusted for maternal age, gestational age, ethnic background (Dutch/western background/non-western background), Body Mass Index (BMI), socio-economic position
  4. bAdjusted for maternal age, ethnic background (Dutch/non-Dutch) and BMI if there were less than 90 cases to take account to the rule of ten events per variable
  5. cIf caesarean section after failed vacuum or forceps, this was analyzed as caesarean section, N = 18
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BMC Pregnancy and Childbirth

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