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Table 2 Key maternal and neonatal indicators by antenatal model of care, 2004–2009

From: The Murri clinic: a comparative retrospective study of an antenatal clinic developed for Aboriginal and Torres Strait Islander women

Indicator

Definition

MC

SC

% difference

p

  

n (%)

n (%)

  

Number of antenatal visits at MC or hospital

2-4

57 (15.8)

44 (11.0)

4.9

0.007

5-7

85 (23.6)

79 (19.7)

3.91

≥8

101 (28.1)

151 (37.7)

−9.5

Preterm (<37 weeks)

 

44 (12.2)

58 (14.5)

−2.2

0.365

Onset of labour

Spontaneous

245 (68.1)

261 (65.1)

3.0

0.101

Induced

81 (22.5)

82 (20.5)

2.1

No labour- c/s performed

34 (9.4)

58 (14.5)

−5.0

Mode of birth

Non-instrumental vaginal

254 (70.6)

250 (62.5)

8.1

0.060

Forceps

5 (1.4)

3 (0.8)

0.6

Vacuum

15 (4.2)

26 (6.5)

−2.3

Caesarean section

86 (23.9)

121 (30.3)

−6.4

Analgesia

Inhalational

167 (46.8)

183 (47.0)

−0.3

0.942

Opioid

98 (27.5)

99 (25.5)

2.0

0.536

Epidural

68 (19.1)

101 (26.0)

−6.9

0.024

5 min Apgar <7 a

 

4 (1.1)

9 (2.2)

−1.1

0.274

Perineal trauma b

Intact or 1st degree tear

263 (96.0)

230 (83.2)

12.8

<0.001

2nd degree tear

7 (2.6)

32 (11.5)

−8.9

3rd or 4th degree tear

0

2 (0.7)

−0.7

Episiotomy

4 (1.5)

13 (4.7)

−3.2

Low birth weight (<2500g)

 

46 (12.5)

60 (14.5)

−2.0

0.425

Post partum haemorrhage (>500mls blood loss)

 

44 (12.3)

46 (11.5)

0.8

0.738

NICU admission a

 

58 (15.9)

90 (21.8)

−5.9

0.036

Feeding at discharge a

Breast milk

234 (69.4)

262 (72.2)

−2.7

0.248

Breast & formula

27 (8.0)

22 (6.1)

2.0

Formula

73 (21.7)

70 (19.3)

2.4

Gavage

3 (0.9)

9 (2.5)

−1.6

  1. a Excluding stillbirths b Excluding Caesarean sections.