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. 2017 Jun 21;7(5):e015218. doi: 10.1136/bmjopen-2016-015218

Table 2.

Maternal outcomes

Specialist
n=511
Standard
n=502
p Value
Pre-existing comorbidities
 Type 2 diabetes, n (%) 2 (0.4) 12 (2.4) 0.008
Hypertensive complications 0.27
 Chronic hypertension, n (%) 16 (1.6) 11 (1.1)
 Gestational hypertension, n (%) 18 (1.8) 16 (1.6)
 Pre-eclampsia, n (%) 31 (3.1) 25 (2.5)
Gestational diabetes*
 Screening/diagnostic test performed, n (%) 496 (100) 356 (73.6) <0.001
 Prevalence, n (%) 129 (26.0) 61 (12.5) <0.001
Labour and delivery
 Onset labour, n (%) 0.009
  No labour 111 (21.7) 109 (21.7)
  Spontaneous onset 204 (39.9) 243 (48.4)
  Induction 196 (38.4) 150 (29.9)
 Delivery method, n (%)
  Elective caesarean 103 (20.2) 89 (17.7) <0.001
  Emergency caesarean 122 (23.9) 102 (20.3)
  Instrumental 56 (11.0) 23 (4.6)
  Spontaneous vertex 229 (44.9) 288 (57.4)
 Blood loss at delivery (mL; mean (SD)) 575 (464) 465 (387) <0.001
Obstetric triage attendances, n(%) <0.001
 0 108 (21.1) 229 (45.6)
 1 132 (25.8) 104 (20.7)
 2 93 (18.2) 70 (13.9)
 3 or more 172 (33.7) 93 (18.5)
*

Denominator excludes women with pre-existing diabetes (type 1 or 2) or those who were not managed at the tertiary referral centre. In women who attended for specialist and standard care, the prevalence is based on blood glucose levels and not the clinical diagnosis recorded in the notes.