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Table 2 Demographic data and parameters concerning the mother and the delivery

From: Cardiotocography in breech versus vertex delivery: an examiner-blinded, cross-sectional nested case-control study

  Breech deliveries n = 108 Vertex deliveries n = 108 P value
Mean or n % or range Mean or n % or range  
Maternal age (years) 28.9 18, 44 29.7 18, 46 0.224
Duration of pregnancy (weeks + days) 39 + 5 37 + 0, 41 + 6 40 + 1 37 + 0, 42 + 2 0.007
Primiparous 75 69.4 53 49.1 0.002
Chronic illness 12 11.1 11 10.2 0.825
Gestational diabetes 12 11.1 7 6.5 0.230
Pre-eclampsia 3 2.8 2 1.9 0.651
Spontaneus vaginal delivery 84 77.8 84 77.8 1
Operative delivery 24 22.2 24 22.2 1
 - Vacuum extraction None   13 12.0 <0.001
 - Emergency CS 22 20.4 8 7.4 0.006
 - Rush emergency CS 2 1.9 3 2.8 0.651
Induction of labor 15 13.9 23 21.3 0.153
Neuraxial analgesia 72 66.7 79 73.1 0.299
Oxytocin augmentation 82 75.9 70 64.8 0.074
Uterine tachysystolea 20 18.5 18 16.7 0.721
  1. Legend: Comparison between breech and vertex intended vaginal deliveries in a Finnish tertiary hospital, 2007–2009
  2. aDefined as more than five contractions per 10 min