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Table 3 Baseline obstetric characteristics of the first 500 randomised patients in clinical trial. All values are absolute numbers (%) or mean (SD).

From: A randomised clinical trial on cardiotocography plus fetal blood sampling versus cardiotocography plus ST-analysis of the fetal electrocardiogram (STAN®) for intrapartum monitoring

  n = 254 n = 246
  CTG group CTG + ST group
Age at delivery (yrs) 32 ± 5 32 ± 5
Nulliparous 120 (47.2%) 130 (52.8%)
Previous ceasarean section 45 (17.7%) 30 (12.2%)
Gestational age at delivery (wks) 40 ± 1.5 40 ± 1.5
Prolonged pregnancy (> 42 gestational wks) 31 (12.2%) 24 (9.8%)
Induction of labour 82 (32.3%) 87 (35.4%)
Epidural analgesia 79 (31.1%) 73 (29.7%)
Meconium-stained amniotic fluid 62 (24.4%) 61 (24.8%)
Oxytocin augmentation 146 (57.5%) 156 (63.4%)
Birthweight (gr) 3506 ± 528.7 3501 ± 508.1