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Table 1 Maternal and fetal characteristics of the UCB study cohort

From: The idiopathic preterm delivery methylation profile in umbilical cord blood DNA

Clinical parameter Preterm delivery Term delivery P-value
Number of samples 11 11 1**
Nulliparous 5 (50 %) 6 (55 %) 0.99**
Received antenatal glucocorticoids 9 (82 %) 0 (0 %) 0.0002**
Parturition initiated with spontaneous labor 7 (64 %) 7 (64 %) 1**
Parturition initiated with spontaneous rupture of membranes 4 (36 %) 4 (36 %) 1**
Labor induced or stimulated with oxytocin 5 (45 %) 7 (64 %) 0.67**
Mean gestational age at delivery in weeks + days (range) 29+6 (26+3 – 36+4) 39+6 (38+0 - 41+4) 3.83E-07*
Male neonate 5 (45 %) 6 (55 %) 0.99**
Neonatal weight (g) 1550 (990–2615) 3320 (2525–4215) 7.85E-07*
Neonatal birth weight percentile <10 0 (0 %) 3 (9.09 %) 0.21**
Maternal age 28 (19–35) 28 (19–36) 0.51*
  1. Data are represented as numbers (%) median (range)
  2. Abbreviations: n.s. not significant
  3. P-values were calculated by unpaired student’s T-test* and Fisher’s exact test** as applicable