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Table 1 Maternal characteristics, pregnancy and neonatal outcomes for overweight and obese nulliparous women according to mode of delivery

From: Elevated maternal lipids in early pregnancy are not associated with risk of intrapartum caesarean in overweight and obese nulliparous women

  Vaginal delivery 1ststage caesarean for failure to progress P
N = 840 (81%) N = 196 (19%)
Maternal characteristic    
Body mass index (kg/m2)
[median (IQR)]
28.0 (25.4-31.3) 29.7 (27.0-32.7) <0.001
Age (years) 27.1 ± 5.6 28.9 ± 5.9 <0.001
Ethnicity    0.18
European 732 (87) 179 (91)  
Socioeconomic index 38 ± 16 39 ± 15 0.35
Smoking at 14–16 weeks 103 (12) 22 (11) 0.69
Unmarried 77 (9) 13 (7) 0.26
Maternal height (cm) 166 ± 6.4 163 ± 5.8 <0.001
Private obstetric care 83 (10) 28 (14) 0.07
Pregnancy complications    
Gestational diabetes* 26 (3) 12 (6) 0.11
Gestational hypertension 85 (10) 25 (13) 0.28
Preeclampsia 46 (5) 16 (8) 0.15
Serum lipids    
Total Cholesterol 5.55 ± 0.92 5.67 ± 0.85 0.10
LDL- Cholesterol 3.10 ± 0.82 3.18 ± 0.75 0.20
HDL§- Cholesterol 1.75 ± 0.36 1.75 ± 0.34 0.87
Total Cholesterol: HDL ratio 3.29 ± 0.80 3.34 ± 0.76 0.42
Triglycerides 1.55 ± 0.63 1.62 ± 0.63 0.16
Labor and delivery    
Induction of labour 259 (31) 100 (51) <0.001
Gestation at delivery (weeks) 39.6 ± 1.2 39.9 ± 1.2 0.002
Gestation at delivery ≥ 41 weeks 205 (24) 71 (36) 0.002
Neonatal outcomes    
Birthweight (g) 3500 ± 445 3734 ± 484 <0.001
Customised birthweight centile 44 ± 28 57 ± 29 <0.001
Small for gestational age 91 (11) 12 (6) 0.05
Large for gestational age 56 (7) 32 (16) <0.001
  1. Data are n (%) or mean ± standard deviation unless otherwise stated.
  2. * Unknown n=40.
  3. mmol/L.
  4. low density lipoprotein.
  5. § high density lipoprotein.
  6. By customised birthweight centiles.