Table 1

Patient characteristics for fetal growth restriction and control cohorts
FGR (n = 20) Control (n = 30) P =
Maternal age (yrs)a 30.4 (5.9) 29.5 (.8) 0.65
Parity (% primiparous) 66 66 1.00
Gestational age at delivery (weeks)a 29 + 5 (21) 40 + 1 (10) <0.0001
Gestational age at sampling (weeks)a 29 + 5 (21) 29 + 0 (18) 0.33
Mode of birth (%) Vaginal 0 70 <0.0001
Instrumental 0 10
Caesarean section 100 20
Birthweight (gms)a 885 (273) 3,403 (244) <0.0001
Birthweight centilea 3 (3) 45 (16) <0.0001
Five-minute Apgar scorea 7 (1) 9 (1) <0.001
Neonatal admission (%) 100 7 <0.0001
Perinatal death (%) 13 0 0.10
Smoking (%) 13 0 0.10
Gestational hypertension/pre-eclampsia (%) 40 0 <0.001
Pre-gestational diabetes (%) 6 0 0.03
Umbilical artery Doppler USS waveforms (%) REDFb 30 n/a
AEDFc 40
SDRd 30

FGR, fetal growth restriction; aMean (SD), bReversed End Diastolic Flow, cAbsent End Diastolic Flow, d(Raised) Systolic/Diastolic Ratio.

Whitehead et al.

Whitehead et al. BMC Medicine 2013 11:256   doi:10.1186/1741-7015-11-256

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