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Table 1 Patient characteristics for fetal growth restriction and control cohorts

From: Quantifying circulating hypoxia-induced RNA transcripts in maternal blood to determine in uterofetal hypoxic status

 

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

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