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Table 2 Maternal characteristics and pregnancy outcomes for macrosomia cases compared to controls

From: Screening circulating proteins to identify biomarkers of fetal macrosomia

 

Macrosomia

N = 52

Controls

N = 106

p

Age

33.8 (6.1)

32.6 (4.0)

0.15

Booking BMI

28.3 [24.1–33.7]

23.5 [21.4–26.3]

< 0.0001

Nulliparous

15 (28.8%)

46 (43.4%)

0.08

Smoking status

 Current smoking

1 (1.9%)

1 (0.9%)

0.77

 Ex-smoker

21 (23.1%)

21 (19.8%)

 Never smoked

39 (75%)

84 (79.2%)

GDM

4 (7.7%)

9 (8.5%)

1.00

Onset of labour

 Spontaneous

20 (38.5%)

53 (50.0%)

0.10

 Induced

13 (25.0%)

31 (29.2%)

 No labour

19 (36.5%)

22 (20.8%)

Mode of delivery

 Physiological vaginal

21 (40.4%)

53 (50.0%)

0.002

 Instrumental delivery

2 (3.8%)

21 (19.8%)

 Caesarean section

29 (55.8%)

32 (30.2%)

Gestation at delivery (weeks+days)

39+2 (1+0)

39+4 (1+1)

0.04

Birthweight (g)

4352 (348.1)

3487 (406.3)

< 0.0001

Birthweight centile

97.9 [96.5–99.4]

47.1 [26.5–67.6]

< 0.0001

  1. Data presented as mean (standard deviation) if normally distributed data, as median [interquartile range] if not normally distributed data, and as number (%) if categorical. Some percentages do not sum to 100% due to rounding to one decimal place
  2. BMI Body Mass Index, GA gestational age; GDM gestational diabetes mellitus