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Table 4 Comparison of Estimated Fetal Weight by Ultrasound and Measured Birth Weight

From: Growth restriction in gastroschisis: quantification of its severity and exploration of a placental cause

 

Last ultrasound measurement (N = 61)a

Measurement at birth (N = 61)a

p-valueb

Weight (grams) median ( IQRc)

1956 (1607-2273)

2300 (2050-2660)

<0.001

Weight percentile median (IQR)

27 (8-38)

28 (10-42)

0.221

Gestational age (weeks) Median (IQR)

34 (33-36)

36 (34-37)

<0.001

  1. a There were 61 women who had an ultrasound exam at ≤ 3 weeks before delivery
  2. b P-value determined by signed-rank test. The data were skewed and therefore non-parametric tests were used for this small data set.
  3. c Interquartile range.