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Table 3 Performance of estimated fetal weight (EFW) z-scores trajectory, EFW z-scores velocity between each stage, and EFW z-scores at each scan for predicting small for gestational age (SGA) delivered at term

From: The value of fetal growth trajectory during pregnancy in predicting small for gestational age neonates at term

Predictors

AUC (95% CI)

P valuea

Brier scores

Growth trajectory

0.76 (0.73,0.80)

NA

0.067

Growth velocity

 Growth velocity1

0.60 (0.55,0.65)

< 0.001

0.076

 Growth velocity2

0.61 (0.57,0.66)

< 0.001

0.076

 Growth velocity3

0.69 (0.65,0.73)

0.009

0.074

EFW z-scores

 EFW z-scores of 23–24 weeks

0.72 (0.68,0.76)

0.019

0.073

 EFW z-scores of 31–32 weeks

0.78 (0.74,0.82)

0.185

0.069

 EFW z-scores of 37–39 weeks

0.88 (0.86,0.91)

< 0.001

0.060

  1. Growth velocity1, growth velocity between 23–24 to 31–32 weeks of gestation
  2. Growth velocity2, growth velocity between 31–32 to 37–39 weeks of gestation
  3. Growth velocity3, growth velocity between 23–24 to 37–39 weeks of gestation
  4. AUC area under receiver operating characteristics curve
  5. aThe AUC was compared with the Delong test
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BMC Pregnancy and Childbirth

ISSN: 1471-2393

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