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Table 8 The false positive rate necessary to achieve prediction of 85%, 90% and 95% SGA neonates

From: Prediction of small-for-gestational-age neonates at 33–39 weeks’ gestation in China: logistic regression modeling of the contributions of second- and third-trimester ultrasound data and maternal factors

screening test

FPR for 85% DR (%)

FPR for 90% DR (%)

FPR for 95% DR (%)

SGA born at any stage

 SGAp

11.8 (11.3–12.3)

16.4 (15.9–17.0)

27.8 (27.1–28.4)

 AC-M

22.0 (21.4–22.6)

29.9 (29.3–30.6)

38.7 (38.1–39.4)

 EFW-M

19.3 (18.7–19.8)

24.4 (23.8–25.1)

33.1 (32.5–33.8)

 EFW-M plus MF

17.2 (16.7–17.8)

20.9 (20.3–21.5)

31.1 (30.5–31.8)

SGA born within 2 weeks

 SGAp

9.4 (8.6–10.2)

12.4 (11.5–13.3)

22.0 (20.9–23.1)

 AC-M

13.2 (12.3–14.1)

23.0 (21.9–24.1)

32.7 (31.5–33.9)

 EFW-M

13.1 (12.2–14.0)

18.0 (17.0–19.0)

26.2 (25.0–27.3)

 EFW-M plus MF

12.6 (11.7–13.5)

17.0 (16.0–18.0)

26.1 (25.0–27.3)

  1. AC-M, AC MoM value at 33+0 ~ 39+6 weeks; EFW-M, EFW MoM value at 33+0 ~ 39+6 weeks; EFW-M plus MF, EFW-M plus maternal factors