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Table 3 Obstetric and neonatal outcome

From: False positive morphologic diagnoses at the anomaly scan: marginal or real problem, a population-based cohort study

  Total cohort False positives Misclassification True positives p1
  (n = 526) (n = 39) (n = 49) (n = 438)  
  % [m ± SD] % [m ± SD] % [m ± SD] % [m ± SD]  
Year of birth (n = 526) (n = 39) (n = 49) (n = 438)  
 2006 22.5 17.0 26.6 22.5 0.49
 2007 25.1 21.3 20.4 26.0  
 2008 28.1 34.0 28.6 27.4  
 2009 24.3 27.7 24.5 23.9  
Female (n = 526) 45.9 (n = 39) 44.7 (n = 49) 48.9 (n = 438) 45.7 0.89
Pregnancy outcome 2 (n = 526) (n = 39) (n = 49) (n = 438)  
 TOPFA< 21 weeks 2.3 0 4.2 2.3 0.39
 TOPFA ≥ 22 weeks 20.8 0 31.3 21.9 0.0001
 In utero fetal death 2.5 0 2.1 2.7 0.50
 Neonatal death 2.7 2.1 2.1 2.7 0.94
Term at birth (weeks) (n = 526) (n = 39) (n = 49) (n = 438)  
[35.5 ± 6.1] [39.4 ± 1.9] [34.2 ± 6.5] [35.2 ± 6.2] 0.001
Weight (g) (n = 526) (n = 39) (n = 49) (n = 438)  
[2588 ± 1134] [3272 ± 525] [2265 ± 1211] [2551 ± 1147] 0.001
IUGR (3 rd Percentile) (n = 482) (n = 39) (n = 44) (n = 399)  
4.9 2.1 9.1 4.8 0.03
Height (cm) (n = 526) (n = 39) (n = 49) (n = 438)  
[45.1 ± 7.7] [49.3 ± 2.1] [42.2 ±8.9] [44.9 ±7.8] 0.001
Type of malformation (n = 526) (n = 39) (n = 49) (n = 438)  
 Single 76.0 100 53.1 76.3 0.40
 Multiple 8.2 0 22.5 7.3  
 Syndrome with normal karyotype 4.3 0 8.2 4.3  
 Chromosomal anomalies 11.4 0 16.3 12.1  
  1. 1Comparison of 3 groups: False positives, Misclassifications, True positives.
  2. 2TOPFA (Termination Of Pregnancy for Fetal Anomaly).