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Table 1 Summary statistics for dataset

From: Application of Neural Networks for classification of Patau, Edwards, Down, Turner and Klinefelter Syndrome based on first trimester maternal serum screening data, ultrasonographic findings and patient demographics

  Male Female
Gender 52.5% 47.5%
  Min Max Mean
Maternal age 16 49 31.5
Syndrome classification data
  Training dataset Subsequent validationdataset Total number of samples Percentage of the overall dataset
Prenatal syndrome samples 800 200 1000 40%
Normal samples 1200 300 1500 60%
Down Syndrome 292 73 243 24.31%
Edwards Syndrome 230 142 192 19.17%
Kleinfelter Syndrome 322 80 268 26.83%
Turner Syndrome 194 48 161 16.11%
Patau Syndrome 162 41 136 13.58%