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Table 5 Results of ultrasound abnormal group were compared

From: Application of chromosome microarray analysis in prenatal diagnosis

  Ultrasound soft index abnormal group (n = 119) Ultrasound structural malformation(n = 210) Other ultrasound abnormalities (n = 54) χ2 P value*
Abnormal karyotype detection rate n (%) 2 (1.68) 8 (3.81) 1 (1.85) 1.468 0.480
PCNVS detection rate n (%) 2 (1.68) 10 (4.76) 2 (3.70) 2.048, 0.359
VOUS detection rate n (%) 3(2.52) 13 (6.19) 4 (7.41) 2.670 0.268
  1. * Pearson Chi-Square significant < 0.05