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Table 2 Number and frequency of autosomal heteromorphisms in different groups

From: C-banding and AgNOR-staining were still effective complementary methods to indentify chromosomal heteromorphisms and some structural abnormalities in prenatal diagnosis

Group Chromosome heteromorphisms
No. of cases 1/9/16/19qh± D/G variation inv(9) Total of heteromorphisms (n; %) Chi-square test
Group Aa 131 4 (3.05%) 4 (3.05%) 2 (1.53%) 10 (7.63%) Pearson χ2=0.783 p>0.05
Group Bb 2839 73 (2.57%) 65 (2.29%) 26 (0.92%) 164 (5.78%)
Total 2970 77 (2.59%) 69 (2.32%) 28 (0.94%) 174 (5.86%)
  1. *Significant at p < 0.05.
  2. athe recurrent spontaneous abortion group
  3. bthe control group