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Table 1 Percentage frequencies of the most common copy number events in LGD, HGD and SCC samples

From: The genomic road to invasion—examining the similarities and differences in the genomes of associated oral pre-cancer and cancer samples

  LGD HGD SCC P value
3p loss 28.95 72.46 0.72 0.3994
4p loss 13.16 44.93 0.33 0.9453
5q loss 23.68 69.57 0.56 0.9787
9p loss 26.32 65.22 0.50 0.7044
11 pq loss 18.42 50.72 0.36 0.7893
18q loss 7.89 42.03 0.50 0.0646
3q gain 36.84 68.12 0.60 0.2041
5p gain 39.47 62.32 0.51 0.0428
7 pq gain 39.47 47.83 0.50 0.0067
8q gain 50.00 57.97 0.59 0.0009
12p gain 7.89 31.88 0.36 0.2404
Expected 12 38 30  
  1. The p values that each event differs from the expected frequencies were calculated from the overall fraction of genome altered and total sample number for each group using a chi-squared test. As 11 regions were tested, p values below 0.0045 are considered significant