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Table 4 Estimated p53 haplotype frequencies in SCCHN patients and controls.

From: A case-control study on the combined effects of p53 and p73 polymorphisms on head and neck cancer risk in an Italian population

  Alleles ‡1 - 1 - 1 1 - 1 - 2^ 1 - 2 - 1 1 - 2 - 2 2 - 1 - 1 2 - 1 - 2 2 - 2 - 1 2 - 2 - 2
Intr 3-ex 4-intr 6          
Cases 566 0.705 0.034 0.067 0.120 0.040 0.014 0.019 0.101
Controls 590 0.696 0.020 0.068 0.053 0.026 0.005 0.008 0.123
  1. p-value of χ2-test: cases versus controls > 0.1
  2. ‡ 1 = intron 3 (W), exon 4 Arg, intron 6 G
  3. ^ 2 = intron (M), exon 4 Pro, intron 6 A