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Table 4 Allele frequency of (CA)n polymorphism in the LIMD1 gene in head and neck cancer cases and control

From: LIMD1 is more frequently altered than RB1 in head and neck squamous cell carcinoma: clinical and prognostic implications

Allele No of (CA)n repeats Case Control P #
   No. of alleles % No. of alleles %  
(CA)9 9 7 2.38 11 2.94 0.6571
(CA)13 13 4 1.36 35 9.36 0.00012
(CA)17 17 23 7.82 46 12.29 0.0592
(CA)19 19 97 32.99 169 45.19 0.00139
(CA)20 20 66 22.45 36 9.63 0.000005
(CA)21 21 21 7.14 15 4.01 0.075134
(CA)24 24 30 10.2 23 6.15 0.05427
(CA)26 26 2 0.68 15 4.01 0.0067
(CA)27 27 19 6.46 13 3.48 0.0728
(CA)30 30 10 3.4 6 1.6 0.1316
(CA)32 32 14 4.76 5 1.34 0.0082
(CA)38 38 1 0.34 0 0 0.259
Total no. of alleles   294 100 374 100  
   χ2 = 29.175, df = 11, P= 0.0021  
  Genotype Case % Control % P #
  (CA)17/(CA)17 6 9.23 11 15.94 0.2434
  (CA)19/(CA)19 33 50.76 56 81.16 0.0002
  (CA)20/(CA)20 19 29.23 2 2.89 0.00003
  (CA)21/(CA)21 5 7.69 0 0 0.0247
  (CA)24/(CA)24 1 1.54 0 0 0.4851
  (CA)32/(CA)32 1 1.54 0 0 0.4851
  1. # From Fisher's exact test.
  2. OR, Odds ratio
  3. CI, Confidence interval