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Table 2 Kendall correlation coefficients for the relationship between leukocyte global DNA methylation and ancestral components and age

From: Effect of genetic ancestry on leukocyte global DNA methylation in cancer patients

  Na Age Na European Native American African
Melanoma 86 −0,023     
 Cases 41 −0.140 28    0.184 −0.204 −0.132
 Controls 45 −0.034 39 −0.125    0.153    0.000
Breast cancer 169 −0.028     
 Cases 80 −0.008 78    0.124 −0.062 −0.199b
 Controls 89    0.064 89 −0.024    0.080 −0.074
Total samples       
 Cases 121 −0.049 106    0.169b −0.127 −0.187c
 Controls 134    0.072 128    0.017    0.045 −0.098
  1. aIndividuals with DNA methylation data but without age and/or ancestry data were removed from this analysis
  2. bp < 0.01
  3. cp < 0.005