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Table 3 Allele Association of COMT SNP rs4680

From: A novel SNP in COMT is associated with alcohol dependence but not opiate or nicotine dependence: a case control study

Sample Allele frequency χ2 p-value* Odds Ratio 95% CI
  G A     
Controls 194 244     
Nicotine dependence 126 154 0.035 0.852 1.03 0.76-1.39
Opiate dependence 110 112 1.639 0.200 1.24 0.89-1.71
Alcohol dependence 231 223 3.880 0.049 1.30 1.00-1.69
  1. * p-value determined by Pearson's chi-squared test (DF = 1)