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Table 6 Effect of CYP1A1 polymorphisms on lung cancer staging

From: Genetic polymorphisms of human cytochrome P450 CYP1A1 in an Egyptian population and tobacco-induced lung cancer

CYP1A1 gene variant Stage Likelihood P-value
II III IV
N = 25 N = 44 N = 80
  CYP1A1*2C N (%) 19 (4) 5 (11) 11(14) 10.22 0.333
  CYP1A1*4 N (%) 9 (36) 15 (34) 22 (28)
  CYP1A1*2C/*4 N (%) 1 (4) 0 (0) 3 (4)
  CYP1A1*1 (wild type) N (%) 14 (56) 24 (55) 44 (55)