Table 1.

KRAS codon 12 and 13 mutations and clinical characteristics

AllMutant KRASWild-type KRASP
Total482102 (21%)380 (79%)
Men197 (41%)40 (39%)157 (41%)0.73*
Women285 (59%)62 (61%)223 (59%)
Never smokers81 (17%)12 (12%)69 (18%)0.14*
Former/current smokers401 (83%)90 (88%)311 (82%)
Age, median (range)68 (30-89)68 (33-85)67 (30-89)0.98
  • * Fisher's exact test.

  • Wilcoxon rank sum test.