Table 5

Clinicopathological characteristics of patients

EGFR mutationKRAS mutationWild typeTotal
No. patientsp-ValueNo. patientsp-ValueNo. patients
Total no. patients296677
Age
    Mean (max/min)71.5 (70/73)70 (56/82)68.4 (39/85)68.7 (39/85)
Sex
    Male174553
    Female10.54620.7092124
Histotypes
    Adenocarcinoma285161
    Non-adenocarcinoma1.00010.6791516
Staging
    I13233
    II–IV11.00090.0083444
Grading
    Well differentiated132226
    Moderately and poorly Differentiated11.00061.0004451
Smoking status
    Current/former185867
    Never10.24411.000810