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Table 1 Characteristics of colon and rectal cancer patients

From: Impact of primary colorectal Cancer location on the KRAS status and its prognostic value

  Colon (n = 178) Rectal (n = 145) t/χ2 value P value
Gender 0.209 0.648
 Male 116 98   
 Female 62 47   
Mean age 57.62 ± 12.67 59.57 ± 11.89 1.359 0.175
KRAS status 0.730 0.393
 Mutation 62 44   
 Wild-type 116 101   
Differentiation 4.617 0.099
 Poor 34 22   
 Moderate 137 122   
 High 7 1   
Tumor infiltration 10.064 0.018
 T1 2 8   
 T2 19 27   
 T3 32 21   
 T4 125 89   
Nodal status 2.503 0.286
 N0 62 63   
 N1 57 40   
 N2 59 42   
Distant metastases 3.388 0.066
 M0 113 106   
 M1 65 39   
AJCC stage 5.631 0.131
 I 13 20   
 II 41 36   
 III 58 49   
 IV 66 40