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 | ||