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Table 2 Multivariate analysis (Cox regression) of independent prognostic factors in patients with colorectal cancer

From: Fast simultaneous detection of K-RASmutations in colorectal cancer

   Harzard Ratio 95% CI p-value
Mutation Codon 12 1st base - 1.0 1.14 to 4.71 0.002
  + 2.3   
Codon 13 2nd base - 1.0 1.09 to 3.58 0.025
  + 2.0   
Tumor size <= 3 cm 1.0 0.60 to 1.48 0.803
  >3 cm 0.9   
Grade well 1.0 0.26 to 2.69 0.762
  moderate/poor 0.8   
Lymph node metastasis - 1.0 1.33 to 2.86 0.001
  + 2.0