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Table 1 Characteristics of mCRC patients.

From: Low Percentage of KRAS Mutations Revealed by Locked Nucleic Acid Polymerase Chain Reaction: Implications for Treatment of Metastatic Colorectal Cancer

  KRAS wild-type KRAS mutated
n 129 84
Age, median (range) 62 77
  (39–86) (37–88)
Sex   
M 74 46
F 55 38
Primary tumor site   
Colon 107 73
Rectum 22 11
Tissue for KRAS analysis   
Primary 105 69
Metastases 24 15