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. 2014 Feb 5;14:64. doi: 10.1186/1471-2407-14-64

Table 1.

Patient characteristics

Characteristic Non-recurrent
 Metachronous metastasis
 p-value 1
absolute % absolute %
Total number
 33
  
 12
  
  
Age [years]
 n.s.
  Mean
 65
  
 68
  
  
  Median
 67
  
 67
  
  
Disease-free survival time [months]
 0.000
  Mean
 78
  
 17
  
  
  Median
 77
  
 13
  
  
Gender
  
  
  
  
 n.s.
  Female
 14
 42,4
 8
 66,7
  
  Male
 19
 57,6
 4
 33,3
  
UICC stage
 n.s.
  I
 6
 18,2
 2
 16,7
  
  II
 18
 54,5
 8
 66,7
  
  III
 9
 27,3
 2
 16,7
  
Location
 n.s.
  Colon
 14
 42,4
 5
 41,7
  
  Sigma
 16
 48,5
 4
 33,3
  
  Rectum 3 9,1 3 25  

1The given p-value refers to the significance of the correlation of the respective characteristic with disease-free survival time and was calculated using a two-sided t-test. n.s., not significant.