Table 1 Baseline comparisons between KRAS wildtype and KRAS mutant patients.

From: Random survival forests identify pathways with polymorphisms predictive of survival in KRAS mutant and KRAS wild-type metastatic colorectal cancer patients

 

KRAS wildtype (n = 345)

KRAS mutant (n = 141)

p value

N

%

n

%

Cohort

    

< 0.001

 TRIBE arm A

96

28

93

66

 

 FIRE3 Bev arm

249

72

48

34

 

Gender

    

0.39

 Male

220

64

84

60

 

 Female

125

36

57

40

 

Age (years)

     

 Median (range)

63 (29–76)

62 (33–75)

   

 ≤ 65

189

55

83

59

0.41

 > 65

156

45

58

41

 

Performance status

    

0.004

 ECOG 0

212

61

106

75

 

 ECOG ≥ 1

133

39

35

25

 

Primary tumor site

    

0.75

 Right-sided colon

84

25

23

27

 

 Left-sided colon

251

75

63

72

 

 Unknown*

10

 

55

  

Primary tumor resected

    

0.099

 Yes

280

81

105

74

 

 No

65

19

36

26

 

Adjuvant chemotherapy

    

0.39

 Yes

60

17

20

14

 

 No

285

83

121

86

 
  1. p value was based on Chi-square test.
  2. *Unknown group was not included in the analysis.