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Table 3 Disease-free survival and overall survival stratified by stage

From: A randomized phase III trial of adjuvant chemotherapy with irinotecan, leucovorin and fluorouracil versus leucovorin and fluorouracil for stage II and III colon cancer: A Hellenic Cooperative Oncology Group study

 

Arm A IRI+LV+5FU

Arm B LV+5FU

P(log-rank)

Stage B (n = 425)

   

Disease-free survival (DFS)

  

0.561

   Progressions, n (%)

36 (16.8)

35 (16.6)

 

   Median (months)

Not reached yet

Not reached yet

 

   three-year DFS (%)

86

83

 

   five-year DFS (%)

79

78

 

   seven-year DFS (%)

75

73

 

Overall survival (OS)

  

0.389

   Deaths, n (%)

39 (18.2)

46 (21.8)

 

   Median (months)

Not reached yet

Not reached yet

 

   three-year OS (%)

93

89

 

   five-year OS (%)

86

83

 

   seven-year OS (%)

80

78

 

Stage C (n = 448)

   

Disease-free survival (DFS)

  

0.515

   Progressions, n (%)

74 (32.6)

77 (34.8)

 

   Median (months)

106

104

 

   three-year DFS (%)

69

68

 

   five-year DFS (%)

60

57

 

   seven-year DFS (%)

57

52

 

Overall survival (OS)

  

0.539

   Deaths, n (%)

79 (34.8)

82 (37.1)

 

   Median (months)

Not reached yet

Not reached yet

 

   three-year OS (%)

83

83

 

   five-year OS (%)

71

68

 

   seven-year OS (%)

64

59

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