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Table 2 Overall survival rates OAS (Kaplan-Meier) of patients with T4 UICC II colorectal cancer. Patients over 80 years of age were excluded

From: Benefit of adjuvant chemotherapy in patients with T4 UICC II colon cancer

Group Chemotherapy Number   Overall survival rate OAS Log-Rank
   Total Events 5 years (%) Median OAS (m) P-value
All patients (deceased within 30 days excluded) + CTX 79 14 81.7 <0.001
  −CTX 161 56 51.7 63.3  
Deceased within 60 days excluded + CTX 79 14 81.7 0.002
  −CTX 156 51 53.7 79.3  
Deceased within 90 days excluded + CTX 79 14 81.7 95.5 0.006
  −CTX 152 47 55.4 79.3  
Age at diagnosis < 60 years + CTX 25 5 90.9  
  −CTX 24 4 70.0 0.726
Age at diagnosis 60 − 69 years + CTX 28 4 77.8 0,011
  −CTX 61 25 44.9 53.5  
Age at diagnosis 70–79 years + CTX 26 5 77.0 0.064
  −CTX 76 27 52.0 63.6  
Tumor grading G2 + CTX 56 8 87.0 0.009
  −CTX 125 39 60.0 89.0  
Tumor grading G3 + CTX 23 6 68.9 95.5 0.014
  −CTX 36 17 23.4 42.9