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Table 2 Comparison of lymph node ratio (LNR) and pN category of the TNM system for disease-free survival (DFS) and cancer-related survival (CRS)

From: Is the lymph node ratio superior to the Union for International Cancer Control (UICC) TNM system in prognosis of colon cancer?

   DFS (%) Mean DFS (years)a 95% CI* P
LNR <0.20 73.9 7.54 6.60 to 8.48 0.008
≥0.20 53.8 5.35 4.05 to 6.65
N 1 78.8 8.07 7.13 to 9.02 < 0.001
2 50.0 4.85 3.82 to 5.87
   CRS (%) Mean CRS (years) * 95% CI* P
LNR <0.20 78.4 7.92 7.01 to 8.84 0.007
≥0.20 55.8 5.85 4.61 to 7.09
N 1 78.8 8.18 7.23 to 9.13 0.002
  2 58.1 5.41 4.53 to 6.29  
  1. aEstimation is limited to longest follow-up time.