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Table 5 Multivariate Cox regression analysis of survival

From: Lymph-node ratio is an independent prognostic factor in patients with stage III colorectal cancer: a retrospective study from the Middle East

  Univariate Multivariate
Characteristics HR 95% CI P-value HR 95% CI P-value
Age, years       
  < 50 1 0.385 to 3.051 0.879 1 0.51 to 4.68 0.44
 50 – 60 1.084 0.607 to 3.872 0.366 1.54 0.46 to 4.2 0.57
 60 – 70 1.533 0.938 to 6.459 0.067 1.39 0.97 to 9.12 0.06
  > 70 2.462    2.98   
Gender       
 Female 1 0.499-2.008 0.998 1 0.39 to 2.25 0.88
 Male 1.001    0.93   
LNR       
  ≤ 0.4 1 1.472 to 6.234 0.003 1 1.25 to 22.12 0.02
  > 0.4 3.03    5.25   
Stage       
 IIIA 1 0.318 to 5.956 0.668 1 0.24 to 5.63 0.86
 IIIB 1.377 0.836 to 17.67 0.084 1.15 0.21 to 14.64 0.60
 IIIC 3.842    1.76   
Positive LN       
 1 – 3 1 0.993 to 4.185 0.052 1 0.12 to 2.08 0.35
  ≥ 4 2.039    0.51   
Adj chemo       
 No 1 0.279 to 1.235 0.16 1 0.21 to 1.27 0.15
 Yes 0.586    0.52   
  1. Adj chemo, adjuvant chemotherapy; LN, lymph node; LNR, lymph-node ratio.