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Table 2 Univariate Analysis of 221 Patients with curative gastrectomy

From: Prognostic significance of metastatic lymph node ratio: the lymph node ratio could be a prognostic indicator for patients with gastric cancer

Variables Median survival (month) p value
Sex 0.824
 Male 44.0  
 Female 41.0
Age (years) 0.482
 ≥ 65 41.0  
 < 65 42.0
Grade < 0.001
  Well or moderately differentiated 61.0  
  Poorly differentiated 36.0
Location 0.405
  Lower 40.5  
  Middle 45.0
  Upper 50.0
T stage < 0.001
  T1 64.0  
  T2 59.0
  T3 41.5
  T4 25.0
N stage < 0.001
  N0 60.0  
  N1 47.0
  N2 31.0
  N3 18.5
TNM stage < 0.001
  I 62.0  
  II 47.0
  III 26.0
LN 0.895
  < 15 44.0  
  ≥ 15 41.5
LNR < 0.001
  0 60.0  
  0–0.13 47.0
  0.13–0.4 35.5
  > 0.4 17.0
  1. The depth of primary tumor invasion (T stage), classification of regional metastasis lymph nodes (N stage) and TNM stage were based on the 7th edition TNM staging system; LN: number of lymph nodes examined; LNR: ratio between the positive lymph nodes and the total number of lymph nodes examined