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Table 2 Predictors of overall survival according to the univariate analysis

From: Prognostic significance of tumor markers in T4a gastric cancer

Factors (n) 5-year survival (%) Log-rank χ2 P
AFP   6.287 0.012
  ≥10 (16) 25.0   
  <10 (257) 38.9   
CEA   58.940 0.000
  ≥10 (44) 11.4   
  <10 (229) 43.2   
CA19-9   131.705 0.000
  ≥37 (89) 10.1   
  <37 (184) 51.6   
CA50   104.377 0.000
  ≥20 (81) 13.6   
  <20 (192) 48.4   
Sex   0.001 0.978
  Male (192) 38.5   
  Female (81) 37.0   
Age (years)   4.300 0.038
  ≤40 (26) 23.1   
  >40 (247) 39.7   
Tumor site   11.754 0.008
  Upper (90) 34.4   
  Middle (52) 34.6   
  Lower (124) 43.5   
  ≥Two-third (7) 14.3   
Tumor size   8.687 0.003
  ≤6 (178) 42.7   
  >6 (95) 29.5   
Borrmann type   10.158 0.017
  I (15) 40.0   
  II (8) 50.0   
  III (228) 39.0   
  IV (22) 22.7   
N stage   62.666 0.000
  N0 (49) 67.3   
  N1 (49) 53.1   
  N2 (52) 44.2   
  N3 (123) 17.9   
Nervous invasion   17.848 0.000
  + (197) 29.9   
  -(76) 59.2   
Lymphovascular invasion   17.242 0.000
  + (196) 30.6   
  -(77) 57.1   
Adjuvant chemotherapy   1.443 0.230
  Yes (223) 39.0   
  No (50) 34.0