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Table 2 Univariate and multivariate analyses of CPH model for prognosis in GC patients

From: Survival analysis in gastric cancer: a multi-center study among Iranian patients

  Univariate Multivariate
HR P HR P
Age (year)
  < 60 Ref -  
  > 60 1.006 0.03 1.01 0.018
Sex
 Male Ref* -  
 Female 1.22 0.004  
Marital status
 Unmarried Ref -  
 Married 1.03 0.84  
Education
 Illiterate Ref -  
 Less than diploma 0.94 0.6  
 University 0.82 0.17  
Family history
 Yes Ref -  
 No 1.09 0.23  
BMI
  < 18 1.66 < 0.001 2.45 < 0.001
 18–25 0.98 0.87 1.08 0.65
  > 25 Ref  
Smoking status
 No Ref -  
 Yes 1.22 0.004  
Tumor type
 Other Ref -  
 Adenocarcinoma 0.8 0.11  
 Lymphoma 0.6 0.01  
Lymph node
 N1 Ref -  
 N2 1.4 0.002  
 N3 1.27 0.19  
Metastasis
 No Ref -  
 Yes 1.3 < 0.001  
Treatment
 Chemotherapy+ radiotherapy Ref -  
 Surgery+ chemotherapy 0.58 0.001 0.79 0.011
 Surgery 0.95 0.58 0.85 0.052
Tumor size
 T1 Ref -  
 T2 1.5 < 0.001 2.43 0.002
 T3 3.6 < 0.001 2.77 0.001
Grade
 Undifferentiated Ref -  
 Well 0.73 0.004 0.650192
 Moderate 0.83 0.088 0.38 < 0.001
 Poorly 0.96 0.77 0.68 0.129
  1. Abbreviations: HR: Hazard Ratio, Ref Reference group