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Table 3 Univariate and multivariate analysis of overall survival

From: The short-term and oncologic outcomes of younger VS older colorectal cancer patients undergoing primary surgery: a propensity score matching analysis

Risk factors Univariate analysis Multivariate analysis
HR (95% CI) P value HR (95% CI) P value
Age (older/ younger) 1.800 (1.313-2.468) <0.001* 2.303 (1.658-3.199) <0.001*
Sex (female/male) 0.865 (0.744-1.007) 0.061   
BMI (>/≤22.6) 0.842 (0.726-0.977) 0.023* 0.889 (0.766-1.032) 0.121
Hypertension (yes/no) 1.096 (0.927-1.294) 0.284   
T2DM (yes/no) 1.284 (1.037-1.589) 0.022* 1.136 (0.916-1.410) 0.245
Tumor site (colon/ rectum) 1.182 (1.020-1.370) 0.026 1.156 (0.997-1.340) 0.054
Tumor stage (IV/III/II/I) 2.138 (1.937-2.360) <0.001* 2.141 (1.940-2.363) <0.001*
Smoking (yes/no) 1.124 (0.968-1.306) 0.126   
Drinking (yes/no) 1.102 (0.942-1.290) 0.226   
CHD (yes/no) 1.338 (0.943-1.899) 0.102   
Overall complications (yes/no) 1.807 (1.548-2.108) <0.001* 1.607 (1.363-1.893) <0.001*
Major complications (yes/no) 2.900 (2.130-3.948) <0.001* 2.303 (1.658-3.199) <0.001*
  1. Note: *P-value <0.05
  2. Abbreviations: HR Hazard ratio; CI confidence interval; BMI body mass index; T2DM type 2 diabetes mellitus; CHD coronary heart disease