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Table 3 Univariate and multivariable analysis of factors associated with overall survival of elderly M1b colon cancer patients

From: The effect of marital and insurance status on the survival of elderly patients with stage M1b colon cancer: a SEER-based study

Variable Univariate Multivariable
  HR(95%CL) P HR(95%CL) P
Sex
 Male 1   1  
 Female 0.979 (0.927–1.035) 0.463 0.983 (0.929–1.041) 0.560
Race
 White 1 0.009 1 0.001
 Black 1.033 (0.956–1.116) 0.415 0.982 (0.907–1.063) 0.650
 Others 0.863 (0.779–0.956) 0.005 0.822 (0.741–0.912) 0.000
Insurance status
 Uninsured 1 0.045 1 0.068
 Insured 0.873 (0.759–1.004) 0.057 0.946 (0.822–1.089) 0.440
 Medicaid 0.938 (0.803–1.096) 0.423 0.865 (0.740–1.012) 0.070
Marital status
 Single/Widowed/Separated/Divorced 1   1  
 Married/Partner 0.828 (0.783–0.875) 0.000 0.940 (0.886–0.996) 0.037
Surgery
 None 1   1  
 Surgery 0.547 (0.516–0.579) 0.000 0.499 (0.471–0.529) 0.000
Radiation
 None/Unknown 1   1  
 Yes 1.075 (0.945–1.222) 0.274 1.029 (0.904–1.171) 0.666
Chemotherapy
 None/Unknown 1   1  
 Yes 0.366 (0.345–0.387) 0.000 0.341 (0.321–0.361) 0.000