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Table 4 Univariate and multivariable analysis of factors associated with cancer-specific 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 0.985 (0.924–1.050) 0.635 0.992 (0.929–1.059) 0.810
Race
 White 1 0.131 1 0.124
 Black 1.068 (0.977–1.167) 0.146 1.011 (0.924–1.107) 0.809
 Others 0.933 (0.831–1.046) 0.233 0.889 (0.791–0.999) 0.048
Insurance status
 Uninsured 1 0.001 1 0.010
 Insured 0.768 (0.660–0.895) 0.001 0.832 (0.714–0.970) 0.018
 Medicaid 0.837 (0.705–0.993) 0.041 0.767 (0.645–0.911) 0.002
Marital status
 Single/Widowed/Separated/Divorced 1   1  
 Married/Partner 0.833 (0.782–0.888) 0.000 0.945 (0.884–1.010) 0.097
Surgery
 None 1   1  
 Surgery 0.531 (0.497–0.567) 0.000 0.488 (0.456–0.522) 0.000
Radiation
 None/Unknown 1   1  
 Yes 1.086 (0.937–1.259) 0.274 1.036 (0.893–1.201) 0.640
Chemotherapy
 None/Unknown 1   1  
 Yes 0.384 (0.360–0.410) 0.000 0.358 (0.334–0.383) 0.000