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. 2016 Dec;7(6):968–973. doi: 10.21037/jgo.2016.11.04

Table 3. Cox proportional hazards adjusting for age, sex, race, marital status, stage, and radiotherapy status.

Variable HR 95% CI P value
Age
   <65 years Ref
   65+ years 1.652 1.410–1.937 0.000
Sex
   Female Ref
   Male 1.528 1.310–1.782 0.000
Race
   White Ref
   Black 1.354 1.125–1.629 0.001
Marital status
   Married Ref
   Single 1.620 1.348–1.946 0.000
   Other (S/D/W/U) 1.777 1.478–2.138 0.000
Stage
   Localized Ref
   Regional 2.427 2.102–2.802 0.000
Radiotherapy
   RT Ref
   None 1.220 1.013–1.470 0.036

Ref, reference; RT, radiotherapy; S/D/W/U, separated/divorced/widowed/unmarried or domestic partner; HR, hazard ratio; CI, confidence interval.