|
Variable
|
Category
|
Univariate Cox proportional hazards (95 % CI)
|
p-value*
|
Multivariate Cox proportional hazards (95 % CI)
|
p-value*
|
|---|
|
Overall mortality
|
|
Primary site
|
Non-oropharyngeal vs Oropharyngeal
|
1.128 (0.698–1.823)
|
0.6229
|
1.822 (1.025–3.238)
|
0.0408
|
|
COPD
|
Yes vs. No
| | |
2.022 (1.205–3.394)
|
0.0077
|
|
Prior Cancer
|
Yes vs. No
| | |
1.622 (0.980–2.683)
|
0.0599
|
|
Primary Treatment
|
Surgery vs. Chemotherapy/Radiation
| | |
0.367 (0.212–0.636)
|
0.0004
|
|
Stage
|
Stage 4 vs Other
| | |
2.117 (1.306–3.432)
|
0.0023
|
|
Age
|
Age ≥ 55 vs <55
| | |
1.721 (0.928–3.193)
|
0.0850
|
-
*α = 0.05, significant results in bold using Cox proportional hazard model
