Table 3 Multivariate analysis of OS with the Cox proportional hazards model
From: ABO blood group is a predictor of survival in patients with laryngeal cancer
Variable | Hazard ratio | 95% CI | P |
|---|---|---|---|
Alcohol consumption | 1.218 | 1.009–1.470 | 0.040 |
Tumor differentiation | 1.201 | 1.057–1.365 | 0.005 |
Primary site | 0.889 | 0.738–1.071 | 0.215 |
T category | 1.334 | 1.213–1.468 | <0.001 |
ABO blood group | 1.101 | 1.023–1.184 | 0.010 |
Sex | 0.425 | 0.175–1.034 | 0.059 |
Age | 1.877 | 1.558–2.260 | <0.001 |
Smoking index | 1.122 | 0.934–1.349 | 0.220 |
N category | 2.203 | 1.749–2.774 | <0.001 |