Table 3.
Multivariate Cox Regression analysis of HR for OS in patients with squamous cell carcinoma of the tongue.
| 95% CI |
||||
|---|---|---|---|---|
| Covariatesa | HR | Lower | Upper | P value |
| RDW (<13.5% vs. ≥ 13.5%) | 3,43 | 1,62 | 7,25 | 0,001 |
| Addition of chemotherapy | 0,35 | 0,15 | 0,84 | 0,018 |
| Tumor location (base vs. anterior) | 1,79 | 0,92 | 3,43 | 0,086 |
| RBC (mln/μl) | 0,41 | 0,13 | 1,27 | 0,121 |
| HGB (g/dl) | 1,03 | 0,69 | 1,55 | 0,871 |
a
The analysis includes parameters that were significantly correlated with OS in a univariate analysis at a p < 0.05 level of significance. The complete list of variables included in the univariate analysis is presented in the 3rd paragraph of the Results section.