Table 2 -.
Distant metastasis-free survival – MV
| Distant metastasis-free survival (years) | |||
|---|---|---|---|
| - | |||
| Covariate | Level | Hazard Ratio | HR P-value |
| p16 status | Negative | 1.60 (1.01–2.53) | 0.044 |
| Positive | - | - | |
| T stage | T4 | 1.63 (1.05–2.54) | 0.030 |
| T2/T3 | - | - | |
| N stage | N3 | 2.64 (1.50–4.65) | <.001 |
| N0/N1/N2 | - | - | |
| Age | >=50 | 3.28 (1.51–7.11) | 0.003 |
| <50 | - | - | |
| Smoking history (pack-years) | >0 | 3.09 (1.62–5.88) | <.001 |
| 0 | - | - | |
*
Number of observations in the original data set = 547. Number of observations used = 547.
**
Backward selection with an alpha level of removal of 0.1 was used. The following variables were removed from the model: Gender.