Table 3. Multivariate analysis of prognostic factors involved in survival.
Variables | β | P value1 | Hazard ratio | 95% confidence interval |
---|---|---|---|---|
Age | 0.051 | 0.130 | 1.053 | 0.985–1.125 |
Clinical stage (I-III vs IV)2 | −0.967 | 0.307 | 0.380 | 0.060–2.430 |
GTVnx | 0.017 | 0.156 | 1.017 | 0.994–1.041 |
PD-L1 H-score | 0.016 | 0.028* | 1.016 | 1.002–1.031 |
1Cox regression analysis. 2According to the 7th Edition of the AJCC/UICC Staging System for Nasopharyngeal Cancer. * P < 0.05.