Characteristics | Univariable analysis | P | Multivariate analysis | P |
---|---|---|---|---|
HR (95% CI) | HR (95% CI) | |||
Age (years) | Â | Â | Â | Â |
 < 45 | 1 (reference) |  |  |  |
 ≥ 45 | 1.090 (0.685-1.733) | 0.717 |  |  |
Sex | Â | Â | Â | Â |
 Male | 1 (reference) |  |  |  |
 Female | 1.372 (0.775-2.428) | 0.278 |  |  |
rEBV DNA (copies/ml) | Â | Â | Â | Â |
 Undetectable | 1 (reference) |  |  |  |
 Detectable | 1.612 (0.899-2.889) | 0.109 |  |  |
 Unkown |  |  |  |  |
rLactate dehydrogenase (U/L) | Â | Â | Â | Â |
 < 240 | 1 (reference) |  |  |  |
 ≥ 240 | 1.104 (0.347-3.518) | 0.867 |  |  |
 Unkown | / |  |  |  |
rC-reactive protein (mg/L) | Â | Â | Â | Â |
 < 10.5 | 1 (reference) |  | 1 (reference) |  |
 ≥ 10.5 | 2.784 (1.615-4.798) | <0.001 | 2.348 (1.336-4.127) | 0.003 |
rAlbumin (g/L) | Â | Â | Â | Â |
 < 39.4 | 1 (reference) |  | 1 (reference) |  |
 ≥ 39.4 | 0.195 (0.107-0.356) | <0.001 | 0.224 (0.120-0.418) | <0.001 |
rNLR | Â | Â | Â | Â |
 < 3.7 | 1 (reference) |  |  |  |
 ≥ 3.7 | 1.372 (0.855-2.203) | 0.190 |  |  |
 Unkown | / |  |  |  |
Treatment | Â | Â | Â | Â |
 Palliative treatment | 1 (reference) |  | 1 (reference) |  |
 Re-radiotherapy+Salvage Surgery | 0.340 (0.210-0.551) | <0.001 | 0.407 (0.249-0.666) | <0.001 |
PET/CT | Â | Â | Â | Â |
 No | 1 (reference) |  | 1 (reference) |  |
 Yes | 0.519 (0.294-0.917) | 0.024 | 0.476 (0.267-0.847) | 0.012 |