Table 3.
Multivariable Cox regression of study cohorts.
| Multivariable cox | Training cohort | Testing cohort | ||
|---|---|---|---|---|
| p-value | HR (95% CI) | p-value | HR (95% CI) | |
| Age > 65 | 0.051 | 2.05(1.00–4.20) | 0.978 | - |
| T3/T4 | 0.884 | - | 0.093 | - |
| N2/N3 | 0.040 | 2.45(1.04–5.72) | 0.167 | |
| Induction chemo before RT | 0.001 | 3.50(1.63–7.52) | 0.048 | 1.66(1.01–2.82) |
| ECOG = 1 | 0.063 | 3.93(0.93–16.63) | 0.596 | - |
| EBV DNA positive | 0.029 | 2.72(1.11–6.69) | 0.611 | - |
| PPP > 0.319 | < 0.001 | 7.82(3.66–16.71) | < 0.001 | 3.32(1.46–7.58) |
| post-RT pWL > 10% | 0.082 | 1.03(0.33–1.07) | 0.278 | |
Significant values are in [bold].