Table 4.
Multivariable Cox proportional hazard model analysis in the training set (ST) for HPV+ and HPV− patients.
| HPV+ patients | HPV− patients | ||||
|---|---|---|---|---|---|
| Variables | HR (95% CI) | p-value | Variables | HR (95% CI) | p-value |
| Drinking history (moderate/heavy drinker vs. non-/ex-/light drinker) | 0.81 (0.36–1.82) | 0.61 | N stage | ||
| N0 | Ref | ||||
| N1 | 2.08 (1.06–4.07) | 0.03 | |||
| N2 | 2.55 (1.21–5.36) | 0.01 | |||
| N3 | 2.80 (0.98–7.97) | 0.054 | |||
| T stage | RRSHPV− | 3.37 (1.93–5.88) | <0.0001 | ||
| T1 | Ref | ||||
| T2 | 1.22 (0.38–3.92) | 0.74 | |||
| T3 | 2.94 (1.02–8.45) | 0.04 | |||
| T4 | 2.56 (0.70–9.35) | 0.16 | |||
| RRSHPV+ | 30.12 (5.67–159.96) | <0.0001 | |||
Bold values refer to significant p values < 0.05.