Table 2.

Multivariate Cox regression models for progression-free and disease-specific survival

	Progression-free survival			Disease-specific survival
Risk factor	HR	95% CI	p-value	HR	95% CI	p-value
T status T3–4 vs T1–21	1.282	0.749–2.197	0.365	1.230	0.667–2.268	0.508
N status N+ vs N01	1.655	0.804–3.409	0.171	2.435	1.023–5.796	0.044
Clinical staging IV vs I-III1	1.516	0.771–2.983	0.228	1.702	0.778–3.722	0.183
Tobacco current vs never/former1	2.315	1.174–4.564	0.015	1.732	0.876–3.426	0.114
HPV status2 Non-related vs related1	0.412	0.200–0.849	0.016	0.356	0.157–0.805	0.013
Subgroup GLO1high/nuc vs GLO1others, 1	1.784	1.054–3.018	0.031	1.791	1.037–3.094	0.037

HR Hazard ratio, CI confidence interval, ¹ reference group, ² related = viral DNA ⁺ RNA ⁺ , non-related = viral DNA ⁺ RNA ⁻ or viral DNA ⁻ according to [20]

Significant results (p <0.05) (including the HR, 95% CI) are marked in boldface