Table 2 Multivariate Cox regression models for progression-free and disease-specific survival

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

GLO1^high/nuc vs GLO1^{others, 1}

1.784

1.054–3.018

0.031

1.791

1.037–3.094

0.037