Table 7.

Multivariable Cox regression analysis for OS; whole cohort

Factor	Hazard Ratio	95% Confidence interval	p-value
Treatment regimen (weekly vs. 3-weekly)	1.37	0.92–2.03	0.116
Gender	1.08	0.68–1.71	0.741
Age at diagnosis	1.02	1.00–1.05	0.017
Hypopharyngeal localisation	1.03	0.62–1.70	0.893
Smoking history	2.00	0.92–4.33	0.078