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Table 7 Multivariable Cox regression analysis for OS; whole cohort

From: 3-weekly or weekly cisplatin concurrently with radiotherapy for patients with squamous cell carcinoma of the head and neck – a multicentre, retrospective analysis

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