Tobacco and alcohol consumption after total laryngectomy and survival: A German multicenter prospective cohort study

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Abstract

Background.

We examined the relation of tobacco and alcohol consumption after total laryngectomy with overall survival (OS).

Methods.

Tobacco and alcohol consumption was assessed at 5 time points after total laryngectomy. Patients were followed up for survival until December 31, 2014. A multivariate Cox regression was fitted to test for differences in OS.

Results.

Three hundred fifty-nine patients were included in this study. Compared to former smokers, never smokers had hazard ratios (HRs) of 0.88 (95% confidence intervals [CIs] = 0.50–1.59), and continuous smokers 1.31 (95% CI = 0.87–1.96). Constantly high alcohol consumption after total laryngectomy had an HR of 2.19 (95% CI = 1.30–3.67). Duration of smoking (HR = 1.00; 95% CI = 0.99–1.01) and last known status of alcohol consumption (HR = 1.00; 95% CI = 0.76–1.33) was not related to OS.

Conclusion.

Patients who smoke after total laryngectomy have a 30% higher risk of dying than people who gave up smoking, and constant high alcohol consumption is also a strong risk factor for dying. © 2016 Wiley Periodicals, Inc. Head Neck38: 1324–1329, 2016

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