Publication date: August 2017
Source:Oral Oncology, Volume 71
Author(s): Sean T. Massa, Nosayaba Osazuwa-Peters, Joel Franco, Gregory W. Ward, Ronald J. Walker
ObjectiveSurvival of advanced laryngeal cancer is declining while the popularity of organ preservation protocols grows. This study assesses the survival impact of refusing surgical treatment for locally advanced, resectable laryngeal cancer.MethodsAdult patients with T3 and T4a non-metastatic laryngeal squamous cell carcinoma were identified from the Surveillance, Epidemiology and End Results 18 database from 2004 to 2013. Patients were stratified based on a recommendation for extirpative surgery and the refusal of surgery. Multivariate logistic regression modeling identified variables associated with refusal. A multivariate cox proportional hazard model produced adjusted Kaplan-Meier survival curves. Survival was compared using adjusted hazard ratios (aHR) with 95% confidence intervals (CI).ResultsOf 5786 patients in the study, 2877 were recommended for surgical treatment and 138 (4.8%) refused. Refusal of surgery was associated with unmarried status (Single, odds ratio (OR) 1.79, CI 1.10–2.92), black race (OR 1.50, CI 1.00–2.22), T3 tumors (OR 1.80, CI 1.26–2.61) and N3 nodal disease (OR 3.50, CI 1.24–8.48). Compared to patients undergoing surgery, those who refused had lower 5-year cancer specific survival and increased hazard of cancer-specific mortality (aHR 1.60, CI 1.24–2.07) which resulted in decreased 5-year survival (50.0vs 60.1%), after controlling for other factors.ConclusionRefusal of surgery for locally advanced laryngeal cancer is more common in patients without marital support and with T3 tumors. This decision results in a 10% survival decrease at 5-year. Future study is needed to understand patients' reasoning behind this decision and to investigate additional factors not available in this dataset.
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