Abstract
Background: Since most oropharyngeal carcinomas are locally advanced at presentation, patients are often treated with radiation therapy and/or chemotherapy. However, for early stage oropharyngeal carcinoma, national guidelines state that it can be treated by either primary surgery or radiotherapy. This study analyse national survival rates of oropharyngeal squamous cell carcinoma for surgical and nonsurgical treatment modalities. Methods: All cases of squamous cell carcinoma of the oropharynx between 1988 and 2007 were selected from the Surveillance, Epidemiology and End Results (SEER) 17 database. The SEER database is a population-based cancer registry that captures 17 distinct population groups in 198 counties in the United States. It represents approximately 26% of the overall United States population and contains information on 6,117,327 cases of cancer diagnosed since 1973. Overall survival was the primary outcome measure. Survival curves were generated using the Kaplan-Meier method and compared using the Mantel-Cox log-rank test. Significance was defined as P<0.05. You can submit your Manuscripts at: https://symbiosisonlinepublishing.com/submitManuscript.php
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