Determining the Prognostic Factors of Survival in Patients with Head and Neck Cancer Using Parametric Models and Cox Bayesian Model, from 2007 to 2013

Introduction: Head and neck cancer is one of the most important cancers with low survival. This study was designed to evaluate the one-year survival of patients with head and neck cancer and related demographic factors. Methods: The present study was a cross-sectional study that reviewed the records of the patients with head and neck cancer (193 patients) in 2007-2013. In this study, Kaplan-Meyer method and Cox multiple regression were used to analyze the data. In this study, the information obtained by Excel and Stata 16 software was analyzed. Results: The results showed 117 (60.6%) patients were male and 76 (39.4%) were female. The mean age of the patients at the time of diagnosis was 62.51± 7.76. Three, six and 12-month survivals were 66.3%, 40.5% and 11.1%, respectively. The results showed that only the age of the patients had a significant relationship with the survival of patients up to one year (HR=65.13, CI= 4.52-41.19). Conclusion: One-year survival of patients with head and neck cancer in Yazd City is low and the elderly usually have a lower survival than young people.