Survival Of Nonmetastatic Nasopharyngeal Cancer Patients Treated Radically By Two Dimensional External Beam Radio Therapy At Tikur Anbessa Specialized Hospital Radiotherapy Center Addis Ababa Ethiopia 2020 A Retrospective Coh

Introduction: Globally, an estimated 51,000 deaths from nasopharyngeal carcinoma werernreported in 2012. In Africa, 8700 new nasopharyngeal cancer cases and 5500 deaths occurred inrn2008. A 22 months median survival was seen in post concurrent chemoradiation Nigerian casesrnand two year cure rate of 16% was achieved in East African post radiotherapy cases. There arernno, however, data on survival of nonmetastatic nasopharyngeal cancer in Ethiopia. rnObjective: To examine survival time of non-metastatic nasopharyngeal cancer patients treatedrnradically by concurrent chemoradiation using 2 dimensional external beam radiotherapy at TikurrnAnbessa Specialized Hospital, Radiotherapy Center, Ethiopia, 2020.rnMethodology: A retrospective cohort study was conducted among all nonmetastaticrnnasopharyngeal cancer cases treated radically by 2 dimensional external beam radiotherapy fromrnJanuary 2013 to August 2018 at Tikur Anbessa Specialized Hospital, Radiotherapy center.rnDescriptive and frequency analysis was done to calculate mean, median, standard deviation andrnpercentile. Kaplan meier analysis was used for survival analysis. Bivariate and multivariate coxrnregression done to assess association between dependent and independent variables.rnMulticolinearity test (T

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