Prognostic Significance of Inflammatory Markers in Patients with Oral Cavity Cancers

Introduction: In the present study, we aimed to evaluate the relationship between neutrophil/lymphocyte ratio (NLR), platelet/lymphocyte ratio (PLR) and systemic immune inflammation index (SII) values and overall survival (OS) and disease-free survival (DFS) in patients undergoing radiotherapy (RT) with a diagnosis of oral cavity cancer (OCC). Methods: 58 patients were included who were treated with a diagnosis of OCC who applied to Cumhuriyet University Faculty of Medicine Radiation Oncology Clinic between January 2009 and December 2018. Kaplan-Meier analysis was used to determine OS and DFS. Multivariate Cox regression analysis was also performed to detect independent prognostic factors. Results: All patients had a squamous cell carcinoma (SCC) of the oral cavity composed of 50 tongue SCC and 8 buccal SCC. Cut-off values in ROC analysis: 954 [Area=0.665 (0.511-0.800), p=0.06] for SII, 174 [Area=0.659 (0.608- 0.795), p

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