Influence of symptoms of depression on the quality of life of men diagnosed with prostate cancer

Abstract Objective: to evaluate the prevalence of symptoms of depression among men diagnosed with prostate cancer and their association with quality of life and treatment-related factors. Methods: a cross-sectional study of 85 men with a mean age of 66±8 years who were diagnosed with prostate cancer was performed. The survey was based on a questionnaire with previously validated instruments which investigated social, demographic and economic characteristics, the history of the disease, quality of life (European Organization for Research and Treatment of Cancer Questionnaire C30 - EORTC QLQ-C30 / QLQ-PR25) and symptoms of depression (Beck Depression Inventory). The presence of symptoms of depression was considered an outcome, and statistical analyzes were performed using the Chi-square test, Fisher's exact test, Mann Whitney U test and Poisson regression (p