ABSTRACT Objective To characterize the epidemiological profile of patients aged 50 years or older diagnosed as HIV/AIDS, in a Specialized Service of the Public Health System. Methods A retrospective cohort study using secondary data from medical records in the period 2014 to 2018. Sociodemographic and clinical characteristics, and features related to treatment adherence were organized in a database. Quantitative variables were expressed as mean (or median) ± standard deviation (or interquartile range), and categorical variables expressed as number and percentage […]