RESUMO
OBJECTIVES: The purpose of this study was to measure the prevalence of Chlamydia trachomatis (CT) and Neisseria gonorrhoeae (GC) and the rates and factors associated with their over-treatment (OT) and under-treatment (UT). METHODS: A retrospective chart review was performed of patients aged 13-24 years who were screened for GC/CT in the emergency department (ED) of a public hospital. Descriptive statistics were obtained for all variables, and multivariate log binomial regression was performed to ascertain the factors associated with OT and UT. RESULTS: Seven hundred and ninety-seven adolescents and young adults were screened for GC/CT. The overall sexually transmitted infection (STI) positivity rate was 21.6%; 136 (21.6%) subjects were over-treated and 74 (43.4%) subjects were under-treated. Patients presenting with STI exposure or genito-urinary symptoms were more likely to be OT. Additionally, females aged 18-19 years or with a prior history of STIs were more likely to be OT. Females (83.6%) were more likely to be UT, while STI exposure, genito-urinary symptoms, and a prior history of STI were protective of UT . CONCLUSION: Adolescents and young adults screened for STIs have a high prevalence of GC/CT. A significant proportion of these patients end up over-treated and an even higher proportion are under-treated.