Bacteremic Pneumococcal Pneumonia in Elderly and Very Elderly Patients: Host- and Pathogen-Related Factors, Process of Care, and Outcome

Background.Hospitalizations due to pneumonia increase steadily with age. The purpose of this study is to explore differences in host- and pathogen-related factors, process of care, and outcome as a function of age in elderly patients with bacteremic pneumococcal pneumonia and identify factors related to mortality.