[Severity classification and prognosis in hospitalized elderly patients with community-acquired pneumonia].

Aim: Community-acquired pneumonia (CAP) remains a common and serious illness. CAP can be a major cause of morbidity and mortality in elderly patients. This study aims to investigate the precision of disease severity staging scales such as Pneumonia Outcomes Research Team (PORT) Severity Index (PSI) and A-DROP (Age, Dehydration, Respiratory failure, Orientation disturbance, shock blood Pressure) in elderly patients with CAP.