The study estimates pneumonia incidence in elderly patients in Spanish emergency departments, finding an annual rate of 18.4 cases per 1000 inhabitants.
A significant 78% of these patients required hospitalization, with 30-day mortality at 14.2% and in-hospital mortality at 12.9%.
Factors like functional dependency and severe comorbidity were closely linked to adverse events, while common biomarkers showed only moderate predictive ability for outcomes.