Armour, Brian S.; Pitts, Stephen R.; Pitts, M. Melinda; … - In: Disease Management and Health Outcomes 11 (2003) 9, pp. 595-601
Objective: To assess the predictive validity of the pneumonia severity-of-illness index (PSI), a mortality prediction rule, and extend the work of others by including data on outpatients treated for pneumonia. Methods: Prospective study of 675 consecutive patients with community-acquired...