Severity of influenza A 2009 (H1N1) pneumonia is underestimated by routine prediction rules. Results from a prospective, population-based study.

• Published in: PLoS ONE
• Main Authors: Bjarnason, Agnar, Thorleifsdottir, Gudlaug, Löve, Arthur, Gudnason, Janus F, Asgeirsson, Hilmir, Hallgrimsson, Kristinn L, Kristjansdottir, Berglind S, Haraldsson, Gunnsteinn, Baldursson, Olafur, Kristinsson, Karl G, Gottfredsson, Magnus
• Other Authors: Faculty of Medicine, University of Iceland, Reykjavik, Iceland.
• Format: Article in Journal/Newspaper
• Language: English
• Published: 2013
• Subjects: Adult; Aged; Anti-Bacterial Agents; Antiviral Agents; Coinfection; Community-Acquired Infections; Comorbidity; Female; Humans; Iceland; Influenza A Virus; H1N1 Subtype; Influenza; Human; Intensive Care Units; Length of Stay; Male; Middle Aged; Mycoplasma pneumoniae; Oseltamivir; Pandemics; Patient Admission; Pneumonia; Bacterial; Prospective Studies; Severity of Illness Index; Streptococcus pneumoniae; Psi
• Online Access: http://hdl.handle.net/2336/295220; https://doi.org/10.1371/journal.pone.0046816

Characteristics of patients with community-acquired pneumonia (CAP) due to pandemic influenza A 2009 (H1N1) have been inadequately compared to CAP caused by other respiratory pathogens. The performance of prediction rules for CAP during an epidemic with a new infectious agent are unknown. Prospectiv...