Etiology of community-acquired pneumonia and diagnostic yields of 1 microbiological methods: A 3-year prospective study in Norway

Etiology of community-acquired pneumonia and diagnostic yields of 1 microbiological methods: A 3-year prospective study in Norway 2 3 4 Jan C. Holter, Fredrik Müller, Ola Bjørang, Helvi H. Samdal, Jon B. Marthinsen, 5 Pål A. Jenum, Thor Ueland, Stig S. Frøland, Pål Aukrust, Einar Husebye and 6 Lars Heggelund 7 8 Departments of Internal Medicine, Medical Microbiology, and Radiology, Vestre Viken Hospital 9 Trust, Drammen, Norway; Research Institute of Internal Medicine, Department of Microbiology, 10 and Section of Clinical Immunology and Infectious Diseases, Oslo University Hospital 11 Rikshospitalet, Oslo, Norway; Institute of Clinical Medicine, Faculty of Medicine, and K.G. Jebsen 12 Inflammatory Research Center, University of Oslo, Oslo, Norway 13 14 15 Present address: Helvi H. Samdal – Department of Microbiology, Oslo University Hospital, Oslo, 16 Norway; Jon B. Marthinsen – Department of Radiology, Hospital of Southern Norway HF, 17 Kristiansand, Norway 18 19 20 E-mail: Jan C. Holter – [email protected]; Fredrik Müller – [email protected]; Ola 21 Bjørang – [email protected]; Helvi H. Samdal – [email protected]; Jon B. 22 Marthinsen – [email protected]; Pål A. Jenum – [email protected]; Thor Ueland 23 – [email protected]; Stig S. Frøland – [email protected]; Pål Aukrust – 24 [email protected]; Einar Husebye – [email protected]; Lars Heggelund – 25 [email protected] 26 27 28 Corresponding author: 29 Jan Cato Holter, MD 30 Research Institute for Internal Medicine 31 Oslo University Hospital, Rikshospitalet, N-0027 Oslo, Norway 32 Telephone: +47 23079010 / +47 91195761 33 Fax: +47 23073630 34 E-mail: [email protected] 35 36 37 38 39 40 41 42 43 44 45 46 47