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. 2011 Feb;17(2):247-50.
doi: 10.1111/j.1469-0691.2010.03275.x.

Risk factors for severe complications of the novel influenza A (H1N1): analysis of patients hospitalized in Italy

M Bassetti  1 , A Parisini, A Calzi, F M Bobbio Pallavicini, G Cassola, S Artioli, M Anselmo, G Pagano, G Rezza, C Viscoli; Ligurian H1N1 Collaborative Group
Collaborators, Affiliations
Free article

Risk factors for severe complications of the novel influenza A (H1N1): analysis of patients hospitalized in Italy

M Bassetti et al. Clin Microbiol Infect. 2011 Feb.
Free article

Abstract

Eighty-one patients affected by the novel influenza A (H1N1), hospitalized in North-western Italy, were studied. The median age was 32 years (range 1-81 years). Fifty-six (69%) had an underlying medical condition, including lung disorders (asthma or chronic obstructive pulmonary disease) in 34% and obesity in 25%. Fifty percent of them had pneumonia, 12% were admitted to the intensive care unit and 3% died. Antiviral treatment was initiated in 75% of patients started within 48 h. Older age and lung and neurocognitive disorders were associated with severe disease and death.

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