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Volume 22, Number 7—July 2016

Increased Mortality Rates Associated with Staphylococcus aureus and Influenza Co-infection, Maryland and Iowa, USA1

Jennifer S. McDanelComments to Author , Eli N. Perencevich, Jeremy Storm2, Daniel J. Diekema, Loreen Herwaldt, J. Kristie Johnson, Patricia L. Winokur, and Marin L. Schweizer
Author affiliations: University of Iowa, Iowa City, Iowa, USA (J.S. McDanel, E.N. Perencevich, J. Storm, D.J. Diekema, L. Herwaldt, P.L. Winokur, M.L. Schweizer); Iowa City Veterans Affairs Health Care System, Iowa City (J.S. McDanel E.N. Perencevich, P.L. Winokur, M.L. Schweizer); University of Iowa Hospitals and Clinics, Iowa City (D.J. Diekema, L. Herwaldt); University of Maryland School of Medicine, Baltimore, Maryland, USA (J.K. Johnson)

Main Article

Table 2

Adjusted regression analysis of the association between influenza and 30-d in-hospital deaths among patients with Staphylococcus aureus–positive respiratory cultures, Maryland and Iowa, USA*

Model and variable Odds ratio (95% CI) p value
Influenza-positive test
3.15 (1.27–7.86)
Influenza-positive test 4.31 (1.57–11.83) 0.005
First positive S. aureus culture collected ≤2 d after hospital admission 3.00 (1.18–7.61) 0.021
Year of first positive S. aureus culture, 2008–2009† 1.71 (0.70–4.13) 0.237

*Defined as death occurring in the hospital within 30 d of the first respiratory culture that grew S. aureus.
†Reference 2003–2007.

Main Article

1Presented in part at ID Week, October 17-21, 2012, San Diego, CA, USA. Abstract 36846.

2Current affiliation: Infectious Disease Specialists, P.C., Sioux Falls, South Dakota, USA.

Page created: June 14, 2016
Page updated: June 14, 2016
Page reviewed: June 14, 2016
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