Seasonality of MRSA infections

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Abstract

Using MRSA isolates submitted to our hospital microbiology laboratory January 2001-March 2010 and the number of our emergency department (ED) visits, quarterly community-associated (CA) and hospital-associated (HA) MRSA infections were modeled using Poisson regressions. For pediatric patients, approximately 1.85x (95% CI 1.45x-2.36x, adj. p<0.0001) as many CA-MRSA infections per ED visit occurred in the second two quarters as occurred in the first two quarters. For adult patients, 1.14x (95% CI 1.01x-1.29x, adj.p = 0.03) as many infections per ED visit occurred in the second two quarters as in the first two quarters. Approximately 2.94x (95% CI 1.39x-6.21x, adj.p = 0.015) as many HA-MRSA infections per hospital admission occurred in the second two quarters as occurred in the first two quarters for pediatric patients. No seasonal variation was observed among adult HA-MRSA infections per hospital admission. We demonstrated seasonality of MRSA infections and provide a summary table of similar observations in other studies. ? 2011 Mermel et al.

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APA

Mermel, L. A., Machan, J. T., & Parenteau, S. (2011). Seasonality of MRSA infections. PLoS ONE, 6(3). https://doi.org/10.1371/journal.pone.0017925

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