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Predicting high prevalence of community methicillin-resistant Staphylococcus aureus strains in nursing homes.

  • Author(s): Murphy, Courtney R
  • Hudson, Lyndsey O
  • Spratt, Brian G
  • Quan, Victor
  • Kim, Diane
  • Peterson, Ellena
  • Tan, Grace
  • Evans, Kaye
  • Meyers, Hildy
  • Cheung, Michele
  • Lee, Bruce Y
  • Mukamel, Dana B
  • Enright, Mark C
  • Whealon, Matthew
  • Huang, Susan S
  • et al.

Published Web Location Commons 'BY' version 4.0 license

We assessed characteristics associated with community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) carriage among residents of 22 nursing homes. Of MRSA-positive swabs, 25% (208/824) were positive for CA-MRSA. Median facility CA-MRSA percentage was 22% (range, 0%-44%). In multivariate models, carriage was associated with age less than 65 years (odds ratio, 1.2; P<.001) and Hispanic ethnicity (odds ratio, 1.2; P=.006). Interventions are needed to target CA-MRSA.

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