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Volume 11, Number 6—June 2005

Research

Methicillin-resistant Staphylococcus aureus and Vancomycin-resistant Enterococci in Rural Communities, Western United States

Kurt B. Stevenson*†Comments to Author , Katy Searle†, Gregory Stoddard†, and Matthew H. Samore†‡
Author affiliations: *Qualis Health, Boise, Idaho, USA; †University of Utah School of Medicine, Salt Lake City, Utah, USA; ‡VA Salt Lake City Health Care System, Salt Lake City, Utah, USA

Main Article

Table 5

Random effects Poisson regression model for HA-MRSA* rate†

Predictors No. of institutions Incidence rate ratio 95% CI p value
Quintile of CA-MRSA rate‡
1st–2nd: 0 11 Reference
3rd: 0.3 to 1.6 6 11 2.8–4.5 0.001
4th: 1.7 to 3.4 6 35 10–122 <0.0001
5th: 3.5 to 9.4 5 33 9.2–115 <0.0001
Hospital bed size
13–25 10 Reference
26–50 9 0.8 0.3–2.0 0.596
51–235 9 1.3 0.6–3.0 0.530
State
Idaho 17 Reference
Utah 11 2.3 1.3–4.2 0.005

*HA-MRSA, heathcare-associated methicillin resistant Staphylococcus aureus; 95% CI, 95% confidence interval; CA-MRSA, community-associated MRSA.
†No. of HA-MRSA cases/10,000 occupied bed-days.
‡No. of CA-MRSA cases/10,000 person-years, based on county population.

Main Article

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