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. Author manuscript; available in PMC: 2012 Jul 1.
Published in final edited form as: Diagn Microbiol Infect Dis. 2011 May 10;70(3):285–290. doi: 10.1016/j.diagmicrobio.2011.03.010

Table 4.

Independent risk factors for severe sepsis or septic shock of veterans with MRSA bacteremia at four VHA centers, 1997–2008, n=257. a,b

Variablea Adjusted RR 95% CI p-value c
USA300 MRSA bacteremia 1.82 (1.16, 2.87) 0.01
Age (per 10 year increase) 1.23 (1.03, 1.47) 0.02
Nosocomial infection 2.07 (1.21, 3.54) 0.01
a

MRSA: methicillin-resistant Staphylococcus aureus; VHA: Veterans Health Administration; RR: relative risk; CI: confidence interval.

b

There were 14 patients missing data regarding sepsis in response to infection;

c

Calculated via use of a generalized linear model using a log link and assuming a Bernoulli distribution.