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Volume 19, Number 4—April 2013

Research

Methicillin-Resistant Staphylococcus aureus Colonization of the Groin and Risk for Clinical Infection among HIV-infected Adults

Philip J. PetersComments to Author , John T. Brooks, Sigrid K. McAllister, Brandi Limbago, H. Ken Lowery, Gregory Fosheim, Jodie L. Guest, Rachel J. Gorwitz, Monique Bethea, Jeffrey Hageman, Rondeen Mindley, Linda K. McDougal, and David Rimland
Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (P.J. Peters, J.T. Brooks, S.K. McAllister, B. Limbago, G. Fosheim, R.J. Gorwitz, J. Hageman, L.K. McDougal); Veterans Affairs Medical Center, Atlanta (H.K. Lowery, J.L. Guest, M. Bethea, R. Mindley, D. Rimland); Emory University School of Medicine, Atlanta (D. Rimland)

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Table 1

Prevalence of Staphylococcus aureus colonization among HIV-infected adults, Atlanta, Georgia, USA, 2007–2009*

S. aureus colonization status† Participants, no. (%)
At enrollment, n = 600 At 6-mo visit, n = 502 At 12-mo visit, n = 426
MRSA 79‡ (13) 66‡ (13) 62‡ (15)
MSSA 180 (30) 156 (31) 118 (28)
No S. aureus 341 (57) 280 (56) 246 (58)

*MRSA, methicillin-resistant S. aureus; MSSA, methicillin-susceptible S. aureus; PFGE, pulsed-field gel electrophoresis.
†Obtained from nares and groin swab specimens.
‡MRSA and MSSA co-colonization was detected in 11 participants at baseline, 10 participants at 6 mo, and 9 participants at 12 mo. For analysis these participants were classified as MRSA colonized. In addition, MRSA colonization with 2 distinct MRSA PFGE patterns was detected in 2 participants at baseline, 1 participant at 6 mo, and 2 participants at 12 mo.

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