Prevalence and risk factors of nasal colonization with Staphylococcus aureus – Association with HIV infection in older patients

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Abstract
Nasal S. aureus colonization was detected in 62/127 patients (49%) at a German infectious diseases clinic; MRSA colonization was infrequent at 2.4%. Male gender (OR=2.71, p=0.04), antimicrobial therapy in hospitalized patients (OR=20.1, p=0.02), and HIV infection in patients>42 y of age (OR=7.74, p=0.02) were independent risk factors for S. aureus colonization.