Community-associated methicillin-resistant Staphylococcus aureus prevalence: how common is it? A methodological comparison of prevalence ascertainment.

作者: E. Yoko Furuya , Heather A. Cook , Mei-Ho Lee , Maureen Miller , Elaine Larson

DOI: 10.1016/J.AJIC.2006.12.009

关键词:

摘要: Background Community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) infections are becoming increasingly prevalent. There is geographic variation in their reported prevalence across the United States; however, studies reporting on CA-MRSA also demonstrate great variability case-finding methodology. We conducted a study to see how three different methods ascertain would lead estimates. Methods Different were used identify cases of colonization and/or infection New York City. Method 1: retrospective review clinical and surveillance cultures identified through hospital computer database. 2: prospective collection same hospital's emergency department. 3: community setting. Results Differing values for resulted depending method denominator used. All nares as led estimates 0.3%-0.6%; all S. rates 1.2%-5%; MRSA 5.5%-50%. Conclusions A comparison revealed that methodologies can Key factors consider when comparing include definition CA-MRSA, choice denominator, setting sample collection.

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