What Is Nosocomial? Large Variation in Hospital Choice of Numerators and Denominators Affects Rates of Hospital-Onset Methicillin-ResistantStaphylococcus aureus

What Is Nosocomial? Large Variation in Hospital Choice of Numerators and Denominators Affects Rates of Hospital-Onset Methicillin-ResistantStaphylococcus aureus

We calculated hospital-onset methicillin-resistantStaphylococcus aureus(HO-MRSA) rates for Orange County, California, hospitals using survey and state data. Numerators were variably defined as HO-MRSA occurring more than 48 hours (37%), more than 2 days (30%), and more than 3 days (33%) postadmissio...

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Veröffentlicht in:Infection control and hospital epidemiology 2012-11, Vol.33 (11), p.1166-1169
Hauptverfasser: Datta, Rupak, Kuo King, Melissa, Kim, Diane, Nguyen, Christopher, Elkins, Kristen, Gombosev, Adrijana, Avery, Taliser R., Meyers, Hildy, Cheung, Michele, Huang, Susan S.
Format: Artikel
Sprache:eng
Schlagworte:
Concise Communication
Hospital admissions
Hospital beds
Hospitalization
Hospitals
Infections
Methicillin resistant staphylococcus aureus
Psychiatric hospitals
State hospitals
Statistical median
T tests
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Zusammenfassung:We calculated hospital-onset methicillin-resistantStaphylococcus aureus(HO-MRSA) rates for Orange County, California, hospitals using survey and state data. Numerators were variably defined as HO-MRSA occurring more than 48 hours (37%), more than 2 days (30%), and more than 3 days (33%) postadmission. Survey-reported denominators differed from state-reported patient-days. Numerator and denominator choices substantially impacted HO-MRSA rates.
ISSN:0899-823X
1559-6834
DOI:10.1086/668025