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

We calculated hospital-onset methicillin-resistant Staphylococcus 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%) postadmiss...

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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:	Bacterial diseases Bias Biological and medical sciences California - epidemiology Cross Infection - epidemiology Data processing Drug resistance General aspects Health Care Surveys Hospitals Human bacterial diseases Human infectious diseases. Experimental studies and models Humans Infectious diseases Medical sciences Methicillin-Resistant Staphylococcus aureus - isolation & purification Miscellaneous Nursing Public health. Hygiene Public health. Hygiene-occupational medicine Staphylococcal Infections - epidemiology Staphylococcal infections, streptococcal infections, pneumococcal infections Staphylococcus aureus
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Zusammenfassung:	We calculated hospital-onset methicillin-resistant Staphylococcus 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