. Author manuscript; available in PMC: 2010 Dec 28.

Published in final edited form as: Infect Control Hosp Epidemiol. 2010 Jul;31(7):694–700. doi: 10.1086/653206

TABLE 3.

Estimated Positive Predictive Value (PPV) of Any Staphylococcus aureus–Positive Culture Result from a Sample Obtained from a Nonsterile Body Site

Variable	Estimated no.		Total infections, no.	Estimated PPV, %
Variable	Infection present	Infection absent	Total infections, no.	Estimated PPV, %
Positive culture result with matching ICD-9-CM code	2,230	586	2,816	79.2
Positive culture result without matching ICD-9-CM code	332	1,473	1,805	18.4
All positive culture results	2,562	2,059	4,621	55.4

NOTE. ICD-9-CM, International Classification of Diseases, Ninth Revision.