Patient Safety Analysis Resources
The NHSN application provides various options that allow NHSN users to analyze their surveillance data. The resources listed below are intended to help you use the analysis tool, and interpret data analyzed from the Patient Safety Component of NHSN.
Analysis Resources
Guides and Training
NHSN Codes and Variables
- NHSN Data Dictionary March 2013 [XLS - 797 KB] Data Dictionary for NHSN Version 7.1
- ICD9-CM Procedure Code Mapping to NHSN Operative Procedure Categories [XLS - 173 KB] February 2012 Mapping of ICD-9-CM Procedure Codes to NHSN Operative Procedure categories.
- CDC Location Labels and Location Descriptions [PDF - 499 KB] January 2013
- NHSN Organisms Lists (All Organisms, Top Organisms, Common Commensals, MBI Organisms, & Uropathogens) [XLS - 223 KB] January 2013
- MDRO/CDI Module LabID Event Specimen Source Codes [PDF - 461KB] Jan. 2010
- List of Antimicrobial Agents Eligible for AUR Module [XLS - 18 KB] January 2013
- List of Antimicrobial Agents Eligible for VAE (IVAC, Possible and Probable VAP) [XLS - 18 KB] January 2013
Statistical Tools
- SAS Macro to Compare the SIR to 1 [SAS - 3 KB] This macro can be used to calculate the SIR to 1 comparison, consistent with the methods used by NHSN.
- SAS Macro to Compare 2 SIRs [SAS - 2 KB] This macro can be used to perform a comparison between two SIRs, consistent with the methods used by NHSN.
NHSN Data
- Risk Adjustment for Healthcare Facility-Onset C. difficile and MRSA Bacteremia Laboratory-identified Event Reporting in NHSN [PDF - 367 KB] March 2013 This report describes the risk modeling that CDC applied to LabID event CDI and MRSA bacteremia data submitted to NHSN, the results of which have been incorporated into the analysis options in the NHSN application.
- List of Aggregate Data Sources for Rate Comparisons and SIRs. [PDF - 138 KB] - April 2013
- Annual Reports
- National and State HAI SIR Reports
- CDC Vital Signs: Making Healthcare Safer
On this Page
Demo Application
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Contact NHSN:
-
Centers for Disease Control and Prevention
National Healthcare Safety Network
MS-A24
1600 Clifton Rd
Atlanta, GA 30333 - 800-CDC-INFO
(800-232-4636)
TTY: (888) 232-6348 - New Hours of Operation
8am-8pm ET/Monday-Friday
Closed Holidays - General NHSN info nhsn@cdc.gov




