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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

Additional Training

NHSN Codes and Variables

Statistical Tools


Demo Application


  • New! NHSN’s Guide to the SIR (updated July 2017) [PDF – 3M]
    A comprehensive guide to NHSN’s SIR, including risk factors used in the SIR calculations under the 2015 baseline.
  • Data Analysis and Presentation Standardization Toolkit
    The Council of State and Territorial Epidemiologists (CSTE) and CDC have partnered to create a toolkit of best practices in the analysis and display of HAI data for public reports. This toolkit provides guidance and recommended methods for organizations that publish facility-specific HAI data, and includes examples for both a technical and consumer-friendly HAI report.