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National Healthcare Safety Network (NHSN) Facility-wide Inpatient Hospital-onset Methicillin-resistant Staphylococcus aureus (MRSA) Bacteremia Outcome Measure

CBE ID
1716
Endorsement Status
1.1 New or Maintenance
Previous Endorsement Cycle
Is Under Review
No
Next Maintenance Cycle
Fall 2025
1.3 Measure Description

Standardized infection ratio (SIR) and Adjusted Ranking Metric (ARM)of hospital-onset unique blood source MRSA Laboratory-identified events (LabID events) among all inpatients in the facility

        • 1.14 Numerator

          Total number of observed hospital-onset unique blood source MRSA LabID events among all inpatients in the facility per NHSN protocols.

        • 1.15 Denominator

          Total number of predicted hospital-onset unique blood source MRSA LabID events, calculated from a negative binomial regression model and risk adjusted for facility’s number of inpatient days, inpatient community-onset MRSA prevalence rate, average length of patient stay in the hospital, medical school affiliation, facility type, number of critical care beds in the hospital, and outpatient community-onset MRSA prevalence rate from emergency departments and observation units.

        • Exclusions

          Data from patients who are not assigned to an inpatient bed in an applicable location are excluded from the denominator counts. Denominator counts exclude data from inpatient rehabilitation units and inpatient psychiatric units with different CMS Certification Numbers (CCN) from the acute care facility.

        • OLD 1.12 MAT output not attached
          Attached
        • Most Recent Endorsement Activity
          Endorsed Patient Safety Fall Cycle 2018
          Initial Endorsement
          Last Updated
        • Steward
          Centers for Disease Control and Prevention
          Steward Organization POC Email
          Steward Organization Copyright

          All CDC documents are public record therefore there is no copyright.

              • Risk Adjustment
                Risk adjustment approach
                Off
                Risk adjustment approach
                Off
                Conceptual model for risk adjustment
                Off
                Conceptual model for risk adjustment
                Off