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Related Experiment Video

Updated: Jun 18, 2026

Inverse Probability of Treatment Weighting (Propensity Score) using the Military Health System Data Repository and National Death Index

Inverse Probability of Treatment Weighting (Propensity Score) using the Military Health System Data Repository and National Death Index

Published on: January 8, 2020

Preventability classification in mortality cases: a reliability study.

Michael D Pasquale¹, Andrew B Peitzman,

¹Department of Surgery, Lehigh Valley Hospital, Allentown, Pennsylvania 18105-1556, USA.

The Journal of Trauma

|November 11, 2009

Summary

This summary is machine-generated.

The Pennsylvania Outcomes and Performance Improvement Measurement System (POPIMS) software showed moderate reliability for trauma mortality classification. Differences between institutional and reviewer classifications indicate a need for more objective criteria in trauma outcome reporting.

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Published on: October 23, 2020

Area of Science:

Medical Informatics
Trauma Surgery
Quality Improvement

Background:

The Pennsylvania Trauma Systems Foundation developed the Pennsylvania Outcomes and Performance Improvement Measurement System (POPIMS) software for consistent trauma center outcomes reporting.
This study aimed to evaluate the inter-rater reliability of the POPIMS software for classifying trauma mortality preventability.

Purpose of the Study:

To assess the consistency and reliability of mortality classification using the POPIMS software among trauma centers in Pennsylvania.
To identify discrepancies between institutional and reviewer classifications of mortality preventability.

Main Methods:

Trauma centers submitted preventable, potentially preventable, and nonpreventable mortality reports using POPIMS.
Reports were blinded and randomly selected for review by trauma directors.
Institutional classification (IC) was compared with reviewer classification (RC) using Chi-square tests and Cronbach's alpha for inter-rater reliability.

Main Results:

Twenty-eight surgeons reviewed 34 cases; reviewer classification (RC) significantly differed from institutional classification (IC) (p < 0.001).
Factors contributing to mortality varied between IC and RC reviews across different preventability classes.
A moderate level of inter-rater reliability was observed, with Cronbach's alpha at 0.64.

Conclusions:

The POPIMS system, a statewide performance improvement initiative, demonstrated moderate inter-rater reliability for mortality classification.
Significant differences highlight the need for more objective criteria in classifying trauma mortality preventability.
Further development should explore additional outcomes parameters beyond preventability classification.