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Published on: September 16, 2022
Development and validation of a mass casualty conceptual model
Joan M Culley1, Judith A Effken
1College of Nursing, University of South Carolina, Columbia, SC, USA. jculley@sc.edu
Summary
A validated conceptual model offers a framework for developing and evaluating information systems for mass casualty events. This model aids in understanding care complexities and improving triage systems.
Area of Science:
- Information Science
- Disaster Management
- Healthcare Systems Engineering
Background:
- Effective information systems are critical for managing mass casualty events (MCEs).
- Existing models often lack a comprehensive framework for MCE information system development and evaluation.
- A structured approach is needed to guide the design and assessment of these vital systems.
Purpose of the Study:
- To develop and validate a conceptual model for information systems used in mass casualty events.
- To establish a framework for the systematic development and evaluation of MCE information systems.
- To identify key constructs and relationships influencing the effectiveness of MCE information systems.
Main Methods:
- A modified Delphi technique using computer-mediated applications facilitated expert consensus.
- A panel of 18 experts validated the model through multiple rounds of questioning.
- Consensus was defined by interquartile range, response stability, and percent agreement.
Main Results:
- Two rounds of the Delphi process were sufficient to achieve consensus or stability.
- The validated model includes 10 constructs, 9 relationships, and 39 of 44 indicators.
- Experts rated the model's usefulness for future research highly (mean 5.3/7).
Conclusions:
- The validated model provides a foundational framework for understanding MCE contexts and improving care outcomes.
- This model supports the design and evaluation of information-communication systems for effective triage during mass casualty incidents.
- It highlights the complexity of MCE care and the crucial role of nursing in these events.
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