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Related Experiment Video

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Developing and validating the Earthquake-Related Crush Syndrome Knowledge Scale using tetrachoric and Rasch analyses.

Derya Suluhan1, Ecem Koyun2, Dilek Yıldız1

  • 1Department of Pediatric Nursing, Gulhane Faculty of Nursing, Türkiye University of Health Sciences, Ankara-Türkiye.

Ulusal Travma Ve Acil Cerrahi Dergisi = Turkish Journal of Trauma & Emergency Surgery : TJTES
|May 5, 2026
PubMed
Summary
This summary is machine-generated.

A new scale effectively assesses pediatric surgical nurses' knowledge of earthquake-related crush syndrome. This tool is crucial for improving care during disasters and reducing mortality from crush injuries.

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Area of Science:

  • Disaster Medicine
  • Nursing Education
  • Surgical Nursing

Background:

  • Earthquake fatalities often result from trauma and entrapment, leading to crush syndrome.
  • Crush syndrome is a critical determinant of mortality and morbidity following entrapment.
  • Assessing healthcare providers' knowledge is vital for effective disaster response.

Purpose of the Study:

  • To develop and validate a scale measuring pediatric surgical nurses' knowledge of earthquake-related crush syndrome.
  • To provide a reliable instrument for evaluating preparedness in disaster scenarios.

Main Methods:

  • Methodological study involving 77 pediatric surgical nurses.
  • Data collection using a form and a 30-item draft scale.
  • Validation through content and construct analysis (Tetrachoric factor analysis, Rasch analysis).
  • Reliability assessment using Kuder-Richardson Formula 20 and person reliability coefficient.

Main Results:

  • The Earthquake-Related Crush Syndrome Knowledge Scale achieved a Content Validity Index of 0.99.
  • Factor analysis identified two subdimensions (9 items initially, refined to 7 by Rasch analysis).
  • Confirmatory factor analysis showed acceptable to excellent fit; reliability coefficients were high (0.90 and 0.88).
  • Rasch analysis indicated acceptable fit statistics, though person reliability was low (0.433).

Conclusions:

  • The developed scale shows promising validity and reliability for assessing pediatric surgical nurses' knowledge.
  • This instrument can aid in identifying knowledge gaps and informing training for disaster preparedness.