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The interrater reliability of a validated bronchiolitis severity assessment tool
Paul Walsh1, Adrian Gonzales, Amina Satar
1Department of Emergency Medicine, Kern Medical Center, Bakersfield, CA 93305, USA. yousentwhohome@yahoo.com
Pediatric Emergency Care
|May 23, 2006
Summary
This study found substantial interrater reliability for a bronchiolitis severity assessment tool. The tool, using age, work of breathing, dehydration, and tachycardia, accurately predicts disease severity in children.
Area of Science:
- Pediatric emergency medicine
- Clinical assessment tool development
- Respiratory illness research
Background:
- A previously developed bronchiolitis severity assessment tool utilizes age, work of breathing, dehydration, and tachycardia to predict disease severity.
- The tool was initially validated in two independent hospital settings.
Purpose of the Study:
- To prospectively evaluate the interrater reliability of a bronchiolitis severity assessment tool.
- To assess the interrater reliability of the individual components of the tool, specifically work of breathing and dehydration.
Main Methods:
- A prospective observational survey design was employed.
- Thirty-two physicians evaluated 146 children under 18 months with bronchiolitis in an emergency department setting.
- Interrater agreement for the overall tool and its components was measured using the weighted kappa statistic.
Main Results:
- The overall tool demonstrated substantial interrater reliability (kappa = 0.676, P < 0.0001), with 92% weighted agreement.
- Individual components also showed significant agreement: dehydration (kappa = 0.305, P = 0.0001) and work of breathing (kappa = 0.611, P < 0.0001).
- The overall assessment tool exhibited higher interrater reliability compared to its individual variables.
Conclusions:
- The bronchiolitis severity assessment tool possesses substantial overall interrater reliability.
- This finding supports the tool's potential for consistent application in clinical practice for assessing bronchiolitis severity.
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