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DOI: 10.1055/s-0042-1754470
Application and external validation of the Asthma Severity Scoring System in children and adults
Introduction The Asthma Severity Scoring System (ASSESS) is a new tool to assess asthma severity in children ³ 12 years and adults. It incorporates data about asthma control, lung function, exacerbations and asthma medication. In this study, we sought to validate the ASSESS score in the All Age Asthma Cohort (ALLIANCE) and explore its usability in children < 12 years.
Methods Scale properties, responsiveness, and known-group validity were assessed in pediatric and adult asthma patients recruited to the multicenter ALLIANCE cohort.
Results In total, 247 pediatric (mean age 11 years, IQR: 8-13 years) and 206 adult asthma patients (mean age 52 years, IQR: 43-63 years) were included in this study. Internal consistency of the ASSESS score was similar to the original application in the Severe Asthma Research Program (Cronbach’s a 0.48 in all children and 0.73 in adults). Test-retest reliability using Interclass Correlation Coefficient (ICC) visits was moderate (0.65 in children and 0.64 in adults). Mean ASSESS scores were significantly worse (p < 0.05) in patients with poor asthma control, with ³ 1 exacerbations, ³1 hospitalizations, ³ 2 wheeze episodes and increased salbutamol use demonstrating good known-group validity. Children < 12 years showed equally good known-group validity, however, Cronbach’s a and ICC were lower in children < 12 years compared to children ³ 12 years (Cronbach’s a of 0.35 and 0.59, respectively and ICC 0.47 and 0.77, respectively).
Conclusion Previously reported ASSESS score characteristics were verified in asthma patients ³ 12 years in the ALLIANCE cohort. In children 6-11 years score properties were inferior while construct validity was good, indicating a need for further evaluation or adaptation of the ASSESS score in this age group.
Conflict of Interest
No
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Artikel online veröffentlicht:
21. September 2022
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