National swine flu adult assessment guidelines: retrospective validation of objective criteria in three proxy datasets
Challen, K. Bentley, A. Bright, J. Gray, J. Walter, D.
Challen, K.
Bentley, A.
Bright, J.
Gray, J.
Walter, D.
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Abstract
OBJECTIVES:
To validate the objective criteria in the Department of Health Adult Swine Flu Assessment Tool against proxy datasets for pandemic influenza.
DESIGN:
Comparative validation study with 3 datasets.
SETTING:
Urban Emergency Department (group 1) and prehospital care (groups 2 and 3).
PARTICIPANTS:
Adults with community-acquired pneumonia (group 1, n=281), shortness of breath (group 2, n=211) or any respiratory diagnosis (group 3, n=300).
OUTCOME MEASURES:
Hospital admission (group 1), hospital admission or intravenous therapy (group 2) and transfer to emergency department (group 3).
RESULTS:
Sensitivity and specificity of the tool were 0.73 (95% CI 0.67 to 0.8) and 0.83 (0.72 to 0.9) in group 1, 0.64 (0.55 to 0.71) and 0.63 (0.52 to 0.73) in group 2 and 0.84 (0.75 to 0.9) and 0.55 (0.48 to 0.62) in group 3. Analysis of individual components of the tool and a summative score is presented.
CONCLUSIONS:
The objective criteria of the proposed DH assessment tool do not perform particularly well in predicting relevant clinical outcomes in feasible proxy conditions for pandemic influenza.
https://emj.bmj.com/content/emermed/28/4/287.full.pdf
This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
http://dx.doi.org/10.1136/emj.2009.083683