Step | Evidence | OMERACT Endorsement | ||
---|---|---|---|---|
2012 | 2014 | 2016 | ||
1. Is there a good match with domain? | Identifying RA Flare Core Domains: Focus groups6/Delphi exercises19 | * | ||
Face and content validity1, 2, 14, 18 | * | * | * | |
2. Is it feasible to use? | Implementation in clinical trials and observational studies from perspectives of patients, clinicians, other stakeholders1,2; translation into multiple languages | * | * | |
3. Do the numbers make sense? | Reliability, concurrent, discriminative, convergent, consequential validity1,2; factor analysis and Rasch analysis | * | Passed Eyeball Test | |
4. Can it evaluate change in patients? | Test-retest reliability, responsiveness1 | Passed Eyeball Test | ||
5. Have relevant thresholds been defined? | Preliminary results from ROC curves; work is ongoing to establish thresholds in different populations and settings | Passed Eyeball Test |
OMERACT: Outcome Measures in Rheumatology; RA: rheumatoid arthritis; ROC: receiver-operation characteristic.