Validation of a new glucocorticoid-specific Patient-Reported Outcome Questionnaire (the Steroid Patient-reported Outcome (PRO))
Authors' conclusion
The Steroid PRO is a 15-item, valid and reliable scale for measuring the impact of glucocorticoid therapy in people with rheumatic diseases.
Study context
- Population
- Adults from the UK, USA, Australia and New Zealand taking GC for a rheumatic disease833 (88%) women
- Participants
- 946 adults
- Outcome
- Scale structure and psychometric properties of the Steroid PRO
Methodological detailssurvey, psychometric validation, Rasch measurement model, exploratory factor analysis, test-retest (follow-up 3-5 days later)
- Survey
- Psychometric validation
- Rasch measurement model
- Exploratory factor analysis
- Test-retest (follow-up 3-5 days later)
Main finding
As reported in the abstract
Items removed due to lack of fit to Rasch model
25
Intraclass correlation coefficient (total score), excellent test-retest reliability
0.809
Observational data: associations, not effects.
Original publication
Validation of a new glucocorticoid-specific Patient-Reported Outcome Questionnaire (the Steroid PRO). Ann Rheum Dis. Published 15 February 2024. doi:10.
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