Identifying meaningful change on PROMIS short forms in cancer patients: a comparison of item response theory and classic test theory frameworks.
Minji K LeeJohn D PeipertDavid CellaKathleen J YostDavid T EtonPaul J NovotnyJeff A SloanAmylou C DueckPublished in: Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation (2022)
Applying the two-step criteria demonstrated in this study, we determined how much change is needed to declare reliable change at different levels of baseline scores. We offer reference values for percentage of patients who meaningfully change for investigators using the PROMIS instruments in oncology.
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