Outcome Measurement & Instrument Science

In the OMERACT framework, Discrimination refers to an outcome measure’s ability to distinguish between situations of interest.

the degree to which the scores of a patient-reported outcome (PRO) instrument (or any measurement tool) correspond with those from an established “gold standard” that measures the same concept.

an agreed minimum collection of outcomes ‚Äî defined as domains and their corresponding measurement instruments ‚Äî that should be measured and reported in all clinical trials, longitudinal outcome studies…

an agreed-upon group of outcome domains considered essential to define and report in all clinical trials and other research studies related to a specific health condition or disease.

a key aspect of health or well-being that is considered critically important to define, measure, and report in all clinical trials and other research studies related to a specific health condition or disease.

a broad aspect of health or a health condition that must be measured to properly assess the effects of a health intervention.

the extent to which a measurement tool truly measures the theoretical concept (construct) it is intended to measure.

he extent to which an instrument adequately reflects the concept it is intended to measure.

is a clearly defined idea or construct that forms the foundation for measurement in medical product development and evaluation.

is an outcome measure that combines several specified component outcomes into a single, unified domain.