Comparative responsiveness and minimally important difference of Fatigue Symptom Inventory (FSI) scales and the FSI-3 in trials with cancer survivors.
Catherine E MosherEkin SecintiShelley A JohnsKurt KroenkeLaura Q RogersPublished in: Journal of patient-reported outcomes (2022)
Four FSI scales show similar responsiveness to change, and estimated MIDs can inform assessment of meaningful change in fatigue. The FSI-3 shows promise as an ultra-brief fatigue measure for survivors.