Observational studyJournal of patient-reported outcomes2025
Content validity and meaningful change for the FACIT-Fatigue scale in warm autoimmune hemolytic anemia: results from qualitative interview studies with patients.
Observational study in Journal of patient-reported outcomes, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed.
- Using Patient Feedback to Improve Treatment Outcomes for Patients with Congenital Dyserythropoietic Anaemia Type I Receiving Interferon Therapy.Journal of clinical medicine · 2026Article
- Content validity and meaningful change for the FACIT-Fatigue scale in warm autoimmune hemolytic anemia: results from qualitative interview studies with patients.Journal of patient-reported outcomes · 2025Observational
Corrections and comments
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Authors and funding
8 authors.
Funding
Abstract
purposeWarm autoimmune hemolytic anemia (wAIHA) is a rare disorder characterized by premature destruction of red blood cells (hemolysis) and fatigue that affects patients' health-related quality of life. This study aimed to identify fatigue concepts important to patients and evaluate the content validity of the Functional Assessment of Chronic Illness Therapy-Fatigue Scale (FACIT-Fatigue) in the wAIHA patient population. METHODOLOGY: Two observational studies collected data via 60-minute, individual interviews. Eligible participants were English-speaking, US-resident adults diagnosed with wAIHA by a physician. Both studies gathered data regarding fatigue experiences that mattered to patients and comprehension and relevance of the FACIT-Fatigue; one study also gathered data about patient perspectives on meaningful change in item-level response selection.
resultsEach study enrolled 10 individuals with wAIHA (n = 20). All participants described fatigue as the most prominent or most bothersome symptom, with substantial impacts on daily functioning, family and social life, and emotional well-being. The FACIT-Fatigue was well understood, comprehensive, and relevant to participants' experiences with wAIHA. Data analysis indicated that at least a 3-point change in total score likely reflects a meaningful change in fatigue.
conclusionsFatigue is the primary patient-reported wAIHA symptom and important to measure from the patient perspective. Findings demonstrated that wAIHA patients found the FACIT-Fatigue understandable, comprehensive, and relevant, and the data indicated that the instrument can detect a meaningful change in fatigue symptoms and impacts. Study findings support the content validity of the FACIT-Fatigue and contribute to the evidence that the FACIT-Fatigue is fit-for-purpose to evaluate fatigue in adults with wAIHA.
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