Observational studyRheumatology (Oxford, England)2025
Patient-reported outcome for physical function in idiopathic inflammatory myopathy.
Observational study in Rheumatology (Oxford, England), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed.
- Comment on: Impaired health-related quality of life in idiopathic inflammatory myopathies: a cross-sectional analysis from the COVAD-2 e-survey: Reply.Rheumatology advances in practice · 2024Article
Corrections and comments
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Authors and funding
7 authors.
Funding
Abstract
objectivesThere is an unmet need to develop patient-reported outcomes measures for idiopathic inflammatory myopathies (IIM). We aimed to investigate the feasibility, compliance and psychometric properties of the National Institutes of Health's Patient-Reported Outcomes Measurement Information System (PROMIS) physical function-20 (PF-20) in a large US IIM population.
methods'Myositis Patient Centered Tele-Research' (My PACER) is a multicentre prospective observational study of IIM patients, competitively recruited through traditional in-person clinic visits [centre-based cohort (CBC)], and remotely using smartphone- and web-based technology [tele-research cohort (TRC)]. The CBC was further randomly divided (1:1 ratio) into a traditional local subcohort and a remote subcohort. Data collected included patient-reported outcomes and other patient self-assessments monthly for 6 months. Clinician-reported outcomes were obtained at baseline and 6 months.
resultsA total of 120 IIM patients were enrolled (82 TRC/38 CBC, mean ± s.d. age 55 ± 13.4 years, 75% females, 81% Caucasians), with similar demographics and mean PROMIS PF-20 score between cohorts. The PROMIS PF-20 score was not associated with age, sex or race. The compliance and completion rates were similar between TRC and CBC as well as subcohorts. PROMIS PF-20 showed strong test-retest reliability at 1 month. PROMIS PF-20 was significantly associated with all core set measures except extra-muscular global and creatine kinase, as well as with most symptoms, and function and physical activity measures. PROMIS PF-20 illustrated concordant change with myositis response criteria and patient assessment, with a large effect size.
conclusionsPROMIS PF-20 demonstrates favourable psychometric properties including reliability, validity and responsiveness in a large cohort of myositis patients, with similar adherence in local or remotely enrolled patients.
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