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Titre : | The Lower Extremity Physical Function Patient-Reported Outcome Measure Was Reliable, Valid, and Efficient for Patients With Musculoskeletal Impairments (2021) |
Auteurs : | Daniel Deutscher ; Michael A. Kallen ; Deanna Hayes ; Mark W. Werneke ; Jerome E. Mioduski ; Carole A Tucker ; Karon F. Cook |
Type de document : | Article |
Dans : | Archives of Physical Medicine and Rehabilitation (Vol. 102, n° 8, 2021) |
Article en page(s) : | p. 1576-1587 |
Note générale : | https://doi.org/10.1016/j.apmr.2021.02.005 |
Langues: | Anglais |
Descripteurs : |
HE Vinci Membre inférieur ; Mesures des résultats rapportés par les patients (PROM) ; Performance fonctionnelle physique ; Réadaptation |
Résumé : |
Objective
To calibrate the Lower Extremity Functional Scale (LEFS) items into a regional lower extremity physical function (LEPF) item bank and assess reliability, validity, and efficiency of computerized adaptive test (CAT) and short form (SF) administration modes. Design Retrospective cohort. Setting Data were collected from patients treated in outpatient rehabilitation clinics for musculoskeletal impairments of the hip, knee, foot, and ankle that responded to all 20 LEFS items at intake. Participants Patients aged 14 years or older who started an episode of care during January 2016-October 2019 and identified the lower extremity region as the source of a primary musculoskeletal complaint. Total cohort included 78,186 patients (mean age, 53±19y, range, 14-89y). Interventions Not applicable. Main Outcome Measures Item response theory (IRT) model assumptions of unidimensionality, local item independence, item fit, and presence of differential item functioning (DIF) were studied. LEPF-CAT and LEPF-SFgenerated scores were evaluated. Results An 18-item solution was supported for its unidimensionality and fit to the IRT model, with reliability estimates >0.9 for all administration modes. No DIF impact on LEPF scores was identified. Scores discriminated between multiple patient groups in clinically logical ways and were highly responsive to change, with negligible floor or ceiling effects. CAT scores were generated using an average of 4.9 items (median, 4). Conclusions The LEPF scores were reliable, valid, and efficient for assessing perceived physical function of patients with musculoskeletal impairments of the hip, knee, foot, and ankle; thus, it was found suitable for research and routine clinical administration. These findings are limited to the type of patients included in this study, with further validation needed to assess their generalizability. |
Disponible en ligne : | Oui |
En ligne : | https://login.ezproxy.vinci.be/login?url=https://www.sciencedirect.com/science/article/pii/S0003999321001751#! |