• J Pain Symptom Manage · Feb 2019

    Clinimetric Properties Of The Brief Fatigue Inventory Applied To Oncological Patients Hospitalized For Chemotherapy.

    • Andréia Ferreira Nunes, Cristiane Orlanda Bezerra, Jaqueline Dos Santos Custódio, Celena Freire Friedrich, Indiara Soares de Oliveira, and Adriana Claudia Lunardi.
    • Master's and Doctoral Programs in Physical Therapy of Universidade Cidade de São Paulo, São Paulo, Brazil; Department of Physical Therapy of AC Camargo Cancer Center, São Paulo, Brazil. Electronic address: adriana.lunardi@unicid.edu.br.
    • J Pain Symptom Manage. 2019 Feb 1; 57 (2): 297-303.

    BackgroundThe clinimetric properties of the Brief Fatigue Inventory (BFI) were not previously assessed in oncological patients hospitalized for chemotherapy.ObjectiveTo assess the reliability and validity of the construct, ceiling and floor effects, and responsiveness of the BFI administered to oncological patients hospitalized for chemotherapy.MethodsThis test-retest study included 100 oncological patients hospitalized for chemotherapy. The clinimetric properties tested were as follows: internal consistency (Cronbach's alpha), reliability (intraclass correlation coefficient [ICC2,1] and 95% CI), agreement (standard error of measurement and minimum difference changed [MDC90%]), validity of the construct (Pearson's correlation [r] with the Piper Fatigue Scale), responsiveness (effect size [ES] and correlation), and ceiling and floor effects (minimum and maximum score frequencies). The BFI was applied on the first day of chemotherapy and 48 hours and 15 days after the start of chemotherapy.ResultsThe BFI presented adequate values of internal consistency (α Cronbach = 0.94), substantial reliability [ICC2,1 (95% CI) = 0.87 (0.81 to 0.91)] and very good agreement (standard error of measurement = 1% and MDC90% = -0.37). The BFI had a positive and strong correlation with the Piper Fatigue Scale (r = 0.84; P < 0.001). Internal responsiveness was considered moderate (ES = 0.5), and external responsiveness was absent. A floor effect was present (35%).ConclusionBFI applied to oncological patients hospitalized for chemotherapy replicates its original version with adequate reliability, validity, and internal responsiveness. However, in this population, the BFI showed a floor effect.Copyright © 2018 American Academy of Hospice and Palliative Medicine. Published by Elsevier Inc. All rights reserved.

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