The Spanish Version of the Functional Rating Index in Patients With Low Back Pain: Preliminary Results of the Validation Study

Autor: Ivan Medina-Porqueres, PT, RN, MSc, Manuel Torres-Fernandez, PR, Francisco J. Palenque-Lobato, PT, Nina Poljakovic-Kovacev, PR, Antonio Bellido-Da-Conceiçao, PT, Ronald J. Feise, DC, CEBC, Raquel Cantero-Tellez, PT, OT, PhD
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: Archives of Rehabilitation Research and Clinical Translation, Vol 1, Iss 1, Pp - (2019)
Druh dokumentu: article
ISSN: 2590-1095
DOI: 10.1016/j.arrct.2019.100008
Popis: Objective: To assess the reliability, validity, and the psychometric properties of the Spanish version of the Functional Rating Index (Sp-FRI) in a preliminary cohort of patients with low back pain (LBP). Design: Prospective observational multicenter study. Setting: Outpatient physical therapy clinics and units from public and private settings. Participants: Patients with LBP (N=22; 52.5±12.5y) entered the study. Interventions: The translation and cross-cultural adaptation were performed following international guidelines through a 5-step procedure. Main Outcome Measures: The Sp-FRI was administered along with the Spanish version of Roland-Morris Disability Questionnaire (Sp-RMDQ) and numeric pain rating scale (NPRS) index. Preliminary testing included readability, comprehensibility, ceiling and floor effects, reliability, and validity. Statistical analysis was based on the Fernandez-Huerta index, and the calculation of Cronbach alpha, intraclass correlation coefficient (ICC), and Spearmanś correlation coefficient, respectively. All patients completed the Sp-FRI again after 1-2 days to assess its test-retest reliability. Results: None of the participants requested clarification of any of the items at the time of completion. The test-retest reliability of the FRI score was substantial (ICC 0.77). Cronbach alpha was 0.859. Spearman correlation coefficient between Sp-FRI and Sp-RMDQ was 0.66; P
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