2007
DOI: 10.1016/s1699-258x(07)73594-5
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Propuesta de una versión de consenso del Fibromyalgia Impact Questionnaire (FIQ) para la población española

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Cited by 103 publications
(58 citation statements)
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“…The FIQ has been used in large-scale clinical trials for fibromyalgia therapies (Williams and Arnold, 2011). We used an adaptation of a validated Spanish translation of the FIQ (Esteve-Vives et al, 2007) to assess fibromyalgia symptoms. Internal consistency of the FIQ, measured by Cronbach's alpha coefficient, was estimated at 0.93.…”
Section: Methodsmentioning
confidence: 99%
“…The FIQ has been used in large-scale clinical trials for fibromyalgia therapies (Williams and Arnold, 2011). We used an adaptation of a validated Spanish translation of the FIQ (Esteve-Vives et al, 2007) to assess fibromyalgia symptoms. Internal consistency of the FIQ, measured by Cronbach's alpha coefficient, was estimated at 0.93.…”
Section: Methodsmentioning
confidence: 99%
“…The minimum clinically important reduction in the FIQ was set at 14% of the total FIQ score, as described previously (Bennett et al, 2009a). For calculation purposes, the estimated mean FIQ was 70.5 ± 11.8, which was based on data from a previous study of a Spanish cohort (Esteve-Vives et al, 2007). Initially, the minimum power for detecting between-group differences of at least 14% was set at 85%, with an α value of 0.05.…”
Section: Methodsmentioning
confidence: 99%
“…The questionnaire scoring procedure requires recoding of item 3, and standardizing raw scores for calculating the arithmetic mean value ranging from 0 (lowest impact) to 10 (maximum impact). The consensus version [12] made from the different Spanish FIQ forms was used.…”
Section: Methodsmentioning
confidence: 99%