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Validity and reliability of the FSS in Greek MS patients.
MedLine Citation:
PMID:  23888275     Owner:  NLM     Status:  Publisher    
OBJECTIVES: The study provided validity and reliability evidence of the Fatigue Severity Scale (FSS) in Greek patients with multiple sclerosis (MS).
MATERIALS AND METHODS: The FSS was administered to 72 MS patients, without co morbid fatigue and 75 matched paired controls with respect to gender and age. Both groups responded to the FSS, SF-36v2, BDI-II and a demographic questionnaire on two time points separated by a 1-week interval. Exploratory and confirmatory factor analysis was performed to test construct validity, concurrent and divergent validity, internal and test-retest reliability were also examined.
RESULTS: Exploratory and confirmatory factor analysis, intercorrelations with BDI-II (r = 0.552, p < 0.01) and SF-36v2 vitality (r = -0.715, p < 0.01) and physical functioning (r = -0.673, p < 0.01) subscales, and differences between patients and non patients (t (145) = 6.007, p < 0.001), revealed sufficient construct, concurrent and divergent validity evidence. The factor analysis demonstrated a unidimensional structure Cronbach alpha (0.953) and ICC (0.889) was high, indicating that the responses of our sample were internally consistent and stable across time.
CONCLUSION: The Greek version of FSS is valid and reliable and may be used by clinicians and researchers to assess fatigue of Greek MS patients.
Daphne Bakalidou; Emmanouil K Skordilis; Sotirios Giannopoulos; Elefterios Stamboulis; Konstantinos Voumvourakis
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-7-5
Journal Detail:
Title:  SpringerPlus     Volume:  2     ISSN:  2193-1801     ISO Abbreviation:  Springerplus     Publication Date:  2013 Dec 
Date Detail:
Created Date:  2013-7-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101597967     Medline TA:  Springerplus     Country:  -    
Other Details:
Languages:  ENG     Pagination:  304     Citation Subset:  -    
Department of Physiotherapy, TEI of Athens, 4 Apollonos street, N. Makri, 19005 Athens, Greece ; Department of Neurology, School of Medicine, University of Ioannina, Ioannina, Greece.
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