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Fatigue Severity Scale
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'''Fatigue Severity Scale''' or '''FFS''' is a nine-item questionnaire designed in 1989 by Lauren B. Krupp, MD, Nicholas G. LaRocca, PhD, Joanne Muir-Nash, RN, and AlfredD. Steinberg, MD. It was developed to measure [[fatigue]] in patients with neurological illnesses, in particular, [[multiple sclerosis]] and [[systemic lupus erythematosus]].<ref>Krupp LB, LaRocca NG, Muir-Nash J, Steinberg AD. The fatigue severity scale: Application to patients with multiple sclerosis and systemic lupus erythematosus. Archives of Neurology. 1989;46:1121β1123.</ref> In 2011, [[Leonard Jason|Jason]], et al, showed when used with [[ME/CFS]] patients it had high reliability. They found that a Fatigue Severity Scale score of >4.95 would select 90% of CFS cases, and 84% of the time would correctly identify negative cases.<ref name=":0">{{Cite journal | last = Jason | first = Leonard A. | author-link = Leonard Jason | last2 = Evans | first2 = Meredyth | authorlink2 = Meredyth Evans | last3 = Brown | first3 = Molly | authorlink3 = Molly Brown | last4 = Porter | first4 = Nicole | authorlink4 = Nicole Porter | last5 = Brown | first5 = Abigail | authorlink5 = Abigail Brown | last6 = Hunnell | first6 = Jessica | authorlink6 = Jessica Hunnell | last7 = Anderson | first7 = Valerie | author-link8 = Valerie Anderson | last8 = Lerch | first8 = Athena | author-link8 = Athena Lurch | date = 2011 | title = Fatigue Scales and Chronic Fatigue Syndrome: Issues of Sensitivity and Specificity| url = https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3181109/|journal=Disability studies quarterly : DSQ|volume=31|issue=1 | pages = |issn=1041-5718|pmc=3181109|pmid=21966179|quote=|via=}}</ref> Some advantages for its use with [[ME/CFS]] patients are that the FSS questionnaire is brief to administer, it measures not just fatigue but the effect of fatigue on function, and has been used in widely in ME/CFS clinically and in research. A limitation is that the FSS may be susceptible to ceiling effects as many [[ME/CFS]] patients score close to or at the maximum score, so it is not suitable for [[severe and very severe ME]] patients.<ref>{{Cite web | url = https://www.commondataelements.ninds.nih.gov/ReportViewer.aspx?/nindscdereports/rptNOC&rs:Command=Render&rc:Parameters=false&crfID=F2714 | title = Report Viewer | last = NIH| first = | authorlink = National Institutes of Health | date = | website = commondataelements.ninds.nih.gov|archive-url=|archive-date=|url-status=|access-date=2018-12-04}}</ref> The Fatigue Severity Scale copyright belongs to Dr. Lauren Krupp. It is freely available for non-profit research, but for pharmaceutical studies, permission required for use.<ref>{{Cite web | url = https://www.commondataelements.ninds.nih.gov/ReportViewer.aspx?/nindscdereports/rptNOC&rs:Command=Render&rc:Parameters=false&crfID=F2714 | title = Report Viewer | last = NIH| first = | authorlink = National Institutes of Health | date = | website = commondataelements.ninds.nih.gov|archive-url=|archive-date=|url-status=|access-date=2018-12-04}}</ref> ==Notable studies== *2011, Fatigue Scales and [[Chronic Fatigue Syndrome]]: Issues of Sensitivity and Specificity<ref name=":0" /> [https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3181109/ (Full Text)] ==Learn more== *[https://www.commondataelements.ninds.nih.gov/ReportViewer.aspx?/nindscdereports/rptNOC&rs:Command=Render&rc:Parameters=false&crfID=F2714 NINDS CDE Notice of Copyright: Fatigue Severity Scale (FSS)] ==See also== *[[Multidimensional Fatigue Inventory-20]] *[[Energy Index Point Score]] *[[Chalder fatigue scale]] ==References== {{Reflist}} [[Category:Tests]] [[Category:Symptom scales]]
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