Fatigue Severity Scale

 

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Objective
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The Fatigue Severity Scale is a 9-item scale which measures the severity of fatigue and its effect on a person's activities and lifestyle in patients with a variety of disorders

Intended Population
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Those with a variety of diagnoses including arthritis, fibromyalgia, geriatrics, multiple sclerosis, Parkinson’s disease, stroke

Method of Use[edit | edit source]

  • A 9 item questionnaire with questions related to how fatigue interferes with certain activities and rates its severity.
  • The items are scored on a 7 point scale with 1 = strongly disagree and 7= strongly agree.
  • The minimum score = 9 and maximum score possible = 63. Higher the score = greater fatigue severity.
  • Another way of scoring: mean of all the scores with minimum score being 1 and maximum score being 7.
  • Self report scale.

Reference
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Evidence[edit | edit source]

Reliability[edit | edit source]

Test-retest Reliability

Parkinson's Disease:

(Valderramas et al, 2012; n = 30, mean age = 62 (11) years, mean time post- PD = 7.6 (6.5) years) [1]

  • The evaluation of the FSS-BR (Fatigue Severity Scale-Brazilian-Portuguese version) suggests an excellent Test-retest reliability (ICC = 0.91)

Interrater/Intrarater Reliability

Not established

Validity[edit | edit source]

Responsiveness[edit | edit source]

Miscellaneous
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Links[edit | edit source]

Fatigue Severity Scale

Recent Related Research (from Pubmed)[edit | edit source]

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References[edit | edit source]

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  1. Valderramas, S., Feres, A. C., et al. "Reliability and validity study of a Brazilian-Portuguese version of the fatigue severity scale in Parkinson's disease patients." Arq Neuropsiquiatr 2012 70(7): 497-500