Fatigue Severity Scale: Difference between revisions
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[[Category:Outcome_Measures]] | [[Category:Outcome_Measures]] [[Category:Parkinson's Disease]] |
Revision as of 05:51, 2 September 2016
Original Editor - Sinead Greenan
Top Contributors - Sinead Greenan, Kim Jackson, Lauren Lopez, Laura Ritchie, Evan Thomas, WikiSysop, Lucinda hampton, Vidya Acharya, Candace Goh, Claire Knott and Wanda van Niekerk
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]
Criterion Validity (Predictive/Concurrent)
Not established
Construct Validity (Convergent/Discriminant)
Convergent Validity:
Parkinson’s Disease:
- Excellent (r = -0.77) negative correlation with Functional Assessment of Chronic Illness Therapy-Fatigue (FACIT-F) scale (Hagell et al, 2006) [2]
- Excellent (r = 0.62) correlation with Nottingham Health Profile (NHP-EN) scale (Hagell et al, 2006)
- Excellent (r = 0.84) correlation with Parkinson’s Fatigue (PFS) scale (Grace et al, 2006) [3]
- Poor-adequate (r = 0.22-0.47) correlation with Parkinson’s Disease Questionnaire-39 (PDQ-39) scale (Herlofson et al, 2003; n = 66, mean age = 70.8 (9.9) years, time since PD = 70.2 (56.1) months) [4]
Responsiveness[edit | edit source]
Parkinson’s Disease:
Responsiveness to Pharmocological Intervention Mendoca et al, 2007; n = 17 treatment arm, receiving methyphenidate; mean age = 62.2(10), mean H&Y Stage = 2.58(0.5); n = 19 placebo arm, mean age = 66.3(7.6), mean H&Y Stage = 2.38(0.3)
- Those persons in the treatment arm had a significant (p < 0.04) reduction in FSS Score by 6.5 points (from FSS = 43.8 at baseline); Cohen’s d = 0.79
- Smaller reductions in the placebo group did not reach levels of significance Response to Exercise Intervention: Winward et al, 2010; H&Y 0-4. n = 20 exercise group, mean age = 63.4(6.7); n = 19 control group, mean age = 64.9(9.6)
- No significant difference in score reduction between exercise and control group at 12 weeks
Miscellaneous
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Links[edit | edit source]
Recent Related Research (from Pubmed)[edit | edit source]
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References[edit | edit source]
References will automatically be added here, see adding references tutorial.
- ↑ 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
- ↑ Hagell, P., Hoglund, A., et al. "Measuring fatigue in Parkinson's disease: a psychometric study of two brief generic fatigue questionnaires." J Pain Symptom Manage 2006 32(5): 420-432
- ↑ Grace, J., Mendelsohn, A., et al. "A comparison of fatigue measures in Parkinson's disease." Parkinsonism Relat Disord 2007 13(7): 443-445
- ↑ Herlofson, K. and Larsen, J. P. "The influence of fatigue on health-related quality of life in patients with Parkinson's disease." Acta Neurol Scand 2003 107(1): 1-6