A Comparison of Fatigue Scales in Postpoliomyelitis Syndrome

Olavo M. Vasconcelos, Olga A. Prokhorenko, Kay F. Kelley, Alexander H. Vo, Cara H. Olsen, Marinos C. Dalakas, Lauro S. Halstead, Bahman Jabbari, William W. Campbell

Research output: Contribution to journalArticle

25 Scopus citations

Abstract

Vasconcelos Jr OM, Prokhorenko OA, Kelley KF, Vo AH, Olsen CH, Dalakas MC, Halstead LS, Jabbari B, Campbell WW. A comparison of fatigue scales in postpoliomyelitis syndrome. Objective: To examine the applicability and validity of traditional fatigue questionnaires in postpoliomyelitis syndrome (PPS) patients with disabling fatigue. Design: Cross-sectional study. PPS and disabling fatigue were ascertained according to published criteria. Descriptiveness was determined using the McNemar test, and interscale z-score agreement was estimated with Pearson's coefficients. Setting: PPS clinic. Participants: Fifty-six survivors of poliomyelitis: 39 met criteria for PPS, 25 of whom met criteria for disabling fatigue. Interventions: Not applicable. Main Outcome Measures: The Fatigue Severity Scale (FSS), visual analog scale (VAS) for fatigue, and Fatigue Impact Scale (FIS). Results: Twenty-four patients scored 50% or higher on the scale range for FSS, compared with 19 patients for VAS for fatigue (P=.042), and 7 patients for FIS (P<.001). Scores for patients with disabling fatigue averaged 81.5%, 62%, and 40.9% of the scale range for FSS, VAS for fatigue, and FIS, respectively. Agreement was moderate between the FSS and VAS for fatigue (r=.45, P=.02), but low between FSS and FIS (r=.29, P=.15), and FIS and VAS for fatigue (r=.20, P=.33). Two sample t tests showed significant differences between those with disabling fatigue and those without, based on FSS scores (t=3.8, P<.001), but not for VAS for fatigue or FIS scores. Conclusions: FSS was the most descriptive of the instruments tested. Scores generated by the scales were not interchangeable. Of the 3 scales, FFS seemed to be the most informative for the clinical assessment of fatigue in patients with PPS.

Original languageEnglish (US)
Pages (from-to)1213-1217
Number of pages5
JournalArchives of Physical Medicine and Rehabilitation
Volume87
Issue number9
DOIs
StatePublished - Sep 1 2006
Externally publishedYes

Keywords

  • Fatigue
  • Poliomyelitis
  • Postpoliomyelitis syndrome
  • Rehabilitation

ASJC Scopus subject areas

  • Physical Therapy, Sports Therapy and Rehabilitation
  • Rehabilitation

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    Vasconcelos, O. M., Prokhorenko, O. A., Kelley, K. F., Vo, A. H., Olsen, C. H., Dalakas, M. C., Halstead, L. S., Jabbari, B., & Campbell, W. W. (2006). A Comparison of Fatigue Scales in Postpoliomyelitis Syndrome. Archives of Physical Medicine and Rehabilitation, 87(9), 1213-1217. https://doi.org/10.1016/j.apmr.2006.06.009