Comparison of self-reported and performance-based measures of functional ability in elderly patients in an emergency department: Implications for selection of clinical outcome measures

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  • Louise M. Nielsen, Department of Physiotherapy and Occupational Therapy, Arhus Universitetshospital, Børne- og Ungdomspsykiatrisk Regionscenter, Risskov, School of Occupational Therapy at VIA University College
  • ,
  • Hans Kirkegaard
  • Lisa Gregersen Østergaard
  • Karina Bovbjerg, Department of Physiotherapy and Occupational Therapy, Aarhus University Hospital
  • ,
  • Kasper Breinholt, Department of Physiotherapy and Occupational Therapy, Aarhus University Hospital
  • ,
  • Thomas Maribo, MarselisborgCentret, DEFACTUM, Central Denmark Region, Department of Public Health, Aarhus University, Aarhus C, Denmark., Danmark

BACKGROUND: Assessment of functional ability in elderly patients is often based on self-reported rather than performance-based measures. This study aims to compare self-reported and performance-based measures of functional ability in a population of elderly patients at an emergency department (ED).

METHODS: Participants were 61 patients aged 65 years and above admitted to an ED. The self-reported measure used was the Barthel-20; the performance-based measures were Timed Up and Go (TUG); 30s-Chair Stand Test (30s-CST) and Assessment of Motor and Process Skills (AMPS) with the two scales; motor and process. Correlation analyses were conducted to examine the relationships between the self-reported and performance-based measures of functional ability.

RESULTS: The correlation between the Barthel-20 and the TUG was moderate (r = -0.64). The correlation between the Barthel-20 and the AMPS motor was also moderate (r = 0.53). The correlation between the Barthel-20 and the 30s-CST was fair (r = 0.45). The correlation between Barthel-20 and the AMPS process was non-significant. The results were affected by high ceiling effect (Barthel-20).

CONCLUSION: Self-reported and performance-based measures seem to assess different aspects of functional ability. Thus, the two methods provide different information, and this highlight the importance of supplementing self-reported measures with performance-based measures when assessing functional ability in elderly patients.

OriginalsprogEngelsk
Artikelnummer199
TidsskriftB M C Geriatrics
Vol/bind16
Nummer1
Sider (fra-til)199
ISSN1471-2318
DOI
StatusUdgivet - 29 nov. 2016

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