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Related Experiment Videos

Continuous-scale physical functional performance test: validity, reliability, and sensitivity of data for the short

M Elaine Cress1, John K Petrella, Trudy L Moore

  • 1Department of Exercise Science and The Gerontology Center, University of Georgia, 300 River Rd, Athens, GA 30602-6554, USA. mecress@coe.uga.edu

Physical Therapy
|March 30, 2005
PubMed
Summary

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The new Physical Functional Performance Test-10 (PFP-10) offers a valid, reliable, and sensitive alternative to the Continuous-Scale Physical Functional Performance Test (CS-PFP). This shorter, community-based version requires less time and space for assessments.

Area of Science:

  • Gerontology
  • Physical Therapy
  • Rehabilitation Science

Background:

  • The Continuous-Scale Physical Functional Performance Test (CS-PFP) provides valid, reliable, and sensitive physical functional capacity measurements.
  • The CS-PFP requires a dedicated laboratory space and approximately one hour for administration.
  • A need exists for a shorter, more accessible version of the CS-PFP.

Purpose of the Study:

  • To develop and validate a short, community-based version of the CS-PFP, termed the PFP-10.
  • To assess if the PFP-10 requires less space and equipment than the CS-PFP.
  • To determine the validity, reliability, and sensitivity of the PFP-10.

Main Methods:

  • Retrospective (n=228) and prospective (n=91) data from participants performing either the CS-PFP or PFP-10 were analyzed.

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  • A 12-week exercise program was implemented to evaluate the PFP-10's sensitivity to change.
  • Statistical analyses included paired t-tests, Pearson correlations, intraclass correlation coefficients (ICC), and delta index (DI) procedures.

    • Main Results:

    • The PFP-10 total score and four of its five domain scores were statistically similar (within 3%) to the CS-PFP.
    • The PFP-10 upper-body strength domain showed a 17% difference but demonstrated high correlation (ICC=.97).
    • PFP-10 scores were consistent across community and laboratory settings (ICC=.85–.97) and sensitive to change (DI=.21–.54).

    Conclusions:

    • The PFP-10 provides valid, reliable, and sensitive measurements of physical functional capacity.
    • The PFP-10 can be confidently utilized as a substitute for the CS-PFP.
    • The PFP-10's community-based nature enhances accessibility for physical function assessments.