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Physical Performance Tests Correlate With Patient-reported Outcomes After Periacetabular Osteotomy: A Prospective Study.

Publication ,  Journal Article
Scott, EJ; Willey, MC; Davison, JC; Westermann, RW; Paulson, AC; Wilken, JM
Published in: J Am Acad Orthop Surg Glob Res Rev
June 8, 2021

INTRODUCTION: Individuals with hip dysplasia report significant functional disability that improves with periacetabular osteotomy (PAO). Four physical performance measures (PPMs) have been recently validated for use with nonarthritic hip conditions; however, their ability to detect functional improvement and correlate with improvements in popular hip-specific patient-reported outcome (PRO) instruments after PAO is unknown. The purpose of this study was to evaluate the responsiveness of four PPMs up to 1 year after PAO, compare PPMs with established PRO measures at these time points, and report the acceptability and utility of PPMs for assessing outcomes after PAO. METHODS: Twenty-two participants aged 15 to 39 years completed the timed stair ascent (TSA), sit-to-stand five times (STS5), self-selected walking speed, four-square-step test, and seven hip-specific PRO measures before surgery and at approximately 6 months and 1 year after PAO. They completed questions regarding acceptability and utility of both types of testing. Wilcoxon rank sum test and unpaired Student t-tests were used to assess differences between time points; Spearman correlation and generalized linear modeling were used to determine the relationship between PPMs and PRO measures. RESULTS: Six months after PAO, participants showed significant improvements on all seven PRO instruments (P < 0.001) and on the STS5 (P = 0.01). At one year, these improvements were maintained and TSA also improved (P = 0.03). Improvement in other PPMs did not reach significance (P = 0.07 and 0.08). The STS5 test demonstrated moderate to strong correlation (|r| = 0.43 to 0.76, P < 0.05) with all PRO measures, and the TSA test demonstrated moderate to strong correlation with almost all measures (|r| = 0.43 to 0.58, P < 0.05). Correlations strengthened on subanalysis of participants with unilateral disease (n = 11) (|r| = 0.56 to 0.94, P < 0.05). All participants (100%) found PPM testing acceptable despite disability; 25% preferred PPMs to PRO measures, whereas 75% of participants found them equal in usefulness. DISCUSSION: The STS5 and TSA tests demonstrated moderate to very strong correlation with PRO measures at six and 12 months after PAO for dysplasia. These tests could be used as a functional outcome to supplement PRO instruments after PAO.

Duke Scholars

Published In

J Am Acad Orthop Surg Glob Res Rev

DOI

EISSN

2474-7661

Publication Date

June 8, 2021

Volume

5

Issue

6

Location

United States

Related Subject Headings

  • Treatment Outcome
  • Prospective Studies
  • Physical Functional Performance
  • Patient Reported Outcome Measures
  • Osteotomy
  • Humans
  • Acetabulum
 

Citation

APA
Chicago
ICMJE
MLA
NLM
Scott, E. J., Willey, M. C., Davison, J. C., Westermann, R. W., Paulson, A. C., & Wilken, J. M. (2021). Physical Performance Tests Correlate With Patient-reported Outcomes After Periacetabular Osteotomy: A Prospective Study. J Am Acad Orthop Surg Glob Res Rev, 5(6). https://doi.org/10.5435/JAAOSGlobal-D-21-00100
Scott, Elizabeth J., Michael C. Willey, John C. Davison, Robert W. Westermann, Amanda C. Paulson, and Jason M. Wilken. “Physical Performance Tests Correlate With Patient-reported Outcomes After Periacetabular Osteotomy: A Prospective Study.J Am Acad Orthop Surg Glob Res Rev 5, no. 6 (June 8, 2021). https://doi.org/10.5435/JAAOSGlobal-D-21-00100.
Scott EJ, Willey MC, Davison JC, Westermann RW, Paulson AC, Wilken JM. Physical Performance Tests Correlate With Patient-reported Outcomes After Periacetabular Osteotomy: A Prospective Study. J Am Acad Orthop Surg Glob Res Rev. 2021 Jun 8;5(6).
Scott, Elizabeth J., et al. “Physical Performance Tests Correlate With Patient-reported Outcomes After Periacetabular Osteotomy: A Prospective Study.J Am Acad Orthop Surg Glob Res Rev, vol. 5, no. 6, June 2021. Pubmed, doi:10.5435/JAAOSGlobal-D-21-00100.
Scott EJ, Willey MC, Davison JC, Westermann RW, Paulson AC, Wilken JM. Physical Performance Tests Correlate With Patient-reported Outcomes After Periacetabular Osteotomy: A Prospective Study. J Am Acad Orthop Surg Glob Res Rev. 2021 Jun 8;5(6).

Published In

J Am Acad Orthop Surg Glob Res Rev

DOI

EISSN

2474-7661

Publication Date

June 8, 2021

Volume

5

Issue

6

Location

United States

Related Subject Headings

  • Treatment Outcome
  • Prospective Studies
  • Physical Functional Performance
  • Patient Reported Outcome Measures
  • Osteotomy
  • Humans
  • Acetabulum