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01-12-2020 | Hip Arthroscopy | Review Article

Reporting Clinical Significance in Hip Arthroscopy: Where Are We Now?

Authors: Breanna A. Polascik, BS, Jeffrey Peck, MD, Nicholas Cepeda, BS, Stephen Lyman, PhD, Daphne Ling, PhD

Published in: HSS Journal ® | Special Issue 2/2020

Abstract

Background

Although p values are standard for reporting statistical significance of patient-reported outcome measures (PROMs), the shift toward clinically important outcome values, including minimal clinically important difference (MCID) and substantial clinical benefit (SCB), necessitates re-evaluation of the current literature.

Questions/Purposes

We sought to answer two questions regarding studies on primary hip arthroscopy performed for the treatment of femoroacetabular impingement syndrome (FAIS). (1) Do such studies reporting statistical significance on common PROMs meet published MCID/SCB thresholds? (2) What proportion of such studies report both statistical and clinical significance?

Methods

We identified four papers published in two journals defining MCID/SCB values on the modified Harris Hip Score (mHHS), Hip Outcome Score–Activities of Daily Living (HOS-ADL), Hip Outcome Score-Sport (HOS-Sport), international Hip Outcome Tool (iHOT-33), and its short version (iHOT-12) for different groups of FAIS patients undergoing hip arthroscopy. We reviewed these two journals from the dates of publication to the present to identify papers reporting changes in post-operative PROMs. The difference in pre- and post-operative scores on each PROM was calculated and compared to MCID/SCB thresholds.

Results

Twelve studies were included. Ten studies (83%) evaluated mHHS (90% met MCID, 50% met SCB), seven (58%) evaluated HOS-ADL (100% met MCID/SCB) and HOS-Sport (100% met MCID, 57% met SCB), and one (8%) evaluated iHOT-33 (met MCID/SCB) and iHOT-12 (met MCID). Most studies met MCID and SCB at both 1- and 2-year timepoints. Of the studies evaluated, 50% reported clinical relevance.

Conclusions

Nearly all studies evaluated met MCID, while fewer met SCB. Only half discussed these clinical measures. It is proposed that all future studies report both statistical and clinical significance as standard best practice.

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Title: Reporting Clinical Significance in Hip Arthroscopy: Where Are We Now?
Authors: Breanna A. Polascik, BS
Jeffrey Peck, MD
Nicholas Cepeda, BS
Stephen Lyman, PhD
Daphne Ling, PhD
Publication date: 01-12-2020
Publisher: Springer US
Keywords: Hip Arthroscopy
Arthroscopy
Impingement Syndromes
Arthroscopy
Published in: HSS Journal ® / Issue Special Issue 2/2020
Print ISSN: 1556-3316
Electronic ISSN: 1556-3324
DOI: https://doi.org/10.1007/s11420-020-09759-3

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Springer Medicine

Reporting Clinical Significance in Hip Arthroscopy: Where Are We Now?

Abstract

Background

Questions/Purposes

Methods

Results

Conclusions

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Background

Questions/Purposes

Methods

Results

Conclusions

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