- Title
- Psychometric properties of patient-reported outcome measures for hip arthroscopic surgery
- Creator
- Kemp, Joanne; Collins, Natalie; Roos, Ewa; Crossley, Kay
- Date
- 2013
- Type
- Text; Journal article
- Identifier
- http://researchonline.federation.edu.au/vital/access/HandleResolver/1959.17/101794
- Identifier
- vital:10720
- Identifier
- ISSN:0363-5465
- Abstract
- Background: Patient-reported outcomes (PROs) are considered the gold standard when evaluating outcomes in a surgical population. While the psychometric properties of some PROs have been tested, the properties of newer PROs in patients undergoing hip arthroscopic surgery remain somewhat unknown. Purpose: To evaluate the reliability, validity, responsiveness, and interpretability of 5 PROs (Copenhagen Hip and Groin Outcome Score [HAGOS], Hip Disability and Osteoarthritis Outcome Score [HOOS], Hip Outcome Score [HOS], International Hip Outcome Tool [iHOT-33], and Modified Harris Hip Score [MHHS]) in a population undergoing hip arthroscopic surgery and also to provide a recommendation of the best PROs in patients undergoing hip arthroscopic surgery. Study Design: Cohort study (diagnosis); Level of evidence, 2. Methods: Study participants were adults (mean age, 37 ± 11 years) who had undergone hip arthroscopic surgery 12 to 24 months previously and pain-free, healthy age-matched controls (mean age, 35 ± 11 years). Baseline characteristics including age, height, weight, waist girth, physical activity, and occupation were collected for both groups. The hip arthroscopic surgery group completed the 5 PRO questionnaires on 3 occasions, while the healthy control group completed the PRO questionnaires on 1 occasion. The reliability (test-retest reliability [intraclass correlation coefficient, or ICC] and minimal detectable change [MDC]), validity (construct validity, ability to detect a difference between groups, acceptability including floor and ceiling effects), responsiveness, and interpretability (minimal important change [MIC]) of each measure were calculated. Results: The test-retest reliability of PROs was excellent (ICC, 0.91-0.97), with an MDC of<20%. The HOOS, HAGOS, and iHOT- 33 had acceptable content validity. All PROs demonstrated construct validity and were able to detect a difference between the hip arthroscopic surgery and control groups. No measures demonstrated a floor effect; however, the MHHS and subscales relating to activities of daily living of the HOOS, HOS, and HAGOS demonstrated a ceiling effect. The HOOS, iHOT-33, and MHHS demonstrated adequate responsiveness, and the MIC for all measures was<11 points of a possible 100 points. Conclusion: The PROs of the HOOS and iHOT-33 demonstrate psychometric properties that may enable researchers and clinicians to use them with confidence in a population undergoing hip arthroscopic surgery. The psychometric properties of the MHHS, HOS, and some subscales of the HAGOS are reduced, and these PROs may be less valuable in this group. © 2013 The Author(s). National Health and Medical Research Council (Australia) Health Professional Research Training (Postdoctoral) Fellowship (No. 628918).
- Relation
- American Journal of Sports Medicine Vol. 41, no. 9 (2013), p. 2065-2073
- Rights
- Copyright American Journal of Sports Medicine
- Rights
- This metadata is freely available under a CCO license
- Subject
- Arthroscopic surgery; Hip joint; Outcome measures; Adult; Arthroscopy; Clinical trial; Comparative study; Follow up; Hip; Human; Middle aged; Outcome assessment; Procedures; Psychometry; Reproducibility; Surgery; Methodology; Follow-Up Studies; Humans; Outcome Assessment (Health Care); Psychometrics; Reproducibility of Results; 1106 Human Movement and Sports Science; 0903 Biomedical Engineering; 0913 Mechanical Engineering
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