FP6.3 Development and Validation of a Consolidated Hip Arthroscopy Patient-Reported Outcome Measure

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ID: 331336
2026
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Abstract
Abstract ICLA06 - Finetuning FAI Surgery: Advanced Corrections and Avoiding Yatrogenic Instability, Auditorium A (BMCC Level 1), October 8, 2026, 14:00 - 16:00 Introduction Patient-Reported Outcome Measures (PROM) are essential for evaluating outcomes following hip arthroscopy. However, the traditional use of multiple metrics can include redundant questions and be time-consuming for patients. Objectives Therefore, the purpose of this study is to develop and validate a consolidated single hip arthroscopy PROM to reduce redundancy and patient burden while accurately capturing patients’ functional status. Methodology An organizational chart was created across five PROM instruments: the modified Harris Hip Score (mHHS), Hip Outcome Score Activities of Daily Living (HOS-ADL), Hip Outcome Score Sports Subscale (HOS-SSS), Non-Arthritic Hip Score (NAHS), and International Hip Outcome Tool-33 (iHOT-33). Each question was classified as similar or unique. All similar questions were consolidated into one question, while unique items were not changed. All outcome metrics were converted to a 0-100 scale with a higher score indicating a better outcome. Six domains were created as subscales of the overall consolidated score as follows: Pain, Mechanical Symptoms, Range of Motion, Daily Activities, Recreation, and Social/Emotional. Two cohorts were created, one to develop the scoring system and one to validate it. Patients were included if they had complete data on at least one of the five original PROMs at baseline. The development cohort was prospectively enrolled under one institutional IRB, and the validation cohort under a separate institutional IRB, with both cohorts comprising patients undergoing hip arthroscopy for the same indications. The overall score was calculated using the development cohort as the mean of all available converted items. From the resulting questionnaire, linking equations were developed using a linear regression to predict back each of the five original PROM scores from the consolidated scores. External validation was performed on an independent cohort, and agreement was assessed using Pearson R. Results A total of 251 patients were included in the development cohort for the consolidated questionnaire. The classification systems yielded a 61-question instrument, representing a 31.5% reduction from the original 89 items that comprise the five PROM questionnaires. Linking equations demonstrated R2 of 0.556 for mHHS, 0.776 for HOS-ADL, 0.690 for HOS-SSS, 0.832 for NAHS, and 0.889 for iHOT-33. 92 patients were included in the validation cohort. In the validation cohort, back-calculated scores showed strong agreement with directly administered scores, with the Pearson r ranging from 0.82 to 0.95 in the validation. Conclusions Patient survey burden can be a barrier to compliance, and this study created a validated PROM questionnaire for hip arthroscopy that reduced the total question number by 31.5% while demonstrating a strong agreement with traditional PROMs.
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Authors Rachel Poutre, Jacksin Woodrow, Brandon Allen, Rishi P. Earla, Jeffrey S. Mun, Stephen Gillinov, Bilal S. Siddiq, Adarsh Aratikatla, Destiny Kluck, Scott David Martin
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Journal Journal of hip preservation surgery
Year 2026
DOI
10.1093/jhps/hnag043.043
URL
https://doi.org/10.1093/jhps/hnag043.043
Keywords Keywords not found

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