EP5.2 Substantial Clinical Benefit Thresholds Were Determined Following Revision Hip Arthroscopy at a Minimum 2-Year Follow-Up

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ID: 331037
2026
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Abstract
Abstract Purposes To determine minimum 2-year follow-up thresholds and net change for the substantial clinical benefit (SCB) following revision hip arthroscopy for the modified Harris Hip Score (mHHS), Non-Arthritic Hip Score (NAHS), Hip Outcome Score-Sports Subscale (HOS-SSS), visual analog scale for pain (VAS), and International Hip Outcome Tool-12 (iHOT-12). Methods Prospectively collected data were retrospectively reviewed for patients who underwent revision hip arthroscopy between April 2017-July 2020. Patients with baseline and minimum 2-year post-operative scores for mHHS, NAHS, HOS-SSS, VAS, and iHOT-12 were included. The thresholds for SCB were calculated using an anchor question. Receiver operating characteristic analysis with the area under the curve was used to identify optimal values of the SCB. Multivariate logistic regression was performed to determine predictors of achieving the SCB. Results Sixty-eight patients were included (72.1% females) with a mean age of 32.9 ± 13 years. The SCB thresholds were 85 (net change 22) for the mHHS, 86.25 (net change 16.25) for the NAHS, 91.6 (net change 36.51) for the HOS-SSS, 1.58 (net change 4) for VAS, and 81.27 (net change 58.78) for the iHOT-12. The body mass index was identified as a significant predictor of achieving the absolute SCB threshold for the NAHS (OR, 0.967; CI, 0.940-0.996; P = 0 .027). Conclusions Following revision hip arthroscopy, the minimum 2-year follow-up thresholds (net change) for achieving the SCB for the mHHS, NAHS, HOS-SSS, VAS for pain, and iHOT-12 were 85 (22), 86.25 (16.25), 91.6 (36.51), 1.58 (4), and 81.27 (58.78), respectively. The absolute SCB of the HOS-SSS is the most accurate post-operative assessment of SCB, while the net change in iHOT-12 is the most accurate net change post-operative assessment of SCB. The odds of achieving the absolute SCB threshold were 1.12 times higher for patients with a body mass index ≤ 26.4.
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Authors David R. Maldonado, Omkar N. Prabhavalkar, Saiswarnesh Padmanabhan, Tolani Are, Julio Nerys, Benjamin Domb
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Journal Journal of hip preservation surgery
Year 2026
DOI
10.1093/jhps/hnag043.354
URL
https://doi.org/10.1093/jhps/hnag043.354
Keywords Keywords not found

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