Observational studyInternational orthopaedics2026
Functional recovery patterns in adolescent versus adult femoroacetabular impingement patients undergoing nonoperative management.
Observational study in International orthopaedics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundFemoroacetabular impingement affects 14%-17% of young adults; nonoperative physiotherapy has demonstrated outcomes comparable to surgery in selected cohorts. However, age-specific treatment responses remain poorly defined, impeding evidence-based management across age cohorts.
methodsWe conducted a prospective observational cohort study of 120 participants with femoroacetabular impingement at three specialized centres. Participants were stratified into adolescent (≤ 18 years; n = 60) and adult (19-45 years; n = 60) cohorts, each receiving standardized physiotherapy over six months. The primary outcome was a change in the International Hip Outcome Tool-33 score at six months. Secondary outcomes included Hip Outcome Score subscales, biomechanical measures, and return-to-sport rates assessed at six and 12 months. Statistical analysis employed two-sample t-tests and chi-square tests with a two-sided α = 0.025 for primary outcomes.
resultsAt six months, adolescents achieved significantly higher International Hip Outcome Tool-33 scores (72.4 ± 18.3 vs. 61.8 ± 19.7; difference, 10.6 points (95% CI, 3.2-18.0); p = 0.006 and faster time to clinically meaningful improvement (8.2 ± 4.1 vs. 10.7 ± 5.3 weeks; p = 0.012). Adolescents demonstrated superior Hip Outcome Score Activities of Daily Living (88.3 ± 14.2 vs. 82.1 ± 16.8; p = 0.037), modified Harris Hip Scores (85.7 ± 12.8 vs. 79.3 ± 15.2; p = 0.007), and hip range of motion. Return-to-sport rates favored adolescents at 12 months (89.6% vs. 77.6%). Advantages persisted throughout the 12-month follow-up.
conclusionsAdolescent femoroacetabular impingement patients demonstrate superior functional recovery trajectories compared to adults following nonoperative physiotherapy management. These findings support age-stratified treatment algorithms and suggest more favorable prognoses for younger patients pursuing conservative management.
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