ArticleBulletin of the Hospital for Joint Disease (2013)2025
Sex-based differences in outcomes after surgical management of patellar instability.
Article in Bulletin of the Hospital for Joint Disease (2013), 2025. 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
backgroundThe purpose was to investigate whether pain, function, satisfaction, or return to play (RTP) differs between sexes postoperatively in those undergoing medial patellofemoral ligament (MPFL) reconstruction for patellar instability.
methodsA review of patients who underwent an MPFL reconstruction for patellar instability was performed. Kujala score, visual analogue scale (VAS), patient satisfaction, willingness to undergo surgery again, revisions, RTP, and MPFL-return to sport after injury (MPFL-RSI) score were evaluated. Clinical outcomes were compared between sexes.
resultsOur study included 141 knees that underwent MPFL reconstruction, and the population was 69.5% female. Postoperatively, the mean VAS score at rest was 1.0 ± 1.7 in male patients and 1.6 ± 2.1 in female patients (P = .0963). The mean Kujala score was 88.8 ± 13.3 and 83.5 ± 16.1 for male and female patients, respectively (P = .1062). Overall, there was a significant difference in RTP, with male patients returning at higher rates (58.1 vs. 33.3%, P = .0479). The mean VAS score during activity was significantly lower in male patients at 1.8 compared with female patients at 3 (P = .016). The MPFL-RSI score was also significantly worse in female patients (69.5 vs. 55.6, P = .0098). Although female patients had slightly higher rates of recurrent subjective instability (14.3 vs. 11.7%) and re-dislocation (2 vs. 0%), the difference was not statistically significant (P > .05).
conclusionFemale patients had worse clinical outcomes than male patients undergoing MPFL reconstruction for patellar instability, with significantly lower rates of RTP, VAS score during sport, and MPFL-RSI scores with a trend toward lower Kujala score and VAS score.
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