Systematic review and meta-analysis of implant-specific outcomes in inlay and onlay patellofemoral arthroplasty for isolated patellofemoral osteoarthritis.

J Exp Orthop · 2025 · PMC12616491 · PMID 41245722

Europe PMC DOI

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did not reach statistical significancep < 0.001actually significant

The postoperative patellar maltracking rate was 2% overall (1%–3%), with 1% (0%–1%) in the onlay group and 4% (2%–7%) in the inlay group; this difference did not reach statistical significance ( p < 0.001).

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