骨科与运动医学：Statistical Analysis Plan for the REDEP study: Effectiveness of dual-mobility cups for preventing dislocation after primary total hip arthroplasty by a posterolateral approach compared to unipolar cups in elderly patients
原文摘录：Periprosthetic hip dislocation is a frequent complication after primary total hip arthroplasty. Observational studies suggest that dual mobility cups may reduce dislocation risk to approximately 1%, but definitive randomized evidence supporting their rout
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