An individualized decision aid for physicians and patients for total knee replacement in osteoarthritis (Value-based TKR study): Study protocol for a multicenter, stepped wedge, cluster randomized controlled trial

Total knee replacement (TKR) is one of the most commonly performed routine procedures in the world. Prognostic studies indicate that the number of TKR will further increase constituting growing burden on healthcare systems. There is also substantial regional heterogeneity in TKR rates within and between countries.