Outcome is not significantly affected by Charnley score, side, or diagnosis.( Table 6) Both cup and stem survival are negatively affected by age under forty, and cemented fixation of the components.

John Charnley, an orthopaedic surgeon, approached Chas. F. Thackray to make artificial hip replacements to his designs.The association between Chas. F. Thackray of Leeds and John (later Professor ...