Registry Data-Valuable Lessons But Beware the Confounders.

Stammers, J.G. ; Kuo, A. ; Hart, A.J. ; Smeeth, L. ; Skinner, J.A. ;
Registry Data-Valuable Lessons But Beware the Confounders.
J Arthroplasty, 2017;

A mature national joint registry with widespread adoption and audit can successfully demonstrate trends and influence future orthopedic practice. Correlations can be identified; however, this should not be misinterpreted as causality. It is essential to consider confounding when analyzing observational datasets.