Subjects are randomised to receive posterior fusion using either the CORUS-LX system or the standard posterior fusion method.

PubMed and the Cochrane Controlled Clinical Trials Register were searched. Reference lists from retrieved articles were also searched by hand for additional studies. For inclusion, an article had to ...

This section describes efficacy outcomes from the published literature that the committee considered as part of the evidence about this procedure. For more detailed information on the evidence, see ...