Table 2. The Collaborative Research (CORE) Group approach for presentation of results in a rigorously performed systematic review and meta-analysis.

Item	Contents
Figure	PRISMA flow-chart for the search strategy process
	Forest plot for variable 1
	Forest plot for variable 2
	Forest plot for variable 3
	Risk of bias summary/graph, if applicable
	Meta-regression analysis graph, if applicable
Table	Study characteristics of included articles
	Baseline characteristics of included studies
	Table outlining details of surgical techniques, inclusion and exclusion criteria, follow-up protocols for each study
Supplementary Table	Search strategy for at least one database
	A completed PRISMA or AMSTAR checklist
Supplementary Figure	Any other relevant forest plots
	Funnel plot and trim-and-analysis plots. This can alternatively be included as a main figure