FIGURE LEGENDS
Figure 1. Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) flowchart of the analysis.
Figure 2 . Forest plot of net split results of direct, indirect evidence and network estimates for operative mortality.
Figure 3. Forest plot of net split results of direct, indirect evidence and network estimates for the postoperative incidence of stroke.
Figure 4. Forest plot of net split results of direct, indirect evidence and network estimates for the postoperative incidence of acute kidney insufficiency.
Figure 5. Network graphs for all comparisons of the reported outcomes. The thickness of the beams indicates how commonly a comparison was found in the network analysis, in relation to the other comparisons.
Figure 6. Forest plot of net split results of direct, indirect evidence and network estimates for the postoperative incidence of stroke (randomized controlled trials and propensity score matched studies).