Figure legends
Figure 1- PRISMA flow diagram
Figure 2- Pooled estimates of (A) postoperative stroke and (B) SCI
Figure 3- Pooled estimates of (A) acute kidney injury, (B) bleeding, and (C) in-hospital mortality
Figure 4- The graph shows the effect sizes for (A) postoperative stroke and (B) SCI plotted against the HCA time. The regression line and corresponding confidence intervals are plotted
Supplementary Figure 1- Funnel plots showing the publication bias for (A) postoperative stroke, (B) SCI, (C) acute kidney injury, (D) bleeding, and (E) in-hospital mortality