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Objective Percutaneous access for endovascular aortic aneurysm repair (P-EVAR) is less invasive compared with surgical access for endovascular aortic aneurysm repair (S-EVAR). P-EVAR has been associated with shorter recovery and fewer wound complications. However, vascular closure devices (VCDs) are costly, and the economic effects of P-EVAR have important implications for resource allocation. The objective of our study was to estimate the differences in the costs between P-EVAR and S-EVAR. Methods We used a decision tree to analyze the costs from a payer perspective throughout the course of the index hospitalization. The probabilities, relative risks, and mean difference summary measures were obtained from a systematic review and meta-analysis. We modelled differences in surgical site infection, lymphocele, and the length of hospitalization. Cost parameters were derived from the 2014 …