1. 1) He W, Goodkind D, Kowal P. An Aging World: 2015–International Population Reports. https://en.wikipedia.org/wiki/United_States_Census_Bureau. Accessed Jan 15, 2017.
2. 2) Etzioni DA, Liu JH, O’Connell JB, et al. Elderly patients in surgical workloads; a population-related analysis. Am Surg 2003; 69: 961-5.
3. 3) World Health Organization 2016. World Health Statistics 2016: Monitoring health for the SDGs. http://www.who.int/gho/publications/world_health_statistics/2016/en/. Accessed Jan 15, 2017.
4. 4) Park BD, Azefor NM, Huang CC, et al. Elective endovascular aneurysm repair in the elderly: trends and outcomes from the Nationwide Inpatient Sample. Ann Vasc Surg 2014; 28: 798-807.
5. 5) Goldstein LJ, Halpern JA, Rezayat C, et al. Endovascular aneurysm repair in nonagenarians is safe and effective. J Vasc Surg 2010; 52: 1140-6.