This measure estimates the frequency of procedures where a statin and antiplatelet agent was prescribed at discharge for any of the following procedures: Infra-Inguinal Bypass, Supra-Inguinal Bypass, Peripheral Vascular Intervention, Carotid Artery Stent, Carotid Endarterectomy, Thoracic and Complex EVAR, Endovascular AAA Repair, and Open AAA Repair