. Author manuscript; available in PMC: 2015 Oct 1.

Published in final edited form as: J Vasc Surg. 2014 May 10;60(4):865–874.e1. doi: 10.1016/j.jvs.2014.03.295

Appendix Table 1.

Comorbidity abbreviations and definitions

Comorbidity (abbreviation)	Definition

Hypertension (HTN)	chart history, any antihypertensive drug
Coronary artery disease (CAD)	chart history, angina, coronary artery bypass, percutaneous coronary angioplasty
Chronic obstructive pulmonary disease (COPD)	chart history, smoking history >20 pack/years, abnormal pulmonary function tests, medication
Smoking	current, prior if > 10 pack years
Diabetes (DM)	oral hypoglycemics, insulin
Congestive heart failure (CHF)	New York Heart Association Class II or greater
Chronic renal insufficiency	creatinine ≥1.5 mg/dL, estimated glomerular filtration rate <50 mL/min/1.73m² or dialysis dependence¹³
Dyslipidemia	chart history or medication
Cerebrovascular occlusive disease (CVOD)	transient ischemic attack, stroke, carotid endarterectomy, angioplasty
Peripheral vascular occlusive disease (PVOD)	ankle brachial index < 0.9, prior peripheral arterial open or endovascular intervention