. Author manuscript; available in PMC: 2021 Aug 16.

Published in final edited form as: J Vasc Surg. 2019 May 28;69(6 Suppl):3S–125S.e40. doi: 10.1016/j.jvs.2019.02.016

Table 6.1.

Comparison of risk stratification tools for the chronic limb-threatening ischemia (CLTI) population

Tool	End points	Critical factors	Reference

Taylor et al	Mortality, ambulatory failure (median follow-up of 2 years)	Age, race, ESRD, CAD, COPD, DM, dementia, baseline ambulatory status	Taylor,⁴⁰⁹ 2006
Finnvasc	Perioperative (30-day) mortality, limb loss	DM, CAD, gangrene, urgent operation	Biancari,⁶³ 2007
PREVENT III	AFS (1 year)	ESRD, tissue loss, age >75 years, CAD, anemia	Schanzer,⁶⁴ 2008
BASIL	Survival (2 years)	Age, CAD, smoking, tissue loss, BMI, Bollinger score, serum creatinine concentration, AP (number measured and highest value), prior stroke/TIA	Bradbury,⁶⁵ 2010
CRAB	Perioperative (30-day) mortality, morbidity	Age >75 years, prior amputation or revascularization, tissue loss, ESRD, recent MI/angina, emergency operation, functional dependence	Meltzer,⁶⁶ 2013
Soga et al	Survival (2 years)	Age, BMI, nonambulatory status, ESRD, cerebrovascular disease, tissue loss, left ventricular ejection fraction	Soga,²²⁵ 2014
VQI	AFS (1 year)	Age, tissue loss, DM, CHF, serum creatinine concentration, ambulatory status, urgent operation, weight, bypass conduit used	Simons,⁶⁷ 2016
VQI	Survival (30 days, 2 and 5 years)	Age, CKD, ambulatory status, CAD, CHF, COPD, tissue loss, diabetes, smoking, beta-blocker use	Simons,⁴¹² 2018

AFS, Amputation-free survival; AP, ankle pressure; BASIL, Bypass vs Angioplasty in Severe Ischaemia of the Leg; BMI, body mass index; CAD, coronary artery disease; CNF, congestive heart failure; COPD, chronic obstructive pulmonary disease; CRAB, Comprehensive Risk Assessment for Bypass; DM, diabetes mellitus; ESRD, end-stage renal disease; MI, myocardial infarction; PREVENT III, Project of Ex-vivo Vein graft Engineering via Transfection III; TIA, transient ischemic attack; VQI, Vascular Quality Initiative.