Table 4 -.

Propensity-score matched covariates using radius-based matching

	CFA (n=8,358)	SFA (n=2,520)	%Bias	P value
Age	66.711	66.758	−0.4	0.884
Female Gender	29.8%	30.7%	−2.1	0.460
Caucasian	82.0%	82.6%	−1.6	0.573
Comorbidities
Obese (BMI ≥30)	38.3%	38.5%	−0.4	0.874
Smoking History	37.6%	37.4%	0.4	0.877
Diabetes	51.0%	51.4%	−0.8	0.771
Coronary artery disease	28.8%	28.7%	0.4	0.878
Chronic obstructive pulmonary disorder	35.1%	35.5%	−0.5	0.864
Congestive heart failure	2.2%	2.0%	1.2	0.677
End-stage renal disease	5.2%	4.7%	2.5	0.373
Non-ambulatory status	95.3%	95.1%	1.2	0.668
Pre-operative limb characteristics
Critical limb Ischemia indication	79.4%	79.2%	0.5	0.847
Prior inflow procedure	13.5%	13.5%	0.1	0.960
Prior infrainguinal endovascular intervention	24.6%	25.1%	−1.3	0.644
Medications
Dual anti-platelet	21.1%	21.2%	−0.4	0.896
Oral anticoagulation	37.2%	37.4%	−0.4	0.694
Statin-use	28.1%	28.6%	−1.1	0.914
Procedural Characteristics
Tibial Target	61.8%	61.8%	0.3	0.914
Concurrent proximal endarterectomy	17.7%	17.8%	−0.3	0.919
Concurrent infrainguinal endovascular intervention	5.1%	4.3%	3.3	0.193
Use of prosthetic graft	13.8%	13.7%	0.3	0.896