Table 2.

Cox regression model identifying independent factors associated with major adverse limb events (MALE) in diabetics and non-diabetics with critical limb ischemia (CLI) two years following lower extremity revascularization.

Diabetics with CLI			Non-Diabetics with CLI
Variable	HR (95% CI)	P- value	Variable	HR (95% CI)	P- value
Diabetic Care Quality			Diabetic Care Quality
Low Quality	Ref		Low Quality	Ref
High Quality	0.92 (0.89–0.96)	<0.01	High Quality	0.97 (0.93–1.01)	0.185
Male Gender	1.13 (1.09–1.17)	<0.01	Male Gender	1.07 (1.03–1.11)	<0.01
Age			Age
65–69 yrs	Ref		65–69 yrs	Ref
70–79 yrs	1.04 (0.99–1.08)	0.09	70–79 yrs	1.00 (0.95–1.05)	0.99
≥ 80 yrs	1.17 (1.11–1.24)	<0.01	≥ 80 yrs	1.10 (1.04–1.16)	<0.05
Black Race	1.25 (1.19–1.31)	<0.01	Black Race	1.26 (1.18–1.35)	<0.01
Charlson Comorbidity			Charlson Comorbidity
Score 0–2	Ref		Score 0–2	Ref
Score 2–4	1.47 (1.36–1.59)	<0.01	Score 2–4	1.35 (1.28–1.42)	<0.01
Score 4–6	1.90 (1.76–2.05)	<0.01	Score 4–6	1.61 (1.53–1.70)	<0.01
Score >6	2.96 (2.75–3.19)	<0.01	Score >6	2.15(2.04–2.29)	<0.01
Procedure Type			Procedure Type
Open Bypass	Ref		Open Bypass	Ref
Endovascular	0.90 (0.86–0.94)	<0.01	Endovascular	0.73 (0.70–0.77)	<0.01