Table 4.

Logistic regression model identifying independent factors associated with risk of 30-day readmission among diabetics and non-diabetics with critical limb ischemia 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	0.91 (0.85–0.97)	<0.01	High Quality	0.94 (0.88–1.00)	0.06
Male Gender	1.00 (0.95–1.05)	0.96	Male Gender	0.97 (0.92–1.02)	0.21
Age			Age
65–69 yrs	Ref		65–69 yrs	Ref
70–79 yrs	1.07 (1.00–1.13)	0.05	70–79 yrs	1.09 (1.02–1.19)	<0.05
≥ 80 yrs	1.21 (1.13–1.30)	<0.01	≥ 80 yrs	1.36 (1.27–1.47)	<0.01
Black Race	1.11 (1.03–1.19)	<0.01	Black Race	1.19 (1.10–1.31)	<0.01
Charlson Comorbidity			Charlson Comorbidity
Score 0–2	Ref		Score 0–2	Ref
Score 2–4	1.32 (1.17–1.48)	<0.01	Score 2–4	1.20 (1.10–1.30)	<0.01
Score 4–6	1.73 (1.52–1.96)	<0.01	Score 4–6	1.50 (1.38–1.64)	<0.01
Score >6	2.61 (2.32–2.94)	<0.01	Score >6	2.11 (1.94–2.30)	<0.01
Procedure Type			Procedure Type
Open Bypass	Ref		Open Bypass	Ref
Endovascular	0.82 (0.77–0.88)	<0.01	Endovascular	0.83 (0.77–0.88)	<0.01