Table 3.

Adjusted logistic regression results of subsample: only those who receive an LLA (n = 68,633) and odds of timing of LLA

Patient characteristic	LLA 1–3 years post-DFU	P value	LLA ≥3 years post-DFU	P value
HCC score	0.97 (0.96–0.98)	<0.0001	0.89 (0.88–0.90)	<0.0001
Age	0.98 (0.98–0.98)	<0.0001	0.98 (0.97–0.98)	<0.0001
National ADI (weighted)	1.00 (1.00–1.00)	0.012	1.00 (1.00–1.00)	<0.0001
Sex (ref = male)
Female	1.07 (1.02–1.11)	0.0017	1.08 (1.03–1.12)	0.0009
Race/ethnicity (ref = Non-Hispanic White)
Black/AA	0.74 (0.71–0.78)	0.001	0.69 (0.65–0.72)	0.01
Asian	0.77 (0.66–0.91)	0.38	0.69 (0.58–0.84)	0.34
Hispanic	0.78 (0.71–0.86)	0.28	0.73 (0.65–0.81)	0.50
Native American	0.72 (0.59–0.88)	0.13	0.57 (0.45–0.72)	0.0082
Other	0.90 (0.79–1.03)	0.14	0.84 (0.73–0.98)	0.11
Unknown	0.89 (0.71–1.10)	0.45	0.83 (0.66–1.05)	0.35
Comorbidities (ref = none)
Chronic kidney disease	0.94 (0.87–1.00)	0.06	0.58 (0.54–0.61)	<0.0001
Peripheral vascular disease	0.53 (0.49–0.58)	<0.0001	0.30 (0.28–0.33)	<0.0001
Stroke/TIA	1.13 (1.09–1.18)	<0.0001	1.14 (1.09–1.20)	<0.0001
Heart disease	0.92 (0.86–0.98)	0.016	0.85 (0.79–0.91)	<0.0001
Acute myocardial infarction	1.11 (1.06–1.17)	<0.0001	1.08 (1.02–1.14)	0.012

Data are presented as the OR (95% CI). Reference is to those who received an LLA within 1 year of the index DFU.