Table 4.

Predictors for wound healing.

	Univariate analysis			Multivariate analysis
	HR	95% CI	P value	HR	95% CI	P value
Age (yr)	1.00	(0.98–1.02)	.678
Gender (Male vs Female)	1.49	(0.87–2.57)	.147
Current smoking	1.33	(0.57–3.09)	.510
Current dialysis	0.70	(0.40–1.22)	.211
Chronic kidney disease	0.57	(0.34–0.94)	.027	0.62	(0.36–1.07)	.086
Hemoglobin	1.12	(1.02–1.24)	.020	1.02	(0.90–1.15)	.788
Rutherford classification (6 vs 5)	0.43	(0.25–0.72)	.001	0.46	(0.26–0.82)	.008
University of Texas classification
Grade 0 as reference
Grade 1	0.57	(0.26–1.26)	.166
Grade 2	0.50	(0.21–1.20)	.121
Grade 3	0.35	(0.15–0.84)	.019
Infection	0.78	(0.47–1.28)	.326
Occluded plantar arch	0.57	(0.34–0.98)	.044	0.58	(0.33–1.01)	.055
Run-off vessel number after EVT	1.72	(1.19–2.51)	.004	1.65	(1.09–2.51)	.018
Prostaglandin E1 use	1.21	(0.70–2.08)	.492
Femoropopliteal drug-coating balloon	0.57	(0.26–1.25)	.158
Infra-popliteal drug-coating balloon	1.02	(0.53–1.95)	.961
Mean pre-EVT temperature of whole foot	1.07	(0.98–1.17)	.111
Mean post-EVT temperature of whole foot	1.11	(1.01–1.21)	.026	1.07	(0.96–1.19)	.218
DIFF1	1.10	(0.92–1.31)	.310
DIFF2	1.46	(1.01–2.09)	.041	1.06	(0.73–1.52)	.774