Table 6.

Multivariate Risk Factors Associated with Failure

	Odds Ratio	95% CI	p
60-Day failure
African American race	3.46	[1.23, 9.70]	0.02*
Former smoker	3.04	[1.01, 9.14]	<0.05*
Current smoker	0.21	[0.04, 1.22]	0.08
Diabetic ulcer	1.33	[0.23, 7.57]	0.75
Pressure ulcer	8.28	[0.85, 81.03]	0.07
Surgical site wound	0.87	[0.16, 4.81]	0.88
Traumatic wound	0.40	[0.06, 2.84]	0.36
Vascular ulcer	0.16	[0.02, 1.38]	0.10
Wound age	1.54	[1.24, 1.91]	<0.01*
120-Day failure
African American race	2.33	[1.07, 5.11]	0.03*
Diabetes mellitus	1.85	[0.84, 4.08]	0.13
Preoperative wound infection	1.55	[0.61, 3.91]	0.36
Bone excision	2.56	[0.90, 7.33]	0.08
Wound age	1.20	[1.05, 1.38]	0.01*
180-Day failure
Government insurance	2.12	[1.15, 3.10]	0.02*
African American race	2.07	[1.24, 2.91]	0.01*
Tendon exposure	2.09	[1.18, 2.99]	0.02*
Bone exposure	1.27	[0.03, 2.50]	0.68
Preoperative wound infection	1.24	[0.22, 2.26]	0.64
Bone excision	1.91	[0.33, 3.47]	0.26
Wound age	1.32	[1.14, 1.51]	<0.01*

*p < 0.05.