Table 2—

Variables achieving independent statistical significance as risk factors for foot infection by multivariate analysis

VariableRisk ratio (95% CI)P value
Wound depth to bone6.7 (2.3–19.9)0.001
Wound duration >30 days4.7 (1.6–13.4)0.004
Recurrent foot wound2.4 (1.3–4.5)0.006
Traumatic wound etiology2.4 (1.1–5.0)0.02
Peripheral vascular disease1.9 (1.0–3.6)0.04