Fig. 2. Major amputation-free survival rates for diabetic foot wound with peripheral arterial occlusive disease (PAOD). (A) Kaplan-Meier survival curves demonstrating major amputation-free survival rate in patients with PAOD as the presence of diabetic foot ulcer or diabetic foot gangrene. (B) Kaplan-Meier survival curves illustrating major amputation free survival rate in PAOD patients with and without revascularization.