FIGURE 2.

(A) Records by digital photographs of flaps in three different zones. General observations of the surviving and necrotic parts of the flaps. (B) Flap survival rate on day 7. Roxadustat promoted the survival rate of skin flaps.**P < .01.

(A) Records by digital photographs of flaps in three different zones. General observations of the surviving and necrotic parts of the flaps. (B) Flap survival rate on day 7. Roxadustat promoted the survival rate of skin flaps.**P < .01.