Fig. 9. Growth factor levels in BMA and peripheral blood. (A) Platelet-derived growth factor-AB level. (B) Insulin-like growth factor 1 level. (C) Transforming growth factor beta 1 level. (D) Vascular endothelial growth factor level. Asterisks and error bars show the statistical difference between the two groups (*p < 0.05, **p < 0.01). WB: whole blood, PRP: platelet-rich plasma, BMA: bone marrow aspirate, BMAC: bone marrow aspirate concentrate.
