Figure 4From: Efficacy of autologous bone marrow buffy coat grafting combined with core decompression in patients with avascular necrosis of femoral head: a prospective, double-blinded, randomized, controlled studyLong-term follow-up of disease progression. (A) Rate of progression for the control group and bone-marrow buffy coat (BBC) group of different stage avascular necrosis of femoral head (ANFH) at 3 months’ and 24 months’ follow-up. (B) Cumulative percentage of different Ficat stages of hip in the control and BBC group at pre-operation, 3 months post-operation, and 24 months post-operation.Back to article page