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Quantitative parameter (QP) measurements of osteochondral grafts before and after transplantation. OAT day 0, autograft before implantation; OCA day 14, allograft after 14-day storage before implantation; OAT3, autologous graft after 3 months; OAT6, autologous graft after 6 months; OCA3, allogeneic graft after 3 months; OCA6, allogeneic graft after 6 months. OCA, allogeneic graft; OAT, autologous graft; PRP, platelet-rich plasma. #P = 0.002, *P < 0.001, **P = 0.001.
