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Macroscopic and micro-CT observation of osteochondral repair using different hydrogel scaffolds. Macroscopic and micro-CT observation after 4 weeks (A) and 8 weeks (B) of implantation. (C) Macroscopic evaluation according to the ICRS macroscopic scores. Quantitation of BMD (D), BV/TV (E), Tb. N (F), Tb. Th (G) and Tb. Sp (H). Scale bar = 2 mm in (A, B). ∗P < 0.05, ∗∗P < 0.01 and ∗∗∗P < 0.001.
