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Total KOOS score over time in patients treated with intra-articular injection of MFAT. ** p < 0.01; *** p < 0.001 vs. baseline; ## p < 0.01; ### p < 0.001 vs. 6-month follow-up. Pre: n = 202; 6 month: n = 189; 12 month: n = 181; 24 month: n = 150.
