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Changes in WOMAC after intra-articular injection of ELIXCYTE® or HA at each time point. WOMAC pain (a), total (b), stiffness (c), and function limitation (d) scores are presented as mean ± SD. 16 M, 32 M, 64 M, and HA = 16, 32, 64 million of ELIXCYTE®, and hyaluronic acid, respectively. The signs of significance, *, #, $, &, § representing a p-value < 0.05 between baseline and posttreatment score comparison for HA, 16 M, 32 M, 64 M, and Pooled group
