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. 2021 Feb 11;30(3):907–917. doi: 10.1007/s00167-021-06457-3

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© The Author(s) 2021

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Fig. 3 — Total scores of OKS (a) and HSS (b) during the period under review for the BMI graduated groups. OKS Oxford knee score, HSS hospital for special surgery score, preOP preoperative recording, n.s. not significant