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Clinical parameters of the study population. Mean (± SD) K&L, NRS and OKS-12 scores of the total study population (Total) and the patients diagnosed with UC or BC OA are presented. Comparing UC OA with BC OA no significant differences in (A) the severity of OA (K&L score), (B) knee pain (NRS) and (C) function (OKS-12) were observed. Unpaired student’s t-test was used for statistical analysis. Data are expressed as mean ± SD.
