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Fig. 4 | BMC Musculoskeletal Disorders

Fig. 4

From: Increasing comorbidity is associated with worsening physical function and pain after primary total knee arthroplasty

Fig. 4

X-axis shows both pre-operative and the post-operative periods since TKA, including the baseline post-operative score at 6–12 months post-index TKA and the subsequent 12–24 month intervals. The Y-axis shows WOMAC pain and physical function (PF) subscale scores and SF-36 PF and bodily pain (BP) subscale scores, which are out of 100 points. On WOMAC, 0 is the best score and 100, the worst score; on SF-36, 0 is the worst and 100, the best score

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