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Fig. 3 | Journal of Orthopaedic Surgery and Research

Fig. 3

From: Predominance of synovial sensory nerve fibers in arthrofibrosis following total knee arthroplasty compared to osteoarthritis of the knee

Fig. 3

Ratio of density of substance P-positive sensory nerve fibers (SP+) divided by density of tyrosine hydroxylase-positive sympathetic nerve fibers (TH+) in the three recesses of the knee joint. A circular symbol is the ratio of one individual patient. Box plots are explained in the legend of Fig. 2. AF arthrofibrosis, n.s. not significant, OA osteoarthritis

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X