Fig. 3.

Correlation between the expression levels of inflammatory mediators and growth factor in the medial perimeniscal synovial tissue with both the radiographic parameters and patient-oriented outcome measures for knee OA of the patients. Circles and triangles indicate the data from patients with K/L 4 and those with K/L 2 or 3, respectively (n = 23). JSW joint space width, FTA femoro-tibial angle, JKOM Japanese Knee Osteoarthritis measure