Fig. 3

ED-A fibronectin expression and degree of synovitis in OA synovium. a and b Representative confocal microscopy images of ED-A fibronectin staining and synovitis score (n = 8). c ED-A fibronectin expression associated with cell infiltration in the sublining layer and cell thickness of the lining layer. Data were analyzed using the Spearman’s Rho. * P < 0.05, ** P < 0.01