Table 2: Summary of percentages of cells stained positive with specific antibody to binding site, or nonspecific isotype control, for all 28 cell populations used.

Mean percentage of all 28 cell populations Minimum Maximum
Specific CDIsotype controlSpecific CDIsotype controlSpecific CDIsotype control

CD14+ (macrophage-like synoviocytes)
CD31+ (endothelial cells and macrophage-like synoviocytes)
CD68+ (macrophage-like synoviocytes after intracell staining)0.560.300.000.203.601.20
CD90+ (fibroblast-like synoviocytes)52.190.795.000.0098.002.00