Table 1

Inflammation score, clinical and immunostaining data in synovial lining cells of normal synovia, of OA synovia and of RA synovia

  • Scoring of cell reaction: 4+, 75–100% cells positive, 3+, 50–75% cells positive, 2+, 25–50% cells positive, 1+, 1–25% cells positive, ( ), low level of antigen expression,−, all cells negative. Scoring of synovial lining layers: 1, 1–3 cell layers, 2, 4–5 cell layers, 3, 6–8 cell layers, 4, ⩾9 cell layers.

  • ESR, erythrocyte sedimentation rate; RF, rheumatoid factor; NSAID, non-steroidal anti-inflammatory drug; ND, not determined.