Patient characteristics. Data presented as means (SD)
| p value < | ||||||
|---|---|---|---|---|---|---|
| OA | Diffuse rheumatoid synovitis (A) | Follicular rheumatoid synovitis (B) | OA v A | OA v B | A v B | |
| SD, standard deviation; OA, osteoarthritis; NS, not significant; ESR, erythrocyte sedimentation rate; CRP, C reactive protein; RF, rheumatoid factor; DMARDs, disease modifying antirheumatic drugs. | ||||||
| *Treatment in the last three months before surgery; †Radiological stage of rheumatoid arthritis according to Steinbrocker. | ||||||
| Women/men | 23/9 | 19/5 | 13/3 | NS | NS | NS |
| Age (years) | 58.1 (13.4) | 52.8 (12.4) | 56.9 (14.2) | NS | NS | NS |
| Disease duration (years) | 14.6 (11.4) | 16.9 (8.2) | 12.9 (6.4) | NS | NS | NS |
| ESR (mm/1st h) | 16.1 (10.9) | 46.7 (12.4) | 60.6 (20.8) | 0.001 | 0.001 | 0.05 |
| CRP (mg/l) | 5.9 (4.5) | 32.6 (11.8) | 43.1 (12.6) | 0.001 | 0.001 | 0.05 |
| Swollen joints | – | 13.0 (3.1) | 16.5 (3.6) | – | – | 0.01 |
| Ritchie index | – | 12.9 (3.2) | 14.6 (3.1) | – | – | NS |
| RF positive patients | – | 16/24 | 12/16 | – | – | NS |
| DMARDs* | – | 15/24 | 14/16 | – | – | NS |
| Methotrexate* | – | 9/24 | 12/16 | – | – | 0.05 |
| Radiological stage III or IV† | – | 12/24 | 14/16 | – | – | 0.05 |