| Total | Swich anti-TNF alpha | Swich No anti-TNF alpha | p | |
|---|---|---|---|---|
| n=61 | n=26 | n=35 | ||
| Age (years) | 60.08±11,5 | 56.19±8,4 | 62.97±12,8 | 0.023 |
| Sex (% M) | 80.3 | 84.6 | 77.1 | 0.532 |
| Years evolution (years) | 17.44±9,4 | 18.92±11,6 | 16.34±7,4 | 0.298 |
| Erosion (%) | 90.2 | 92.3 | 88.6 | 1.000 |
| FR+ (%) | 77.0 | 76.9 | 77.1 | 1.000 |
| ACPA+ (%) | 91.8 | 88.5 | 94.3 | 0.642 |