| Characteristics | AS; n=108 | PsA; n=239 |
|---|---|---|
| Age (Mean±SD) | 46.9±12.7 | 53.4±11.9 |
| Male (%) | 62.0 | 42.7 |
| CRP (mg/L) (Mean±SD) | 14.8±22.5 | 11.8±18.0 |
| Previous NSAID exposure (%) | 61.1 | 24.7 |
| Previous cDMARD exposure (%) | 39.8 | 72.8 |
| Previous bDMARD exposure (%) | 68.5 | 72.8 |
| Lack of efficacy of prev. bDMARD (%) | 82.4 | 85.1 |