| Current measurement results (mean and range) | |||
| Schober or modified Schober (0.5 - 21) | 8.2 (0.5 - 21) | 7.0 (1 - 18) | 0.33 |
| Wall to occiput (0 - 37) | 2.8 (0 - 37) | 2.7 (0 - 31) | 0.90 |
| Lateral flexion (0 - 61) | 13.7 (0 - 61) | 11.7 (5 - 22) | 0.54 |
| Chest wall expansion (0 - 7) | 3.8 (0.5 - 7) | 3.7 (0 - 7) | 0.86 |
| CRP (0.1 - 107) | 4.3 (0.2 - 23.5) | 4.0 (0.2 - 20) | 0.81 |
| ESR (1 - 63) | 15.9 (1 - 63) | 12.6 (1 - 45) | 0.36 |
| TJC (0 - 28) | 0.79 (0 - 10) | 1.02 (0 - 28) | 0.81 |
| SJC (0 - 17) | 0.91 (0 - 17) | 0.42 (0 - 7) | 0.31 |
| HAQ (0 - 3) | 0.8 (0 - 2.4) | 0.5 (0 - 2) | 0.06 |
| Patient Global VAS (0 - 10) | 3.8 (0 - 9) | 4.0 (0 - 10) | 0.64 |
| MD Global VAS (0 - 10) | 3.05 (0 - 8) | 3.2 (0 - 9) | 0.80 |
| BASDAI (0 - 9.6) | 4.1 (0 - 9.6) | 3.9 (0 - 9.3) | 0.53 |
| Current treatment | |||
| Nonsteroidal anti-inflammatory drug (NSAID) (%) | 43 | 53 | 0.26 |
| Methotrexate (%) | 4 | 9 | 0.33 |
| Sulfasalazine (%) | 3 | 6 | 0.43 |
| Steroids (%) | 0 | 3 | 0.18 |
| Biologics (%) | 47 | 41 | 0.52 |
| Previous drugs not currently taking | |||
| NSAID (%) | 47 | 39 | 0.33 |
| Methotrexate (%) | 16 | 9 | 0.22 |
| Sulfasalazine (%) | 19 | 10 | 0.17 |
| Steroids (%) | 11 | 9 | 0.60 |
| Biologics (%) | 10 | 17 | 0.24 |
| % with treatment change at current visit | 29 | 29 | 0.72 |
| Reasons for no change despite active disease | |||
| Patient refused (N) | 6 | 6 | |
| Not in steady state yet (N) | 6 | 3 | |
| Contraindicated or comorbidity (N) | 8 | 4 | |
| Other (N) | 6 | 3 |