Demographic features of 16 patients with psoriatic arthritis at baseline
| Characteristic | Mean (SD) or number |
|---|---|
| *Damage defined as either joint ankylosis, flail joint, prior surgery, or ⩾20% reduction in range of movement not related to inflammation; †defined as radiological evidence of joint ankylosis, flail joint, or total joint disorganisation scoring 4 on the modified Steinbrocker’s scale. | |
| Sex (M/F) | 12/4 |
| Age (years) | 48.3 (11.7) |
| Disease duration (years) | 13.8 (9.3) |
| DMARD exposure | 3.5 drugs per patient |
| Current DMARDs | Methotrexate (10), methotrexate and azathioprine (1), chloroquine (1), none (4) |
| Active joint count (total counted 68) | 22.5 (11.2) |
| Swollen joint count (total counted 66) | 9.1 (5.3) |
| Clinically damaged joints* (total counted 68) | 11.4 (15.7) |
| Radiological damage using Steinbrocker’s score (total counted 42) | 11.3 (14.5) |
| Spondyloarthritis (n = 15) | |
| Sacroiliitis | 8 |
| Classical syndesmophytes | 1 |
| Arthritis mutilans† (n = 15) | |
| 1–4 joints | 0 |
| ⩾5 joints | 5 |
| Dactylitis | 2 |
| Enthesitis (calcaneal/Achilles) | |
| Clinical | 3 |
| Radiological (n = 15) | 6 |
| PASI | 4.5 (4.9) |