Demographic and clinical data of the patients.
| No. of patients (M/F ratio) | 44 (21/23) |
| Mean age, yrs ± SD | 50.8 ± 16.8 |
| Mean disease duration, weeks ± SD | 15.8 ± 14.3 |
| Clinical pattern, n (%) | |
| Tenosynovitis/enthesitis/dactylitis | 19 (43) |
| Oligoarthritis | 16 (37) |
| Polyarthritis | 8 (18) |
| Spondylitis | 1 (2) |
| Skin/nail involvement, n (%) | |
| Current psoriasis | 28 (64) |
| Family history of psoriasis | 14 (32) |
| Isolated nail dystrophy | 2 (4) |
| Overall nail dystrophy | 14 (32) |
| PASI score, mean ± SD | 2.8 ± 5.2 |
| Tender joint count, mean ± SD | 3.1 ± 3.9 |
| Swollen joint count, mean ± SD | 2.2 ± 3.2 |
| Peripheral enthesitis and/or tenosynovitis, n (%) | 35 (79) |
| Dactylitis, n (%) | |
| Current | 13 (30) |
| History | 1 (2) |
| Rheumatoid factor, n (%) | 3 (7) |
PASI: Psoriasis Area and Severity Index.