Characteristics of PsA patient population
| Total patients with PsA | 269 |
| Age (mean±SD) | 53.94±11.93 |
| Male/female | 164 (60.96%)/104 (38.66%) |
| Disease duration (mean±SD) | 7.12±7.65 |
| Positive family history of psoriasis | 133 (49.44%) |
| Positive family history of PsA | 31 (11.52%) |
| ESR (mean±SD) | 20.83±20.54 |
| CRP (mean±SD) | 15.04±23.19 |
| Skin involvement | 169 (62.82%) |
| Nail involvement | 5 (1.86%) |
| Dactylitis | 19 (7.06%) |
| Enthesitis | 17 (6.31%) |
| PASI score (mean±SD) | 1.77±5.05 |
CRP, C reactive protein; ESR, erythrocyte sedimentation rate; PASI, Psoriasis Area Severity Index; PsA, psoriatic arthritis.