Characteristics of the study participants.
| Characteristics | PsA | Controls | p |
|---|---|---|---|
| Age, yrs | 55 ± 12.2 | 55.1 ± 8.3 | 0.96 |
| Sex, female | 20 (40.0) | 21 (42.0) | 0.84 |
| BMI, kg/m2 | 28.9 ± 4.8 | 24.7 ± 3.8 | < 0.001 |
| Psoriasis duration, yrs | 24.7 (16.1) | — | |
| PsA duration, yrs | 14.6 (12.3) | — | |
| Clinical enthesitis (≥ 1 tender entheseal site) | 21 (42) | 11 (22) | 0.03 |
| Tender entheseal count | 1.7 ± 2.9 | 0.6 ± 1.5 | 0.02 |
Data are expressed as n (%) or mean ± SD. PsA: psoriatic arthritis; BMI: body mass index.