Logistic regression models for delay in PsA diagnosis adjusted for age at symptom onset and sex.
| > 2 Years | > 1 Year OR (95% CI) | > 6 Months | |
|---|---|---|---|
| Age at PsA symptom onset per 10-yr decreasea· | 1.34 (1.04–1.74) | 1.26 (0.97–1.65) | 1.35 (1.00–1.82) |
| BMI at PsA diagnosis per 10 kg/m2 increase | 1.89 (1.15–3.10) | 1.73 (1.03–2.92) | 1.58 (0.89–2.81) |
| Enthesitis prior to PsA | 2.20 (1.08–4.46) | 1.75 (0.83–3.68) | 2.27 (0.91–5.63) |
| ESR at PsA diagnosis per 10 mm/h increase | 1.00 (0.82–1.23) | 0.96 (0.78–1.18) | 0.82 (0.66–1.02) |
| Type of psoriasis at first diagnosis (sebopsoriasis) | 0.19 (0.04–0.97) | 0.21 (0.05–0.89) | 0.10 (0.02–0.45) |
| Radiographic damage | 1.63 (0.78–3.41) | 1.55 (0.71–3.38) | 1.94 (0.77–4.92) |
↵a Adjusted for sex only. ESR: erythrocyte sedimentation rate; PsA: psoriatic arthritis.