Table 1 Frequencies and univariate analysis of the five clinical and dermoscopic variables assessed in our chronic spontaneous urticaria and urticarial vasculitis patients.
From: Development of a clinical-dermoscopic model for the diagnosis of urticarial vasculitis
Predictor | Chronic spontaneous urticaria (n = 108) n (%) | Urticarial vasculitis (n = 27) n (%) | p-value | OR | 95% CI |
|---|---|---|---|---|---|
Persistence (wheals ˃24 hours) | 28 (25.9) | 19 (70.4) | <0.001 | 6.79 | 2.67–17.22 |
Pain/Burning | 17 (15.7) | 7 (25.9) | 0.216 | 1.87 | 0.69–5.12 |
Purpura/residual hyperpigmentation | 10 (9.3) | 13 (48.1) | <0.001 | 9.10 | 3.36–24.65 |
DC red linear vessels | 92 (85.2) | 20 (74.1) | 0.17 | 0.50 | 0.18–1.37 |
DC purpuric patches/globules (PG) | 11 (10.2) | 19 (70.4) | <0.001 | 20.94 | 7.44–58.96 |
