Methods:
Patients
We conducted a prospective single-centre observational study with 100
consecutive patients from the outpatient clinic of a Urticaria Center of
Reference and Excellence (GA2 LEN UCARE, www.
ga2len-ucare.com)18 at the Immunology Service of a
university hospital. Patients were enrolled after informed consent was
obtained. The study was submitted and approved by Comitê de Ética em
Pesquisa do Hospital Universitário Clementino Fraga Filho (HUCFF-UFRJ),
CAAE 45067715.5.0000.5257.
Measures