Duration of CSU
The average duration of CSU was 12.3±15.2 months, median 6 months (range 1.5 – 84 months). A total of 135 patients (54%) had CSU for 12–24 months and overall, the urticaria resolved within 24 months in 208 patients (83.2%). Concomitant angioedema was present in 30% (n=75). No significant differences were found when comparing the duration of disease or the presence of angioedema between the various age groups or sexes (Table 1).