Table 1.
Prevalence rate of CIU/CSU by age and sex
| Sex | Age group (years) | Prevalence (%) (numeratora/denominatorb) |
|---|---|---|
| Overall | ||
| All | All | 0.109 (6350/5,802,466) |
| By sex | ||
| Female | All | 0.147 (4336/2,958,556) |
| Male | All | 0.071 (2014/2,843,910) |
| By age group | ||
| All | ≤11 | 0.138 (813/590,616) |
| All | 12–24 | 0.065 (666/1,022,982) |
| All | 25–44 | 0.130 (1729/1,328,043) |
| All | 45–64 | 0.119 (1976/1,654,637) |
| All | 65+ | 0.097 (1166/1,206,188) |
| By sex and age group | ||
| Female | ≤11 | 0.143 (415/289,489) |
| Female | 12–24 | 0.093 (461/498,007) |
| Female | 25–44 | 0.196 (1298/662,756) |
| Female | 45–64 | 0.167 (1,399/838,212) |
| Female | 65+ | 0.114 (763/670,092) |
| Male | ≤11 | 0.132 (398/301,127) |
| Male | 12–24 | 0.039 (205/524,975) |
| Male | 25–44 | 0.065 (431/ 665,287) |
| Male | 45–64 | 0.071 (577/816,425) |
| Male | 65+ | 0.075 (403/536,096) |
CIU/CSU chronic idiopathic or spontaneous urticaria
aNumber of patients who met the inclusion criteria
bNumber of continuously enrolled health plan members between 1/1/2012 and 12/31/2012