Table 6.
Results of Current and Previous Studies That Estimated the Incidence of Leukocytoclastic Vasculitis
Study | Study Location | Duration of Study, y | Population Based | Incidence (Cases per Million Population per Year) | Miscellaneous |
---|---|---|---|---|---|
Current study | Olmsted County, Minnesota | 15 | Yes | 45 | Only cutaneous biopsy-proven cases were included |
Watts et al, 199811 | Single district hospital, United Kingdom | 4 | No | 38.6 (“Cutaneous vasculitis”) | Incidence was 15.4 cases per million population per year for “cutaneous leukocytoclastic angiitis” |
Garcia-Porrua and Gonzalez-Gay, 199912 | Primary referral center in a region of northwest Spain | 9 | No | 29.7 | Incidence calculated for cases of “hypersensitivity vasculitis” |