A cohort study conducted from 1976 through 2006 showed the incidence of PIDD to be 4
A cohort study conducted from 1976 through 2006 showed the incidence of PIDD to be 4.6 per 1,000,000 person-years, with rates increasing in more recent years, due to better diagnostic techniques and consciousness among medical companies.3 For individuals with significantly low immunoglobulin (Ig) production levels (IgG levels of less than 200 mg/dL), intravenous Ig (IVIG)…