See also prevalence and incidence page for Selective IgA Deficiency
Prevalance of Selective IgA Deficiency: 1 in 300 (NIDCD); 1 in 600 (NIAID); 1 in 333 Caucasians.
Prevalance Rate: approx 1 in 300 or 0.33% or 906,666 people in USA [about data]
Prevalance of Selective IgA Deficiency: Approximately one out of 600 individuals have selective IgA deficiency. (Source: excerpt from Primary Immune Deficiency, NIAID Fact Sheet: NIAID)
This page presents a variety of statistics about Selective IgA Deficiency. The term 'prevalence' of Selective IgA Deficiency usually refers to the estimated population of people who are managing Selective IgA Deficiency at any given time. The term 'incidence' of Selective IgA Deficiency refers to the annual diagnosis rate, or the number of new cases of Selective IgA Deficiency diagnosed each year. Hence, these two statistics types can differ: a short-lived disease like flu can have high annual incidence but low prevalence, but a life-long disease like diabetes has a low annual incidence but high prevalence. For more information see about prevalence and incidence statistics.
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