Prevalence of Celiac Disease in Egyptian Children Disputes the East–West Agriculture‐dependent Spread of the Disease

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Celiac disease (CD) seems to be a common disorder in north Africa; however, to our knowledge no data are yet available on its prevalence in Egypt. This study was undertaken to investigate the frequency of CD in Egyptian children. We investigated a sample of the general pediatric population (1500 individuals, 656 girls and 844 boys, age range 7 months to 18 years, median age 8.0 years) (group A); 150 children (age range 6 months to 13 years, median age 16 months) admitted for diarrhea or failure to thrive (group B); and 250 children and adolescents with type 1 diabetes (group C). The screening test was serum class A anti-transglutaminase (anti-tTG) antibody; immunoglobulin A (IgA) antiendomysium, total IgA, and IgG anti-tTG, and small bowel biopsy was performed for confirmation of diagnosis. In group A, 8 of 1500 children fulfilled the criteria for CD diagnosis; the prevalence of CD was at least 1 in 187 individuals (0.53%; 95% CI 0.17%-0.89%). In group B, 7 of 150 children had CD (4.7%, 95% CI 1.4-7.9). In group C, 16 of 250 sera showed positive results to both the IgA anti-tTG and the IgA antiendomysium test (6.4%; 95% CI 3.4-9.4). Celiac disease is a frequent disorder among Egyptian children, both in the general population and in at-risk groups. Therefore, our data do not support the theory of a Middle East-Europe CD prevalence gradient secondary to the pattern of agriculture spreading from the so-called Fertile Crescent.