Table 2.

Prevalence of celiac disease in Middle Eastern and North African countries among high risk populations

Country	Population	Method	Confirmation by duodenal biopsy	Prevalence (%)
Egypt[13]	150 children with diarrhea and failure to thrive	t-TG12, AEA1	Yes	4.7
	250 children with IDDM	t-TG12, AEA1	No	6.4
Saudi Arabia[18]	123 pts with IDDM	AGA1, ARA1	Yes (incomplete)	4.9-8.1
Tunisia[19]	161 pts with Grave disease	AEA1, t-TG1	Yes (incomplete)	3.7
Turkey[20]	136 pts with autoimmune thyroiditis	t-TG1	Yes (incomplete)	5.9
Algeria[21]	116 children with IDDM	AGA12, AEA1	Yes	16.4-20
Iran[22]	100 pts with chronic diarrhea	AGA1, AEA1	Yes	19
Iran[23]	825 children with chronic diarrhea	AGA1, AEA1	Yes	6.5
Iran[24]	250 pts with IDDM	Total IgA, AEA1	Yes	2.4
North-Eastern Libya[25]	243 pts with high clinical suspicion	NR	Yes	31.7
Eastern Saudi Arabia[26]	145 pts with high clinical suspicion	AEA1, ARA1	Yes	4-11
Egypt[27]	25 pts with refractory iron deficiency anemia	AGA2, AEA1, t-TG2, ARA	Yes	44
Turkey[28]	100 pts with IDDM	AEA1	Yes	6
Iraq[29]	40 pts with IDDM	NR	Yes	15
Libya[30]	234 pts with IDDM	AGA, t-TG, ARA, AEA	Yes	10.3
Tunisia[31]	348 pts with IDDM	AEA1, t-TG	Yes	2.6-4
Turkey[32]	122 pts with IDDM	Total IgA, AEA1	Yes	2.45

¹IgA;

²IgG. IDDM: Insulin dependent diabetes mellitus.