Selective IgA Deficiency in Autoimmune Diseases

Table 3 Prevalence of IgAD among T1D patients.

Year	Reference	Country	Age (years)	Sample size	IgAD (prevalence)	Criteria (g/L)
1978	96	USA	Adults	421	0 (0)	<0.1
			3–16	366	9 (1:41)	<0.1
1982	216	Canada	8–51	129	2 (1:65)	Undetectable
1983	217	Germany	NM	483	14 (1:35)	NM
1988	94	Italy	2–16	191	7 (1:27)	<0.1
1992	95	USA	15–48	261	1 (1:261)	<0.05
1994	218	UK	Adults	1785	8 (1:223)	NM
1998	219	UK	2–22	167	3 (1:56)	NM
1998	97	Canada	1–18	236	0 (0)	NM
2000	220	Austria	1–22	403	2 (1:202)	NM
2005	98	Italy	18–70	94	0 (0)	<0.9
2005	221	Tunisia	16–60	261	5 (1:52)	<0.8
2010	222	Iran	6–19	300	2 (1:150)	<0.1
Total				5,097	53 (1:96)
Present study
		Sweden	Children, adults	1,252	11 (1:114)	<0.07
		Italy	NM	245	2 (1:122)	<0.07
Total				1,497	13 (1:115)

ISSN: 1528-3658