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Table 1 Prevalence of IgAD among GD patients.

From: Selective IgA Deficiency in Autoimmune Diseases

Year

Reference

Country

Age (years)

Sample size

IgAD (prevalence)

Criteria (g/L)

1994

37

Finland

NM

52

0

NM

1999

38

Italy

25–69

23

0

NM

1999

39

Italy

19–79

18

0

NM

2005

36

UK

NM

111

3 (1:37)

<0.1–0.6

2011

15

Sweden

NM

841a

14 (1:60)

<0.07

Total

   

1,045b

17 (1:61)b

 
  1. NM, not mentioned.
  2. aTRAb-positive patients.
  3. bSumming up total screened GD patients and IgAD individuals, the prevalence of IgAD is equal to the total number of IgAD individuals divided by the total number of screened GD patients (this also applies to Tables 2–6).