Table 5 Prevalence of IgA deficiency among MG patients.
Year | Reference | Country | Age (years) | Sample size | IgAD (prevalence) | Criteria (g/L) |
|---|---|---|---|---|---|---|
1972 | 224 | UK | 9–46 | 54 | 1 (1:54) | 2.5 IU/mL |
1976 | 225 | USA | Adults | 51 | 0 | NM |
1976 | 226 | USA | NM | 107 | 0 | NM |
1976 | 227 | UK | NM | 50 | 1 (1:50) | Undetectable |
1992 | 228 | France | Adults | 333 | 1 (1:333) | 0.05 |
2011 | 229 | Sweden | Adults | 512 | 2 (1:256) | <0.07 |
Total | Â | Â | Â | 1,107 | 5 (1:221) | Â |