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Immunologic abnormalities detected in relative-FDRs of patients with selective IgAD, partial IgAD, and CVID.
| A-FDR | Selective
IgAD (n = 36) |
Partial
IgAD (n = 34) |
CVID (n = 40) |
Total (n = 110) |
|---|---|---|---|---|
| Low IgA | 15 | 15 | 8 | 38 |
| Low IgM | 1 | 0 | 7 | 8 |
| Low IgG | 0 | 0 | 2 | 2 |
A-FDR, affected FDR; FDR, first-degree relative; IgAD, immunoglobulin A deficiency; CVID, common variable immunodeficiency.
