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Primary immunodeficiency diagnoses.
| Primary immunodeficiency diagnosis | Participants (n=254), n (%) |
| Common variable immunodeficiency | 190 (74.8) |
| Hypogammaglobulinemia | 32 (12.6) |
| Immunoglobulin G subclass deficiency | 12 (4.7) |
| Selective Immunoglobulin A deficiency | 8 (3.1) |
| Specific antibody deficiency | 8 (3.1) |
| Agammaglobulinemia | 1 (0.4) |
| Chronic granulomatous disease | 1 (0.4) |
| Combined immunodeficiency | 1 (0.4) |
| Complement deficiency | 1 (0.4) |
