In the same way, patients with IgA levels <40 mg/dL showed higher levels of infections (7.00 ± 5.04; IQR, 2.78–11.22) than patients with IgA levels > 41 mg/dL (2.14 ± 2.61; IQR, 0.27–4.55). The gene discussed is CD79A; the disease is infection.