CD79A and Stroke: Based on the meta‐analysis performed, there was no significant difference in Pg IgA and IgG levels between patients with stroke and controls (IgA: SMD 0.11, 95% CI −0.02 to 0.25, p = 0.1; IgG: SMD −0.12, 95% CI −1.24 to 0.99, p = 0.83).