Additionally, the results showed that IgM-enriched IVIG was effective in treating sepsis (RR 0.55, 95% CI: 0.40 − 0.76; p = 0.0003), while standard IVIG failed to be effective (RR 0.91, 95% CI: 0.81–1.02, p = 0.10). The gene discussed is CD40LG; the disease is Sepsis.