The index values for the differences between tests and controls in the subgroups of secondary postoperative bleeding rates, PSG outcomes, immune function, including IgA, IgG, IgM, pain-free days, and the rate of SDB recurrence were 0%, 7%, 0%, 0%, 0%, 0%, and 4%, respectively, indicating that the studies were homogeneous in nature. The gene discussed is CD40LG; the disease is sleep apnea syndrome.