Fourteen publications gave us data on serum IL-10 concentration in patients with an average BMI < 30, and the outcomes of the analysis suggested that serum IL-10 levels did not differ from those of healthy controls in patients with OSAHS (SMD= = −0.32, 95% CI = −1.04 to 0.41, P = .389, Table 3) nether. This evidence concerns the gene IL10 and obstructive sleep apnea syndrome.