Conversely, the levels of IL-8 displayed a negative association with the anxiety score (Spearman’s rho = -0.223, p = 0.028), OCS (Spearman’s rho = -0.252, p = 0.012), and hyperarousal (Spearman’s rho =-0.221, p = 0.028). The gene discussed is CXCL8; the disease is Anxiety.