CXCL8 and schizophrenia: For serum CXCL8 and IL-10 these adjustments did not influence previous results, i.e., serum CXCL8 remained higher in the schizophrenia groups (p < 0.05 for all comparisons), and no differences were observed for serum IL-10 (p > 0.05 for all comparisons).