CXCL8 and Sepsis: PCT has high clinical application value in sepsis, and can be used as a reliable indicator for the diagnosis of sepsis.6 According to Patel and his colleagues7, the levels of IL-6, IL-8, IL-10 and other inflammatory factors in patients with sepsis were all increased compared with those in healthy individuals, and the levels of these markers were correlated with the severity of sepsis to a certain extent.