Moreover, the integrated profile of the lower CD3+CD4+CD69+T/CD3+CD8+CD69+T ratio, PCT>0.53 ng/ml, and CO2CP<26.5 mmol/l was favored to the differentiation of G- sepsis from G+ sepsis, with an AUC of 0.947 in the regression model. Here, CD69 is linked to Sepsis.