Objective To explore the application value of mortality in emergency department sepsis ( MEDS) score for the risk stratification and prognosis of patients with sepsis.Methods Selected 62 cases of patients with sepsis admitted to our hospital from January 2012 to June 2014, according to hospitalized patients'condition, they were divided into sepsis group ( n =21),serious sepsis group ( n =24), septic shock group ( n =17);according to the 28 day survival, they were divid-ed into survival group ( n =41 ) and death group ( n =21 ) .Acute physiology and chronic health status score ( APACHE II) , sequential organ failure ( SOFA) , MEDS score were evaluated, and blood lactate level were measured, and the survival rate of patients with 28 d were recorded.The risk factors of mortality of 28 d were analyzed by Logistic regression analysis.Re-sults Severe sepsis group and septic shock group's SOFA, blood lactic acid were significantly higher than that in sepsis group ( P <0.05) , the difference between the severe sepsis group and septic shock group had no statistical significance ( P >0.05);APACHE II,MEDS score:sepsis group 展开▼