Objective To investigate the clinical diagnostic value of serum procalcitonin(PCT),D-dimer(DD),C-reactive protein(CRP)in acute-on-chronic liver failure(ACLF). Methods 124 ACLF patients,63 chronic hepatitis B patients,32 chronic hepatitis C patients,24 chronic hepatitis E patients and 60 healthycontrols from the second affiliated hospital of Nanchang University were enrolled in this study. PCT was detected bya sandwish immunodetection method. D-dimer was detected by Latex Turbidimetry. CRP was detected by ra...