SERPINE1 and Sepsis: Previous studies have investigated the predictive performance of several biomarkers in the prognosis of sepsis patients, including platelet26, neutrophil/lymphocyte ratio (NLR)27, lactate/albumin ratio28, plasminogen activator inhibitor-1 (PAI-1)29, signal peptide-CUB-epidermal growth factor-like domain-containing protein 1 (SCUBE-1)30, and vitamin D receptor31.