These predictive features include the primary reason for ICU admission (medical reason (i.e., sepsis) vs. surgical problem (i.e., postoperative care)), blood urea nitrogen (BUN), heart rate, PaO2/FiO2 ratio, pH, albumin, lactate, prothrombin time (PT), hemoglobin in CanICU. This evidence concerns the gene F2 and Sepsis.