Patients characteristics of patients with an event versus patients without an event (N = 174).

N = number SD = standard deviation % = percentage of total patients events or no events.1The number of patients who had an event was lower than the total number of events.2Others indication for admission are cardiovascular observation without prior operation.3Others indication for operation are coiling, surgery after trauma or stabilization of fracture.SIRS = systemic inflammatory response syndrome.AKI = acute kidney injury.MOF = multi organ failure.Acute abdomen = includes perforations, mesenterial ischemia, peritonitis.Epigastric region = Whipple, cholecystectomy, BII stomach resection, splenectomy.Complications = mesenterial ischemia, anastomotic leakage, platzbauch, intra-abdominal abscess.AAA = aneurysm of the abdominal aorta.