“…These variables had to be recorded during the first 6 h of admission to the hospital to be considered to be present. Standardised definitions were used to identify risk factors (high risk trauma [28,[35][36][37], high-risk surgery [24,[38][39][40], aspiration [28,35,38,41], sepsis [21,35,36,38], shock [21,[42][43][44], pneumonia [21,28,38,45] and pancreatitis [1,21,[46][47][48][49][50]) and risk modifiers (alcohol abuse [24][25][26][27], smoking [24,27], hypoalbuminemia [28,29], tachypnoea [25,28], oxygen supplementation [30], chemotheorapy [25,31] and diabetes mellitus [28,32]). The validation cohort included 467 Olmsted County patients who were admitted to hospital wards (ICU and non-ICU), excluding 1-day surgical procedures, cardiac ob...…”