“…Several algorithms have been developed to predict patient outcome in different settings, such as the ICU or the general ward. Algorithms developed for use in the ED are either based on data from very small or restricted groups of patients, such as medical or elderly patients, or based on elaborate laboratory tests or serial measurements [5][6][7][8][9][10][11][12][13][14][15][16][17]. These studies find level of consciousness, systolic blood pressure and respiratory frequency to be good indicators of later clinical deterioration and/or need for intensive care [8,10,14,15,17].…”