“…[4][5][6] The criteria have also been shown to reliably identify acuity of medical illness and, in one study, the presence of positive AEP criteria refl ected increased morbidity and mortality. 5 Since 1981, the AEP criteria have been used, or modifi ed for local use, in Italy, 6 France, 7 Belgium, 8 Holland, 9 Spain, 10,11 Germany, 12 Denmark 5 and Turkey. 13,14 Assessments in the UK include the 1997 national study of acute medical admissions conducted by the Royal College of Physicians of London, 4 which reviewed 4,885 days of hospital care against the AEP criteria.…”