TableĀ 2

Characteristics of excluded studies

CitationReason for exclusion
40Comparator (predictors did not include inherent patient characteristics)
41Comparator (predictors did not include patient characteristics)
42Outcome (inpatient LOS and mortality, not ED LOS)
43Patients (not OECD)
44Outcome (not full ED LOS, only wait to be seen)
45Study type (not a primary study)
46Comparator (predictors did not include inherent patient characteristics)
47Comparator (predictors did not include patient characteristics)
48Outcome (prediction of usage, not LOS)
49Patients (not OECD)
50Comparator (predictors did not include patient characteristics)
51Outcome (not full ED LOS, only wait to be seen)
  • ED, emergency department; LOS, length of stay; OECD, Organization for Economic Cooperation and Development.