Table 1

Characteristics of studies included for systematic review on prediction models for admission for use in the ED (n=11)

StudyPopulationCountryPublication yearJournalStudy designStudy periodSC/MCUniversity hospital/regional hospitalSettingsStudy sizePopulation characteristics
Alam et al28AdultThe Netherlands2015ResuscitationPOCS7 January 2003 to 15 February 2003SCUniversityED274Mean age (SD): 60 (20)
♂(%): 49.0
Brouns et al26OlderThe Netherlands2019BMC Emergency MedicineROCSSeptember 2011 to August 2012SCRegional hospitalED20 875Mean age (SD): 77.0 (7.6)
♂(%): 45.8
Cameron et al19AdultScotland2014Emergency Medicine JournalRCSS21 March 2010 to 20 March 2012MCUniversity/regionalED, AMU, MIU322 846NS
Cameron et al18AdultScotland2016Emergency Medicine JournalPOCS30 April 2014 to 16 May 2014SCUniversityED1829Mean age (SD): 47.3 (21.0)
♂(%): 48.4
Di Bari et al20OlderItaly2012Journal of GerontologyPOCSJanuary to June 2009SCGeriatric hospitalED1632Mean age (SE): 84.0 (5.5)
♂(%): 39.0
Grossmann et al27OlderSwitzerland2012Annals of Emergency MedicinePOCS6 April to 27 April 2009SCUniversity hospitalED519Median age (IQR): 79 (72–84)
♂(%): 45.9
Kraaijvanger et al24AdultThe Netherlands2018Emergency Medicine JournalPOCS10–16 January 2011, 9–15 May 2011MCUniversity/regionalED3174Age: NS
♂(%): 48.8
Lucke et al25Adult/olderThe Netherlands2017Emergency Medicine JournalROCSJanuary to December 2012SCUniversityED21 287Median age (IQR): DV<70 y: 44.8 (28.8–57.4) DV≥70 y: 78.1 (73.9–83.6)
VD <70 y: 44.8 (28.4–58.0)
VD≥70 y: 77.9 (73.9–83.0)
♂(%):
DV <70 y: 54.6
DV≥70 y: 47.9
VD<70 y: 54.7
DV≥70 y: 50.5
Noel et al22AdultFrance2018European Journal of Emergency MedicinePCSS8 January to 8 February 2016MCUniversity/regionalED9828Mean age (SD): DC: 40.8 (22.0), AM: 61.0 (24.0)
♂(%):
DC: 51.1
AM: 51.0
Salvi et al21OlderItaly2012Rejuvenation ResearchPOCSJanuary to June 2009SCGeriatric hospitalED2057Mean age (range): 81.7 (65–103)
♂(%): 40.0
Zlotnik et al23AdultSpain2016Computers, Informatics, NursingROCSJanuary 2011 to December 2012SCUniversityED255 668NS
  • ♂, male; AM, admitted; AMU, acute medical unit; DC, discharged; DV, derivation; MC, multicentre; MIU, minor injury unit; NS, not specified; PCSS, prospective cross-sectional study; POCS, prospective observational cohort study; RCSS, retrospective cross-sectional study; ROCS, retrospective observational cohort study; SC, single centre; VD, validation.