2006
Risk stratification with the aristotle score and the risk adjusted congenital heart surgery scoring system
Hekmat K, Raji R, Kroener A, Fischer U, Mehlhorn U, Bennink G. Risk stratification with the aristotle score and the risk adjusted congenital heart surgery scoring system. The Thoracic And Cardiovascular Surgeon 2006, 54 DOI: 10.1055/s-2006-925679.Peer-Reviewed Original Research
2005
Risk stratification models fail to predict hospital costs of cardiac surgery patients
Hekmat K, Raabe A, Kroener A, Fischer U, Suedkamp M, Geissler H, Schwinger R, Kampe S, Mehlhorn U. Risk stratification models fail to predict hospital costs of cardiac surgery patients. Clinical Research In Cardiology 2005, 94: 748-753. PMID: 16258777, DOI: 10.1007/s00392-005-0300-8.Peer-Reviewed Original ResearchConceptsRisk stratification modelLength of stayTotal hospital costsCardiac surgical patientsHospital costsStratification modelSurgical patientsICU LOSCardiac surgery patientsConsecutive adult patientsPreoperative diagnostic testsICU staySurgery patientsAdult patientsCardiac surgeryRisk stratificationSpearman correlation coefficientProspective studyMean ageResultsA totalMethodsBetween OctoberMortality ratePatientsLinear regression analysisRoom costs