title: A German national prevalence study on the cost of intensive care: an evaluation from 51 intensive care units.
abstract: BACKGROUND
  Intensive care unit (ICU) costs account for up to 20% of a hospital's costs. We aimed to analyse the individual patient-related cost of intensive care at various hospital levels and for different groups of disease.
  
  
  METHODS
  Data from 51 ICUs all over Germany (15 primary care hospitals and 14 general care hospitals, 10 maximal care hospitals and 12 focused care hospitals) were collected in an observational, cross-sectional, one-day point prevalence study by two external study physicians (January-October 2003). All ICU patients (length of stay > 24 hours) treated on the study day were included. The reason for admission, severity of illness, surgical/diagnostic procedures, resource consumption, ICU/hospital length of stay, outcome and ICU staffing structure were documented.
  
  
  RESULTS
  Altogether 453 patients were included. ICU (hospital) mortality was 12.1% (15.7%). The reason for admission and the severity of illness differed between the hospital levels of care, with a higher amount of unscheduled surgical procedures and patients needing mechanical ventilation in maximal care hospital and focused care hospital facilities. The mean total costs per day were euro 791 +/- 305 (primary care hospitals, euro 685 +/- 234; general care hospitals, euro 672 +/- 199; focused care hospitals, euro 816 +/- 363; maximal care hospitals, euro 923 +/- 306), with the highest cost in septic patients (euro 1,090 +/- 422). Differences were associated with staffing, the amount of prescribed drugs/blood products and diagnostic procedures.
  
  
  CONCLUSIONS
  The reason for admission, the severity of illness and the occurrence of severe sepsis are directly related to the level of ICU cost. A high fraction of costs result from staffing (up to 62%). Specialized and maximum care hospitals treat a higher proportion of the more severely ill and most expensive patients.
authors.affiliation: Department of Anaesthesiology, Emergency and Critical Care Medicine, University of Göttingen, Robert-Koch-Strasse 40, Göttingen 37075, Germany. omoerer@gwdg.de
authors.forename: Onnen
authors.initials: O
authors.lastname: Moerer
authors.forename: Enno
authors.initials: E
authors.lastname: Plock
authors.forename: Uchenna
authors.initials: U
authors.lastname: Mgbor
authors.forename: Alexandra
authors.initials: A
authors.lastname: Schmid
authors.forename: Heinz
authors.initials: H
authors.lastname: Schneider
authors.forename: Manfred Bernd
authors.initials: MB
authors.lastname: Wischnewsky
authors.forename: Hilmar
authors.initials: H
authors.lastname: Burchardi
mesh_terms: D000368:Aged; D003422:Critical Care / Q000191:economics* / Q000706:statistics & numerical data*; D003430:Cross-Sectional Studies; D005260:Female; D005858:Germany; D017721:Hospital Costs / Q000706:statistics & numerical data*; D006801:Humans; D007362:Intensive Care Units / Q000191:economics* / Q000706:statistics & numerical data*; D007902:Length of Stay / Q000706:statistics & numerical data; D008297:Male; D008505:Medical Staff, Hospital / Q000706:statistics & numerical data; D008875:Middle Aged; D009741:Nursing Staff, Hospital / Q000706:statistics & numerical data; D010360:Patient Transfer / Q000706:statistics & numerical data; D015995:Prevalence; D012720:Severity of Illness Index