Effect of changing patient mix on the performance of an intensive care unit severity-of-illness model: How to distinguish a general from a specialty intensive care unit

Critical Care Medicine

Volumn 24, Issue 12, 1996, Pages 1968-1973

  Murphy Filkins, Robyn L ^a,b,c   Teres, Daniel ^a,b,c   Lemeshow, Stanley ^a   Hosmer, David W ^a  

^a UNIVERSITY OF MASSACHUSETTS   (United States)

^b BAYSTATE MEDICAL CENTER   (United States)

^c TUFTS UNIVERSITY SCHOOL OF MEDICINE   (United States)

Author keywords

calibration; computer simulations; critical illness; discrimination; goodness of fit testing; Mortality Probability Models II (MPM II); probabilities; receiver operating characteristic curve; severity of illness index

Indexed keywords

AGED; ARTICLE; COMPUTER SIMULATION; CRITICAL ILLNESS; HOSPITALIZATION; HUMAN; INTENSIVE CARE; MAJOR CLINICAL STUDY; MORTALITY; PRIORITY JOURNAL; PROBABILITY;

EID: 0029966839     PISSN: 00903493     EISSN: None     Source Type: Journal    
DOI: 10.1097/00003246-199612000-00007     Document Type: Article

References (11)

1. Schuster DP: Predicting outcome after ICU admission - The art and science of assessing risk. Chest 1992; 102:1861-1870
2. Knaus WA, Wagner DP, Draper EA, et al: The APACHE III prognostic system: Risk prediction of hospital mortality for critically ill hospitalized adults. Chest 1991; 100:1619-1636
3. Lemeshow S, Teres D, Klar J, et al: Mortality Probability Models (MPM II) based on an international cohort of intensive care unit patients. JAMA 1993; 270:2478-2486
4. Le Gall J-R, Lemeshow S, Saulnier F: A new Simplified Acute Physiology Score (SAPS II) based on a European/North American multicenter study. JAMA 1993; 270:2957-2963
5. Hanley JA, McNeil BJ: The meaning and use of the area under the receiver operating characteristic (ROC) curve. Radiology 1982; 143:29-36
6. Hosmer DW, Lemeshow S: Applied Logistic Regression. New York, John Wiley & Sons, 1989
7. Erdreich LS, Lee ET: Use of relative operating characteristic analysis in epidemiology. Am J Epidemiol 1981; 114: 649-662
8. Lemeshow S, Klar J, Teres D, et al: Mortality probability models for patients in the intensive care unit for 48 or 72 hours: A prospective, multicenter study. Crit Care Med 1994; 22:1351-1358
9. Zhu BP, Lemeshow S, Hosmer DW, et al: Factors affecting the performance of the models in the Mortality Probability Model II system and strategies of customization: A stimulation study. Crit Care Med 1996; 24:57-63
10. Green J, Passman LJ, Wintfield N: Analyzing hospital mortality: The consequences of diversity in patient mix. JAMA 1991; 265:1849-1853
11. Castella X, Artigas A, Bion J, et al: A comparison of severity of illness scoring systems for intensive care unit patients: Results of a multicenter, multinational study. Crit Care Med 1995; 23:1327-1335