Duke Case-Mix System (DUMIX) for ambulatory health care

Journal of Clinical Epidemiology
G R ParkersonWilliam E Hammond

Abstract

The Duke Case-Mix System (DUMIX), which combines age, gender, patient-reported perceived and physical health status, and provider-reported or auditor-reported severity of illness to classify patients by their risk of high future utilization, explained 17.1% of the variance in future clinic charges and 16.6% of the variance in return visits. When a random half of 413 ambulatory adults were classified into four risk classes by predictive regression coefficients from the other half, there was a stepwise increase in actual future utilization by risk class. The most accurate classification was for Class 4 (highest risk) patients, with a sensitivity of 40.8%, specificity of 82.1%, and likelihood ratio of 2.3. These 23.7% of patients accounted for 44.2% of charges for all patients. When predictive coefficients from this population were used to classify a different group of 206 ambulatory adults, past utilization also increased in stepwise order by case-mix class.

References

Nov 11, 1992·Journal of Clinical Epidemiology·G R ParkersonC K Tse
Apr 4, 1992·JAMA : the Journal of the American Medical Association·R L KravitzJ E Ware
Dec 11, 1991·Family Practice·G R ParkersonC K Tse
Jan 1, 1989·Journal of Clinical Epidemiology·G R ParkersonA L Chen
Jun 1, 1986·Medical Care·A J BarskyG L Klerman
Nov 1, 1994·Archives of Family Medicine·G R ParkersonK S Yarnall
Jan 1, 1994·International Journal of Bio-medical Computing·P C Carpenter
Oct 1, 1993·Health Economics·J Brazier
Apr 1, 1993·Journal of Clinical Epidemiology·G R ParkersonC K Tse
Jan 1, 1997·International Journal of Psychiatry in Medicine·G R Parkerson, R A Gutman

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