Development and testing of a new measure of case mix for use in office practice.

A new method of classifying prognostic comorbidity in longitudinal studies: Development and validation

1987 • 44,619 citations

Development and Application of a Population-Oriented Measure of Ambulatory Care Case-Mix

1991 • 686 citations

The Importance of Co-existent Disease in the Occurrence of Postoperative Complications and One-Year Recovery in Patients Undergoing Total Hip Replacement

1993 • 493 citations

Differences in the Mix of Patients Among Medical Specialties and Systems of Care

1992 • 250 citations

The Importance of Severity of Illness in Assessing Hospital Mortality

1990 • 221 citations

Interpreting Hospital Mortality Data

1988 • 207 citations

Predicting In-Hospital Mortality

1992 • 118 citations

The uses of outcomes research for medical effectiveness, quality of care, and reimbursement in type II diabetes.

1994 • 64 citations

Principles and Practice of Case Mix Adjustment: Applications to End-Stage Renal Disease

1994 • 48 citations

Design of a prospective payment patient classification system for ambulatory care.

1993 • 29 citations

Admission and Mid-Stay MedisGroups?? Scores as Predictors of Hospitalization Charges

1991 • 26 citations