Explaining Variability of Cost Using a Severity-of-lllness Measure for ICU Patients

APACHE II-A Severity of Disease Classification System

1986 • 12,607 citations

APACHE—acute physiology and chronic health evaluation: a physiologically based classification system

1981 • 2,152 citations

A simplified acute physiology score for ICU patients

1984 • 1,244 citations

Therapeutic intervention scoring system

1974 • 1,203 citations

The Distinction Between Cost and Charges

1982 • 1,090 citations

High-Cost Users of Medical Care

1980 • 346 citations

Prognosis, Survival, and the Expenditure of Hospital Resources for Patients in an Intensive-Care Unit

1981 • 258 citations

Refining intensive care unit outcome prediction by using changing probabilities of mortality

1988 • 188 citations

MEDISGRPS: a clinically based approach to classifying hospital patients at admission.

1985 • 153 citations

Refining Case-Mix Adjustment

1987 • 121 citations

Frequency and Clinical Description of High-Cost Patients in 17 Acute-Care Hospitals

1979 • 110 citations

Acute physiology and chronic health evaluation (APACHE II) and Medicare reimbursement.

1984 • 107 citations

A comparison of methods to predict mortality of intensive care unit patients

1987 • 97 citations

Clinical characteristics and resource utilization of ICU patients

1987 • 95 citations

Costs, Severity of Illness and Outcome in Intensive Care

1986 • 69 citations

The Severity of Illness Index as a severity adjustment to diagnosis-related groups.

1984 • 68 citations

The hidden costs of treating severely ill patients: charges and resource consumption in an intensive care unit.

1983 • 66 citations

Hospital charges and long-term survival of ICU versus non-ICU patients

1982 • 65 citations

Technology under Medicare Diagnosis-related Groups Prospective Payment

1985 • 61 citations

Medicare's hospital payment system: is it working?

1989 • 57 citations

Medicare Prospective Payment and the Use of Medical Technologies in Hospitals

1988 • 53 citations

Implications of DRG Payments for Medical Intensive Care

1985 • 45 citations

Survival of Adult High-Cost Patients

1981 • 39 citations

Impact of prospective payments on a tertiary care center receiving large numbers of critically ill patients by aeromedical transport

1986 • 29 citations

Transplantation and home hemodialysis: Their cost-effectiveness

1985 • 28 citations

Reimbursement for intensive care services under diagnosis-related groups

1988 • 25 citations

Physiologic Assessment of Surgical Diagnosis-Related Groups

1985 • 13 citations

Case-mix, severity systems provide DRG alternatives.

1987 • 4 citations

MULTI-CENTER VALIDATION OF THE ADMISSION MORTALITY PREDICTION MODEL

1988 • 4 citations

Amebiasis: still present and lethal in Texas.

1986 • 2 citations

Severity of illness and DRG reimbursement.

1986 • 1 citations