Variation in Practice for Discretionary Admissions

Sample Selection Bias as a Specification Error

1979 • 27,564 citations

A Guide to Econometrics

1979 • 4,582 citations

Small Area Variations in Health Care Delivery

1973 • 1,865 citations

Variations in Medical Care among Small Areas

1982 • 845 citations

Adult Open Heart Surgery in New York State

1990 • 542 citations

Comorbidities, complications, and coding bias. Does the number of diagnosis codes matter in predicting in-hospital mortality?

1992 • 459 citations

Geographic Variation in Expenditures for Physicians' Services in the United States

1993 • 377 citations

Hospital Inpatient Mortality

1987 • 315 citations

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

1992 • 250 citations

Explaining variations in hospital death rates. Randomness, severity of illness, quality of care

1990 • 224 citations

The Importance of Severity of Illness in Assessing Hospital Mortality

1990 • 221 citations

The Appropriateness of Use of Coronary Artery Bypass Graft Surgery in New York State

1993 • 216 citations

How Accurate are Hospital Discharge Data for Evaluating Effectiveness of Care?

1993 • 188 citations

The Appropriateness of Use of Percutaneous Transluminal Coronary Angioplasty in New York State

1993 • 146 citations

Selection Bias in the Use of Thrombolytic Therapy in Acute Myocardial Infarction

1991 • 128 citations

The Appropriateness of Use of Coronary Angiography in New York State

1993 • 109 citations

Analyzing hospital mortality. The consequences of diversity in patient mix

1991 • 94 citations

The Condition of the Literature on Differences in Hospital Mortality

1989 • 86 citations

Appropriateness of acute medical care for the elderly: an analysis of the literature

1990 • 82 citations

High and low surgical rates: risk factors for area residents.

1981 • 79 citations

Regional variation in Medicare hospital mortality.

1992 • 77 citations

Community correlates of hospital use.

1984 • 49 citations

Biased Estimates of Expected Acute Myocardial Infarction Mortality Using Medis-Groups Admission Severity Groups

1991 • 46 citations

Effect of a Health Maintenance Organization on Physiologic Health

1987 • 45 citations

Using Clinical Variables to Estimate the Risk of Patient Mortality

1991 • 45 citations

Health Plan Switching in Anticipation of Increased Medical Care Utilization

1993 • 44 citations

Does race affect hospital use?

1985 • 30 citations

Mortality in a public and a private hospital compared: the severity of antecedent disorders in Medicare patients.

1993 • 24 citations

A Controlled Trial of the Effect of a Prepaid Group Practice on the Utilization of Medical Services

1984 • 15 citations

The Effects of a Prepaid Group Practice on Mental Health Outcomes of a General Population: Results from a Randomized Trial

1989 • 4 citations

At risk for hospitalization: differences by health insurance coverage and income.

1984 • 4 citations