Coronary artery bypass surgery: the relationship between inhospital mortality rate and surgical volume after controlling for clinical risk factors.

Applied logistic regression

1990 • 37,000 citations

Should Operations Be Regionalized?

1979 • 1,737 citations

A method of uniform stratification of risk for evaluating the results of surgery in acquired adult heart disease.

1989 • 1,151 citations

The volume-outcome relationship: practice-makes-perfect or selective-referral patterns?

1987 • 565 citations

Investigation of the Relationship Between Volume and Mortality for Surgical Procedures Performed in New York State Hospitals

1989 • 544 citations

Prognostic value of a coronary artery jeopardy score

1985 • 460 citations

An evaluation of outcome from intensive care in major medical centers

1988 • 336 citations

Does practice make perfect? Part I: The relation between hospital volume and outcomes for selected diagnostic categories.

1984 • 328 citations

Association of Volume With Outcome of Coronary Artery Bypass Graft Surgery

1987 • 286 citations

Effects of Surgeon Volume and Hospital Volume on Quality of Care in Hospitals

1987 • 273 citations

The Relation Between Surgical Volume and Mortality: An Exploration of Causal Factors and Alternative Models

1980 • 248 citations

Death and other time-related events after valve replacement.

1985 • 238 citations

In-hospital cardiac mortality after acute closure after coronary angioplasty: Analysis of risk factors from 8,207 procedures

1988 • 231 citations

Physician and Hospital Factors Associated With Mortality of Surgical Patients

1986 • 199 citations

Comparison of predictions based on observational data with the results of randomized controlled clinical trials of coronary artery bypass surgery

1988 • 185 citations

Does Practice Make Perfect?

1984 • 177 citations

Predicting outcome in coronary disease statistical models versus expert clinicians

1986 • 142 citations

Hospital Medical Staff Organization and Quality of Care

1981 • 133 citations

Selecting Categories of Patients for Regionalization

1986 • 124 citations

Hospital Volume and Patient Outcomes

1988 • 111 citations

Determinants of operative mortality for patients undergoing aortic valve replacement. Discriminant analysis of 1,479 operations.

1985 • 107 citations

Relation between Surgical Volume and Incidence of Postoperative Wound Infection

1981 • 91 citations

Centralization, Certification, and Monitoring

1986 • 75 citations

Treatment of abdominal aortic aneurysm in an entire state over 7 years

1980 • 66 citations

Heart disease and hospital deaths: an empirical study.

1987 • 66 citations

Increased risk of urgent revascularization

1987 • 63 citations

In-hospital mortality of surgical patients: is there an empiric basis for standard setting?

1986 • 56 citations

Preoperative Risk Assessment in Cardiac Surgery: Comparison of Predicted and Observed Results

1987 • 50 citations

Multivariate Discriminant Analysis of Risk Factors for Operative Mortality following Isolated Coronary Artery Bypass Graft

1987 • 42 citations

Mortality and results after cardiac surgery in patients with end-stage renal disease

1988 • 34 citations

Coronary artery bypass surgery in patients over age 70 years: Report from the milwaukee cardiovascular data registry

1987 • 27 citations

Selective Contracting for Hospital Care Based on Volume, Quality, and Price: Prospects, Problems, and Unanswered Questions

1987 • 26 citations

Analysis of death (survival analysis) and other time-related events

1986 • 17 citations

Is the outcome of coronary artery bypass graft surgery predictable in patients with severe ventricular function impairment?

1986 • 10 citations

Assessment of Coronary Bypass Surgery and Percutaneous Transluminal Coronary Angioplasty

1989 • 9 citations

The relationship of scoring systems and mortality in the surgical intensive care unit.

1987 • 7 citations