Accuracy of ICD-9-CM Codes for Identifying Cardiovascular and Stroke Risk Factors

Adapting a clinical comorbidity index for use with ICD-9-CM administrative databases

1992 • 10,174 citations

Comorbidity Measures for Use with Administrative Data

1998 • 8,872 citations

Statistical Methods for Rates and Proportions, 2nd ed

1981 • 3,735 citations

Users' Guides to the Medical Literature

1994 • 1,038 citations

Likelihood ratios with confidence: Sample size estimation for diagnostic test studies

1991 • 905 citations

The accuracy of Medicare's hospital claims data: progress has been made, but problems remain.

1992 • 723 citations

Users' guides to the medical literature. III. How to use an article about a diagnostic test. A. Are the results of the study valid? Evidence-Based Medicine Working Group

1994 • 678 citations

Validating Administrative Data in Stroke Research

2002 • 625 citations

The Incidence of Deep Venous Thrombosis and Pulmonary Embolism among Patients with Inflammatory Bowel Disease: A Population-based Cohort Study

2001 • 572 citations

Accuracy of Diagnostic Coding for Medicare Patients under the Prospective-Payment System

1988 • 506 citations

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

1992 • 459 citations

Accuracy of ICD-9-CM Coding for the Identification of Patients With Acute Ischemic Stroke

1998 • 399 citations

Co-morbidity data in outcomes research Are clinical data derived from administrative databases a reliable alternative to chart review?

2000 • 265 citations

Positive predictive value of the diagnosis of acute myocardial infarction in an administrative database

1999 • 238 citations

Congestive Heart Failure in the United States

2000 • 218 citations

A comparison of administrative versus clinical data: coronary artery bypass surgery as an example

1994 • 198 citations

Accuracy of computerized outpatient diagnoses in a Veterans Affairs general medicine clinic.

2002 • 171 citations

Medicare Reimbursement Accuracy Under the Prospective Payment System, 1985 to 1988

1992 • 155 citations

Accuracy of ICD-9-CM codes in hospital morbidity data, Victoria: implications for public health research

1997 • 128 citations

Identification of Incident Stroke in Norway

1999 • 119 citations

Length of Hospital Stay for Treatment of Deep Venous Thrombosis and the Incidence of Recurrent Thromboembolism

1998 • 97 citations

Statistical Methods for the Analysis of Biomedical Data

2002 • 91 citations

Risk Profile and Prediction of Long-Term Ischemic Stroke Mortality

1998 • 73 citations

Accuracy of injury coding in Victorian hospital morbidity data.

1997 • 61 citations

Medical Decision Making

2010 • 52 citations

Pitfalls in assessing the quality of care for patients with cardiovascular disease

2001 • 17 citations

Decline in mortality of coronary heart disease among whites and blacks in Wisconsin 1979-1998.

2002 • 9 citations