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Background. The authors tested whether clinicians make different decisions if they pursue information than if they receive the same information from the start. Methods. Three groups of clinicians participated (N = 1206): dialysis nurses (n = 171), practicing urologists (n = 461), and academic...
Background. Patients’ values are fundamental to decision models, cost-effectiveness analyses, and pharmacoeconomic analyses. The standard methods used to assess how patients value different health states are inherently quantitative. People without strong quantitative skills (i.e., low numeracy)...
Objective. The objective of this study was to compare the effects of written and computerized decision support aids (DSAs) based on U.S. Agency for Health Care Policy and Research depression guidelines. Methods. Fifty-six internal medicine residents were randomized to evaluate clinical scenarios...
Objective. The purpose of this article is to compare the diagnostic accuracy of induced decision trees with that of pruned neural networks and to improve the accuracy and interpretation of breast cancer diagnosis from readings of thin-needle aspirate by identifying cases likely to be...
Three-way receiver operating characteristic (ROC) surface analysis involves the calculation of a volume under an ROC surface (VUS), which is a measure of discriminatory accuracy of 2 diagnostic tests for 3 diseases. Nonparametric methods for calculating VUS and its standard error have been...
Objectives. Hepatitis C (HCV) has emerged as a major epidemic among injection drug users (IDUs), with observed prevalence exceeding 70% in many American and European cities. This article explores the potential of syringe exchange programs (SEPs) to reduce HCV incidence and prevalence. Design. A...
Objectives . In this article, the authors determine the optimal allocation of HIV prevention funds and investigate the impact of different allocation methods on health outcomes. Methods . The authors present a resource allocation model that can be used to determine the allocation of HIV...
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