• Entry
  • Reader's guide
  • Entries A-Z
  • Subject index

Decision Rules

A decision rule is a decision-making tool combining fixed history and physical examination items and/or a simple diagnostic test used for explicit application to a clinical decision. Although many decisions about management of patients are accurately made on the basis of clinical judgment, some decision making can be improved through application of a standardized decision rule that has been developed and tested through a rigorous evidence-based process. Implementation of a rule can bring greater certainty to the clinician about the course of action to follow given a particular patient presentation, or it may lead to an improved ability to predict the probability of disease.

A decision rule is developed in a systematic process, using prospective studies often involving large numbers of patients, to meet an outcome ...

    • Loading...
    locked icon

    Sign in to access this content

    Get a 30 day FREE TRIAL

    • Watch videos from a variety of sources bringing classroom topics to life
    • Read modern, diverse business cases
    • Explore hundreds of books and reference titles