Clinical decision (or prediction) rules attempt to re-duce the uncertainty of medical decision-
making by standardizing the collection and interpretation of clinical data. A decision rule is …

In the past 2 decades, the literature has been flooded with studies that attempt to define
historical, physical, or laboratory findings that alone or in some combination can be used to …

The purpose of this review is to present a guide to help readers critically appraise the
methodologic quality of an article or articles describing a clinical decision rule. This guide …

ABSTRACT Objectives: 1) To assess Canadian emergency physicians'(EPs') use of and
attitudes toward 2 radiographic clinical decision rules that have recently been developed …

Clinical decision rules are increasingly prominent in medicine, particularly in emergency
care. The quality, use, and impact of current published decision rules widely vary, requiring …

This paper is Part I of a 2-part series to describe the background and methodology for the
Canadian C-Spine Rule study to develop a clinical decision rule for rational imaging in alert …

The use of computed tomographic scanning in blunt head trauma has increased
dramatically in recent years without an accompanying rise in the prevalence of injury or …

This paper is Part I of a 2-part series to describe the background and methodology for the
Canadian C-Spine Rule study to develop a clinical decision rule for rational imaging in alert …

Prospective validation on a new set of patients is an essential test of a new decision rule.
However, many clinical decision rules are not prospectively assessed to determine their …

Head injury is a common problem. However while emergency physicians see one million
head injuries per year, only 2000 of these will require neurosurgery and only half of these …