Clinical prediction rules. Have they come of age?

摘要: The objective of clinical prediction rules (decision rules) is to reduce the uncertainty inherent in medical practice by defining how use findings make predictions. 1 A decade ago, we assessed quality published from 1981 through 1984 four major journals. Since then availability powerful computers and easy-to-use software programs has increased dramatically. This environment stimulated production rules. During last calendar year, JAMA more than it did during 4-year period covered our original review. In this issue ofTHE JOURNAL, Stiell et al 2 demonstrate a method for targeting knee radiographs acute injuries applying five predictors fractures. When prevalence fracture 6%, probability clinically important estimated be less 0.4%, if these