Observational studies and predictive models.

@article{Smith1990ObservationalSA,
  title={Observational studies and predictive models.},
  author={L. R. Smith},
  journal={Anesthesia and analgesia},
  year={1990},
  volume={70 3},
  pages={
          235-9
        }
}
  • L. R. Smith
  • Published 1990
  • Medicine
  • Anesthesia and analgesia
The paper by Shah and colleagues (hereafter referred to as Shah), “Angina and Other Risk Factors in Patients With Cardiac Diseases Undergoing Noncardiac Operations” (l), is an important study because of the prevalence of cardiac patients that require noncardiac surgery. It is also important because it is a paradigm of a number of studies that have appeared in the literatuie recently (e.g., 2,3). Statistical analysis plays a central role in these studies. The purpose of this editorial is to use… Expand
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