Users' Guides to the Medical Literature
Guyatt G, Rennie D, Meade MO, Cook DJ
Part C Harm
Chapter 13. Advanced Topics in Harm: Correlation and Regression
Gordon Guyatt, Stephen Walter, Deborah J. Cook, Roman Jaeschke
Introduction
Topics Discussed:
correlation of data, regression analysis
Excerpt:
"Investigators are sometimes interested in the relationship between different
measures or variables. They pose questions related to the correlation
of these variables. For example, they might ask, how well does the
clinical impression of an asthmatic child's symptoms relate to
the parents' perception? How strong is the relationship
between a patient's physical and emotional function?..."
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