Confounding variable
A variable which is not the one you are interested in, but which may affect the results of trial.
Glossary
c
Critical appraisal
The assessment of evidence by systematically reviewing its relevance, validity and results to specific situations. (Chambers, R. (1998). Clinical effectiveness made easy: first thoughts on clinical governance. Oxford, Radcliffe Medical Press.) It is a balanced assessment of benefits and strengths of evidence against its flaws and weaknesses.
Critically appraised topic (CAT)
A short summary of an article from the literature, created to answer a specific clinical question.
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