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Dictionary - C


Chance Randomness, or the lack of a pattern or predictability in events.


Clinical trial A rigorously controlled test of a new treatment (e.g. drug or medical device) on human subjects.


Confounding variable Something other than the treatment being studied that can affect the measured outcome of a trial.
See also: www.eupati.eu/glossary/confounding-variable


Cost-effectiveness Benefits of a treatment or test relative to the cost.