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Drugs and diseases reference index

Drugs and diseases reference index

Definition of «Normal range»

Normal range: By convention, the normal range for whatever (a particular test, condition, symptom, behavior, etc.) is set to cover ninety-five percent (95%) of all values from the general population. Five percent (5%) of results consequently fall outside the normal range. Values that prove normal can therefore sometimes be outside the normal range.

The normal range may differ depending on the patient's age, size, sex, or ethnic background.

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