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date: 21 June 2025

Normal Limits 

Source:
A Dictionary of Epidemiology
Author(s):

Miquel Porta

The limits of the “normal” range of a test or measurement, in the sense of being indicative of or conducive to good health. One way to determine normal limits is to compare the values obtained when the measurements are made in two groups, one that is healthy and has been found to remain healthy and another that is ill or subsequently found to become ill. The result may be two overlapping distributions. Outside the area where the distributions overlap, a given value clearly identifies the ... ...

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