Statistics for Laboratory Method Comparison Studies

January 15, 2002
Robert T. Magari, Ph.D.

BioPharm International, BioPharm International-01-01-2002, Volume 15, Issue 1

by Robert T. Magari, Beckman Coulter Corporation In laboratory testing, you may want to use a new analytical method for measuring a chemical substance. To do so, you must be able to prove that the new method gives the same results as the previous one. Not all statistical methods for making laboratory comparisons are equally valid.