Comparing Two Methods of Clinical Measurement: a Personal History

Overview

Journal Int J Epidemiol

Specialty Public Health

Date 1995 Jan 1

PMID 7558556

Citations 54

Authors

J M Bland

D G Altman

Affiliations

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Abstract

Despite the fundamental importance of measurement in medicine, studies which compare methods of clinical measurement are often analysed inappropriately and may thus come to incorrect conclusions. We explain the problems with the main methods used, notably correlation and regression, and describe the limits of agreement approach which we have proposed. We consider why incorrect methods are so widely used and describe our own experience in bringing this issue to the attention of medical researchers.

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