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Statistical Methods for Assessing Agreement between Two Methods of Clinical Measurement. By J. Martin Bland, Douglas G. Altman. Lancet 1986; 1(8476):307-10. Abstract reprinted with permission of Elsevier, copyright 1986. In clinical measurement comparison of a new measurement technique with an established one is often needed to see whether they agree sufficiently for the new to replace the old. Such investigations are often analyzed inappropriately, notably by using correlation coefficients. The use of correlation is misleading. An alternative approach, based on graphical techniques and simple calculations, is described, together with the relation between this analysis and the assessment of repeatability.

Original publication

DOI

10.1097/ALN.0b013e31823d7784

Type

Journal article

Journal

Anesthesiology

Publication Date

01/2012

Volume

116

Pages

182 - 185

Keywords

Biometry, Data Interpretation, Statistical, History, 20th Century, Observer Variation, Publications, Reproducibility of Results, Research Design