Intervals for the assessment of measurement agreement: Similarities, differences, and consequences of incorrect interpretations

Vock, Michael (2016). Intervals for the assessment of measurement agreement: Similarities, differences, and consequences of incorrect interpretations. Biometrical journal, 58(3), pp. 489-501. Wiley-VCH 10.1002/bimj.201400234

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Several intervals have been proposed to quantify the agreement of two methods intended to measure the same quantity in the situation where only one measurement per method and subject is available. The limits of agreement are probably the most well-known among these intervals, which are all based on the differences between the two measurement methods. The different meanings of the intervals are not always properly recognized in applications. However, at least for small-to-moderate sample sizes, the differences will be substantial. This is illustrated both using the width of the intervals and on probabilistic scales related to the definitions of the intervals. In particular, for small-to-moderate sample sizes, it is shown that limits of agreement and prediction intervals should not be used to make statements about the distribution of the differences between the two measurement methods or about a plausible range for all future differences. Care should therefore be taken to ensure the correct choice of the interval for the intended interpretation.

Item Type:

Journal Article (Original Article)

Division/Institute:

08 Faculty of Science > Department of Mathematics and Statistics > Institute of Mathematical Statistics and Actuarial Science

UniBE Contributor:

Vock, Michael Peter

Subjects:

500 Science > 510 Mathematics

ISSN:

0323-3847

Publisher:

Wiley-VCH

Language:

English

Submitter:

Lutz Dümbgen

Date Deposited:

07 Apr 2016 10:45

Last Modified:

04 May 2016 10:21

Publisher DOI:

10.1002/bimj.201400234

PubMed ID:

26639317

BORIS DOI:

10.7892/boris.77676

URI:

https://boris.unibe.ch/id/eprint/77676

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