Advances in Modern Medicine

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Advances in Modern Medicine introduces recent advanced medical practices performed at the Kure Medical Center and Chugoku Cancer Center (KMCCCC) - one of the leading hospitals in Japan - to those ...
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Bland-Altman Analysis for Method Comparisons

Pp. 354-361 (8)

Noriaki Matsuura, Takahiro Sueoka, Hiromi Miyoshi, Naoko Akiyama, Naoyuki Toyota and Kazuo Awai


To assess the adoptability of a new measuring method when true values are unknown, it is necessary to compare the proposed with the conventional method. Although Bland-Altman correlation analysis is widely accepted, it is occasionally misused or applied where it is inappropriate. We provide an overview of Bland-Altman analysis and teach its application and the interpretation of its results. We also comment briefly on regression analysis, another comparison method.


Bland-Altman analysis, Limit of agreement, Method comparison, Pitfall, Statistics.


Department of Diagnostic Radiology, National Hospital Organization Kure Medical Center and Chugoku Cancer Center, 3-1, Aoyama-cho, Kure 737-0023, Japan.