To the Editor: We agree with the authors1 wholeheartedly that Bland and Altman2 developed their analysis to address the inappropriate use of the correlation coefficient as a means of comparing… Click to show full abstract
To the Editor: We agree with the authors1 wholeheartedly that Bland and Altman2 developed their analysis to address the inappropriate use of the correlation coefficient as a means of comparing 2 methods of measuring the same clinical parameter. However, a careful reading of their manuscript shows that the short-coming they sought to address was of mistaking a high degree of correlation for agreement (or concordance) between 2 measurement techniques. In that paper they state the following.
               
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