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Abstract Details
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Activity Number:
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522
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Type:
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Contributed
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Date/Time:
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Wednesday, August 1, 2012 : 10:30 AM to 12:20 PM
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Sponsor:
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Biopharmaceutical Section
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| Abstract - #304498 |
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Title:
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An Extension of the Bland-Altman Plot
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Author(s):
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Tie-Hua Ng*+
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Companies:
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FDA/CBER
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Address:
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1401 Rockville Pike, Rockville, MD, 20852-1448, United States
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Keywords:
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Bland-Altman plot ;
three raters ;
systematic bias
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Abstract:
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Altman and Bland (1983) criticized the use of correlation, regression and the mean difference in the comparison of two methods of measurement. They proposed to plot the difference between the two methods against the average (Bland-Altman plot). This paper extends the Bland-Altman plot in the comparison of three methods/raters. Simulated data are used to illustrate the systematic (additive) bias.
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Authors who are presenting talks have a * after their name.
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