Normal Range Calculation: Selecction of the Distribution Which Conform to Mean, Standard Deviation and Skewness

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概要

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• A Statistical distribution model (dislocated lognormal distribution). which is convertible to normal distribution after transformation of the variable by log (x-a), is adopted as a model for normal range calculation. The distribution parameters are calculated from sample statistics (mean, standard deviation and skewness). The distribution conform well to non-normal and non-lognormal distributions. Calculated normal ranges are makedely affected by a few cases of abnormal data, and the method is only applicable to pure normal samples.

• Japan Society of Clinical Chemistryの論文

著者

• 臼井 敏明

  長崎大学病院検査部

関連論文

• Normal Range Calculation: Selecction of the Distribution Which Conform to Mean, Standard Deviation and Skewness

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