The estimation of moments: A technical note

descriptionPublicationkeyboard_double_arrow_right Article 01 Apr 1989 English Publisher:Springer Science and Business Media LLCJournal:Journal of Pharmacokinetics and Biopharmaceutics, volume 17, pages 203-208 (issn: 0090-466X,

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Authors: M K, Charter;

doi: 10.1007/bf01059028

pmid: 2677313

The estimation of moments: A technical note

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Abstract

The calculation of several common pharmacokinetic parameters requires estimates of both the area under the curve of the concentration of the drug in a sampled fluid vs. time, and also the first moment about t = 0 of this area. It is proposed that the methods used to estimate these quantities should make consistent assumptions about the concentration of the drug. There appears to be an inconsistency in the standard published formulas in the case where concentration is interpolated linearly. A more consistent formula is derived.

Keywords

Models, Chemical, Pharmacokinetics, Mathematics

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