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Obtaining appropriate interval estimates for age when multiple indicators are used: evaluation of an ad-hoc procedure

Fieuws, Steffen ; Willems, Guy ; Larsen-Tangmose, Sara ; Lynnerup, Niels ; Boldsen, Jesper ; Thevissen, Patrick

International journal of legal medicine, 2016-03, Vol.130 (2), p.489-499 [Periódico revisado por pares]

Berlin/Heidelberg: Springer Berlin Heidelberg

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  • Título:
    Obtaining appropriate interval estimates for age when multiple indicators are used: evaluation of an ad-hoc procedure
  • Autor: Fieuws, Steffen ; Willems, Guy ; Larsen-Tangmose, Sara ; Lynnerup, Niels ; Boldsen, Jesper ; Thevissen, Patrick
  • Assuntos: Adolescent ; Age Determination by Teeth ; Forensic Medicine ; Forensic Sciences - methods ; Humans ; Likelihood Functions ; Male ; Medical Law ; Medicine ; Medicine & Public Health ; Models, Statistical ; Molar, Third - growth & development ; Original Article ; Young Adult
  • É parte de: International journal of legal medicine, 2016-03, Vol.130 (2), p.489-499
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
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  • Descrição: When an estimate of age is needed, typically multiple indicators are present as found in skeletal or dental information. There exists a vast literature on approaches to estimate age from such multivariate data. Application of Bayes’ rule has been proposed to overcome drawbacks of classical regression models but becomes less trivial as soon as the number of indicators increases. Each of the age indicators can lead to a different point estimate (“the most plausible value for age”) and a prediction interval (“the range of possible values”). The major challenge in the combination of multiple indicators is not the calculation of a combined point estimate for age but the construction of an appropriate prediction interval. Ignoring the correlation between the age indicators results in intervals being too small. Boldsen et al. (2002) presented an ad-hoc procedure to construct an approximate confidence interval without the need to model the multivariate correlation structure between the indicators. The aim of the present paper is to bring under attention this pragmatic approach and to evaluate its performance in a practical setting. This is all the more needed since recent publications ignore the need for interval estimation. To illustrate and evaluate the method, Köhler et al. (1995) third molar scores are used to estimate the age in a dataset of 3200 male subjects in the juvenile age range.
  • Editor: Berlin/Heidelberg: Springer Berlin Heidelberg
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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