Potential biases in the classification, analysis and interpretations in cross-sectional study: commentaries - surrounding the article ""resting heart rate: its correlations and potential for screening metabolic dysfunctions in adolescents""

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art_MORAES_Potential_biases_in_the_classification_analysis_and_interpretations_2014.PDF (129.02 KB)
Citações na Scopus
1
Tipo de produção
article
Data de publicação
2014
DOI
Scopus
Web of Science
PubMed
Título da Revista
ISSN da Revista
Título do Volume
Editora
BIOMED CENTRAL LTD
Autores
MORENO, Luis A.
Citação
BMC PEDIATRICS, v.14, article ID 117, 4p, 2014
Projetos de Pesquisa
Unidades Organizacionais
Fascículo
Resumo
Background: Resting heart rate reflects sympathetic nerve activity. A significant association between resting heart rate (HR) and all causes of cardiovascular mortality has been reported by some epidemiologic studies. Despite suggestive evidence, resting heart rate (RHR) has not been formally explored as a prognostic factor and potential therapeutic outcome and, therefore, is not generally accepted in adolescents. Discussion: The core of the debate is the methodological aspects used in ""Resting heart rate: its correlations and potential for screening metabolic dysfunctions in adolescents""; the points are: cutoff used for cluster RHR, two different statistical models used to analyze the same set of variables, one for continuous data, and another for categorical data; interpretation of p-value < 0.05, sampling process involving two random stages, analysis of design effect and the parameters of screening tests. Summary: Aspects that must be taken into account for evaluation of a screening test to measure the potential for discrimination for a common variable (population with outcome vs. no outcome population), the main indicators are: sensitivity, specificity, accuracy, positive predictive value and negative predictive value. The measures of argumentation equality (CI) or difference (p-valor) are important to validate these indicators but do not indicate quality of screening.
Palavras-chave
Resting heart rate, Screening test, P-value, High glucose, High triglycerides
URI
https://observatorio.fm.usp.br/handle/OPI/7636
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Coleções
Artigos e Materiais de Revistas Científicas - FM/MPR
Artigos e Materiais de Revistas Científicas - LIM/39