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A Review of Cutoffs for Nutritional Biomarkers

Raghavan, Ramkripa; Ashour, Fayrouz Sakr; Bailey, Regan

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2016-01

10/ggpq6g

PMID: 26773019 PMCID: PMC4717888

Abstract:

The nutritional status of an individual or population needs to be assessed through valid and reliable biomarkers. Cutoffs generally have an underlying relation to health status and are one of the important quantitative criteria against which biomarker outputs are compared. For this reason, cutoffs are integral for surveys, surveillance, screening, interventions, monitoring, and evaluation. Despite their importance, nutritional biomarker cutoffs have not been adequately addressed in the literature. Furthermore, the field has not reached a consensus on which cutoff to use for each biomarker, and different cutoffs are often used for the same biomarkers in published studies. This review provides a comprehensive overview of cutoffs related to nutritional biomarkers and highlights some of the high-priority research gaps and challenges of using micronutrient case studies.

Automatic Tags

Humans; Micronutrients; Nutritional Status; Reference Values; Biomarkers; Nutrition Assessment; cutoffs; nutritional assessment; nutritional biomarkers; nutritional deficiency; nutritional surveillance; reference values; ROC curve; Youden index

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