A new mathematical approach to improve the original dietary inflammatory index (DII) calculation

Accumulating evidence links dietary intake to inflammatory processes involved in non-communicable disease (NCD) development. The dietary inflammatory index (DII) designed by Shivappa et al. has been shown to capture the inflammatory potential of dietary behavior in a large number of epidemiological...

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Autores principales:	Xenia Pawlow, Raffael Ott, Christiane Winkler, Anette-G. Ziegler, Sandra Hummel
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/b2e4c91b390243509cb33b5fcf86fdea
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spelling	oai:doaj.org-article:b2e4c91b390243509cb33b5fcf86fdea2021-11-18T06:34:25ZA new mathematical approach to improve the original dietary inflammatory index (DII) calculation1932-6203https://doaj.org/article/b2e4c91b390243509cb33b5fcf86fdea2021-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC8575297/?tool=EBIhttps://doaj.org/toc/1932-6203Accumulating evidence links dietary intake to inflammatory processes involved in non-communicable disease (NCD) development. The dietary inflammatory index (DII) designed by Shivappa et al. has been shown to capture the inflammatory potential of dietary behavior in a large number of epidemiological studies. Thus, the DII may serve as future tool to assess someone’s nutritional inflammatory capacities and hence, the individual risks for NCD development later in life. The calculation method of the DII, however, can benefit from alternative mathematical steps, particularly regarding the transformation from standardized daily food consumption to percentile scores. Here, we provide novel approaches, the scaling-formula (SF) and scaling-formula with outlier detection (SFOD) methods, with the aim to optimize the DII calculation method proposed by Shivappa and colleagues. We illustrate on simulated data specific limitations of the original DII calculation and show the benefits of the SF/SFOD by using simulated data and data from the prospective TEENDIAB study cohort, which supports the application of SF/SFOD in future epidemiological and clinical studies.Xenia PawlowRaffael OttChristiane WinklerAnette-G. ZieglerSandra HummelPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Xenia Pawlow Raffael Ott Christiane Winkler Anette-G. Ziegler Sandra Hummel A new mathematical approach to improve the original dietary inflammatory index (DII) calculation
description	Accumulating evidence links dietary intake to inflammatory processes involved in non-communicable disease (NCD) development. The dietary inflammatory index (DII) designed by Shivappa et al. has been shown to capture the inflammatory potential of dietary behavior in a large number of epidemiological studies. Thus, the DII may serve as future tool to assess someone’s nutritional inflammatory capacities and hence, the individual risks for NCD development later in life. The calculation method of the DII, however, can benefit from alternative mathematical steps, particularly regarding the transformation from standardized daily food consumption to percentile scores. Here, we provide novel approaches, the scaling-formula (SF) and scaling-formula with outlier detection (SFOD) methods, with the aim to optimize the DII calculation method proposed by Shivappa and colleagues. We illustrate on simulated data specific limitations of the original DII calculation and show the benefits of the SF/SFOD by using simulated data and data from the prospective TEENDIAB study cohort, which supports the application of SF/SFOD in future epidemiological and clinical studies.
format	article
author	Xenia Pawlow Raffael Ott Christiane Winkler Anette-G. Ziegler Sandra Hummel
author_facet	Xenia Pawlow Raffael Ott Christiane Winkler Anette-G. Ziegler Sandra Hummel
author_sort	Xenia Pawlow
title	A new mathematical approach to improve the original dietary inflammatory index (DII) calculation
title_short	A new mathematical approach to improve the original dietary inflammatory index (DII) calculation
title_full	A new mathematical approach to improve the original dietary inflammatory index (DII) calculation
title_fullStr	A new mathematical approach to improve the original dietary inflammatory index (DII) calculation
title_full_unstemmed	A new mathematical approach to improve the original dietary inflammatory index (DII) calculation
title_sort	new mathematical approach to improve the original dietary inflammatory index (dii) calculation
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/b2e4c91b390243509cb33b5fcf86fdea
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A new mathematical approach to improve the original dietary inflammatory index (DII) calculation

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