Dietary Factors and Breast Cancer Prognosis among Breast Cancer Survivors: A Systematic Review and Meta-Analysis of Cohort Studies

Few studies have summarized the association between dietary factors and breast cancer (BC) prognosis among breast cancer survivors (BCS). Therefore, we carried out a systematic review and meta-analysis to determine the associations between dietary factors and BC prognosis among BCS. We performed a l...

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Autores principales:	Sin-Hye Park, Tung Hoang, Jeongseon Kim
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	breast cancer mortality prognosis dietary factors breast cancer survivors Neoplasms. Tumors. Oncology. Including cancer and carcinogens RC254-282
Acceso en línea:	https://doaj.org/article/faac78e965e34781b67e8df3bcfdbb6d
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spelling	oai:doaj.org-article:faac78e965e34781b67e8df3bcfdbb6d2021-11-11T15:28:25ZDietary Factors and Breast Cancer Prognosis among Breast Cancer Survivors: A Systematic Review and Meta-Analysis of Cohort Studies10.3390/cancers132153292072-6694https://doaj.org/article/faac78e965e34781b67e8df3bcfdbb6d2021-10-01T00:00:00Zhttps://www.mdpi.com/2072-6694/13/21/5329https://doaj.org/toc/2072-6694Few studies have summarized the association between dietary factors and breast cancer (BC) prognosis among breast cancer survivors (BCS). Therefore, we carried out a systematic review and meta-analysis to determine the associations between dietary factors and BC prognosis among BCS. We performed a literature search in PubMed and Embase to investigate the association between dietary factors and BC prognosis. We applied a random-effects model to compute the hazard ratio/relative risk and their 95% confidence intervals and heterogeneity (Higgins I<sup>2</sup>) and to generate forest plots using STATA. Among the 2279 papers identified, 63 cohort studies were included in the systematic review and meta-analysis. Our main finding was that higher consumption of beer and saturated fat negatively affected BC prognosis. However, the intake of lignans, fiber, multivitamins, and antioxidants was negatively associated with the risk of mortality. Furthermore, we performed subgroup analyses by menopausal status and dietary or supplementary micronutrient intake. Most trends were similar to the main findings; in particular, the vitamin C, vitamin D, and vitamin E supplements decreased the risk of mortality. This study’s current systematic review and meta-analysis provide comprehensive dietary information for the development of dietary guidelines/recommendations to improve prognosis among BCS.Sin-Hye ParkTung HoangJeongseon KimMDPI AGarticlebreast cancermortalityprognosisdietary factorsbreast cancer survivorsNeoplasms. Tumors. Oncology. Including cancer and carcinogensRC254-282ENCancers, Vol 13, Iss 5329, p 5329 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	breast cancer mortality prognosis dietary factors breast cancer survivors Neoplasms. Tumors. Oncology. Including cancer and carcinogens RC254-282
spellingShingle	breast cancer mortality prognosis dietary factors breast cancer survivors Neoplasms. Tumors. Oncology. Including cancer and carcinogens RC254-282 Sin-Hye Park Tung Hoang Jeongseon Kim Dietary Factors and Breast Cancer Prognosis among Breast Cancer Survivors: A Systematic Review and Meta-Analysis of Cohort Studies
description	Few studies have summarized the association between dietary factors and breast cancer (BC) prognosis among breast cancer survivors (BCS). Therefore, we carried out a systematic review and meta-analysis to determine the associations between dietary factors and BC prognosis among BCS. We performed a literature search in PubMed and Embase to investigate the association between dietary factors and BC prognosis. We applied a random-effects model to compute the hazard ratio/relative risk and their 95% confidence intervals and heterogeneity (Higgins I<sup>2</sup>) and to generate forest plots using STATA. Among the 2279 papers identified, 63 cohort studies were included in the systematic review and meta-analysis. Our main finding was that higher consumption of beer and saturated fat negatively affected BC prognosis. However, the intake of lignans, fiber, multivitamins, and antioxidants was negatively associated with the risk of mortality. Furthermore, we performed subgroup analyses by menopausal status and dietary or supplementary micronutrient intake. Most trends were similar to the main findings; in particular, the vitamin C, vitamin D, and vitamin E supplements decreased the risk of mortality. This study’s current systematic review and meta-analysis provide comprehensive dietary information for the development of dietary guidelines/recommendations to improve prognosis among BCS.
format	article
author	Sin-Hye Park Tung Hoang Jeongseon Kim
author_facet	Sin-Hye Park Tung Hoang Jeongseon Kim
author_sort	Sin-Hye Park
title	Dietary Factors and Breast Cancer Prognosis among Breast Cancer Survivors: A Systematic Review and Meta-Analysis of Cohort Studies
title_short	Dietary Factors and Breast Cancer Prognosis among Breast Cancer Survivors: A Systematic Review and Meta-Analysis of Cohort Studies
title_full	Dietary Factors and Breast Cancer Prognosis among Breast Cancer Survivors: A Systematic Review and Meta-Analysis of Cohort Studies
title_fullStr	Dietary Factors and Breast Cancer Prognosis among Breast Cancer Survivors: A Systematic Review and Meta-Analysis of Cohort Studies
title_full_unstemmed	Dietary Factors and Breast Cancer Prognosis among Breast Cancer Survivors: A Systematic Review and Meta-Analysis of Cohort Studies
title_sort	dietary factors and breast cancer prognosis among breast cancer survivors: a systematic review and meta-analysis of cohort studies
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/faac78e965e34781b67e8df3bcfdbb6d
work_keys_str_mv	AT sinhyepark dietaryfactorsandbreastcancerprognosisamongbreastcancersurvivorsasystematicreviewandmetaanalysisofcohortstudies AT tunghoang dietaryfactorsandbreastcancerprognosisamongbreastcancersurvivorsasystematicreviewandmetaanalysisofcohortstudies AT jeongseonkim dietaryfactorsandbreastcancerprognosisamongbreastcancersurvivorsasystematicreviewandmetaanalysisofcohortstudies
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Dietary Factors and Breast Cancer Prognosis among Breast Cancer Survivors: A Systematic Review and Meta-Analysis of Cohort Studies

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