Consumption of vegetables and fruits and breast cancer survival: a systematic review and meta-analysis

Abstract We aimed to conduct a meta-analysis investigating the association between consumption of vegetables and fruits and breast cancer survival. A comprehensive search of the PubMed and EMBASE was performed from the inception to September 30, 2016. The summary hazard ratios (HRs) and 95% confiden...

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Autores principales: Juanjuan He, Yuanting Gu, Shaojin Zhang
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2017
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spelling oai:doaj.org-article:825b5476c3844533900f600ede748d422021-12-02T16:06:54ZConsumption of vegetables and fruits and breast cancer survival: a systematic review and meta-analysis10.1038/s41598-017-00635-52045-2322https://doaj.org/article/825b5476c3844533900f600ede748d422017-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-00635-5https://doaj.org/toc/2045-2322Abstract We aimed to conduct a meta-analysis investigating the association between consumption of vegetables and fruits and breast cancer survival. A comprehensive search of the PubMed and EMBASE was performed from the inception to September 30, 2016. The summary hazard ratios (HRs) and 95% confidence intervals (CIs) were estimated using a random effects model. Ten studies, with a total of 31,210 breast cancer cases, were included in the meta-analysis. The summary HRs (95% CIs) of overall survival (highest vs. lowest) were 1.08 (0.88–1.33; I2 = 41.1%) for pre-diagnostic intake of vegetables and fruits combined, 0.96 (0.71–1.30; I2 = 48.4%) for vegetables alone, and 0.83 (0.67–1.02; I2 = 0) for fruit alone. No significant risk associations of overall survival were found for post-diagnostic intake of vegetables and fruits. Line dose-response analyses indicated the likely results for both pre- and post- diagnostic dietary intake. No significant association was found between intake of vegetables and fruits and breast cancer-specific mortality. In addition, intake of cruciferous vegetables was not associated with death from breast cancer. Our findings indicated a borderline inverse association between pre-diagnostic intake of fruit and overall survival of breast cancer, whereas intake of vegetables was not associated with survival.Juanjuan HeYuanting GuShaojin ZhangNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-10 (2017)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Juanjuan He
Yuanting Gu
Shaojin Zhang
Consumption of vegetables and fruits and breast cancer survival: a systematic review and meta-analysis
description Abstract We aimed to conduct a meta-analysis investigating the association between consumption of vegetables and fruits and breast cancer survival. A comprehensive search of the PubMed and EMBASE was performed from the inception to September 30, 2016. The summary hazard ratios (HRs) and 95% confidence intervals (CIs) were estimated using a random effects model. Ten studies, with a total of 31,210 breast cancer cases, were included in the meta-analysis. The summary HRs (95% CIs) of overall survival (highest vs. lowest) were 1.08 (0.88–1.33; I2 = 41.1%) for pre-diagnostic intake of vegetables and fruits combined, 0.96 (0.71–1.30; I2 = 48.4%) for vegetables alone, and 0.83 (0.67–1.02; I2 = 0) for fruit alone. No significant risk associations of overall survival were found for post-diagnostic intake of vegetables and fruits. Line dose-response analyses indicated the likely results for both pre- and post- diagnostic dietary intake. No significant association was found between intake of vegetables and fruits and breast cancer-specific mortality. In addition, intake of cruciferous vegetables was not associated with death from breast cancer. Our findings indicated a borderline inverse association between pre-diagnostic intake of fruit and overall survival of breast cancer, whereas intake of vegetables was not associated with survival.
format article
author Juanjuan He
Yuanting Gu
Shaojin Zhang
author_facet Juanjuan He
Yuanting Gu
Shaojin Zhang
author_sort Juanjuan He
title Consumption of vegetables and fruits and breast cancer survival: a systematic review and meta-analysis
title_short Consumption of vegetables and fruits and breast cancer survival: a systematic review and meta-analysis
title_full Consumption of vegetables and fruits and breast cancer survival: a systematic review and meta-analysis
title_fullStr Consumption of vegetables and fruits and breast cancer survival: a systematic review and meta-analysis
title_full_unstemmed Consumption of vegetables and fruits and breast cancer survival: a systematic review and meta-analysis
title_sort consumption of vegetables and fruits and breast cancer survival: a systematic review and meta-analysis
publisher Nature Portfolio
publishDate 2017
url https://doaj.org/article/825b5476c3844533900f600ede748d42
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AT yuantinggu consumptionofvegetablesandfruitsandbreastcancersurvivalasystematicreviewandmetaanalysis
AT shaojinzhang consumptionofvegetablesandfruitsandbreastcancersurvivalasystematicreviewandmetaanalysis
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