Association of Dietary Fiber, Composite Dietary Antioxidant Index and Risk of Death in Tumor Survivors: National Health and Nutrition Examination Survey 2001-2018

被引:23
|
作者
Tan, Zongbiao [1 ]
Meng, Yang [2 ]
Li, Lu [2 ]
Wu, Yanrui [1 ]
Liu, Chuan [1 ]
Dong, Weiguo [1 ]
Chen, Changzheng [2 ]
机构
[1] Wuhan Univ, Dept Gastroenterol, Renmin Hosp, 238 Jiefang Rd, Wuhan 430060, Peoples R China
[2] Wuhan Univ, Renmin Hosp, Dept Ophthalmol, 238 Jiefang Rd, Wuhan 430060, Peoples R China
基金
中国国家自然科学基金;
关键词
dietary fiber; composite dietary antioxidant index; cancer survivors; mortality; CANCER INCIDENCE; GUT MICROBIOTA; COMPONENTS; EFFICACY; MICE;
D O I
10.3390/nu15132968
中图分类号
R15 [营养卫生、食品卫生]; TS201 [基础科学];
学科分类号
100403 ;
摘要
Background: Dietary fiber is a functional substance with strong antioxidant activity that plays an important role in human health. Dietary fiber has been shown to reduce the risks of many types of cancers, but whether it can reduce the risk of death in cancer survivors remains undetermined. Methods: This study included the dietary data of cancer survivors who participated in the National Health and Nutrition Examination Surveys from 2001 to 2018. Firstly, the relationship between fiber intake and composite dietary antioxidant index (CDAI) was explored by weighted multiple regression and smooth curve. Subsequently, multivariable Cox proportional hazards regression models were used to explore the effects of dietary fiber intake and CDAI level on the risks of all-cause, tumor, and cardiovascular death among cancer survivors. Results: A total of 2077 participants were included in the study, representing approximately 11,854,509 cancer survivors in the United States. The dietary fiber intake of tumor survivors had a nonlinear positive relationship with CDAI levels (& beta; = 0.24, 95% CI: 0.08-0.40, p = 0.004). Multivariable Cox proportional hazards regression models showed that high dietary fiber intake and CDAI levels were associated with reduced risks of all-cause and tumor death in tumor survivors, but were not associated with the risk of cardiovascular death. Conclusion: An increased dietary fiber intake can enhance the body's antioxidant capacity. A higher dietary fiber intake and CDAI level may reduce the risk of all-cause and tumor death in tumor survivors.
引用
收藏
页数:12
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