Association of serum vitamin C with all-cause and cause-specific death: Data from National Health and Nutrition Examination Survey (NHANES 2003-2006)

Tian, Tian; Shao, Jianguo; Shen, Zhimei; Sun, Xueli; Liu, Yan; Cao, Ling; Yang, Geng; Song, Bin

doi:10.1016/j.nut.2022.111696

Cited by 6 publications

(2 citation statements)

References 31 publications

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“…The National Health and Nutrition Examination Survey (NHANES) was established to collect information on health and nutrition among US citizens on a national level. To extensively generalize the NHANES results within the US population, a multistage, complicated probability sampling strategy was utilized [21]. NHANES was conducted based on the Helsinki Declaration (as revised in Brazil 2013).…”

Section: Subjects and Designmentioning

confidence: 99%

Association of waist circumference with all-cause and cardiovascular mortality in diabetes from NHANES 2003-2014

Tian

Yang

et al. 2023

Preprint

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Background In diabetes mellitus (DM), the relationship between waist circumference (WC) and mortality is scarce. Herein, we explored all-cause and cardiovascular mortality relationships with the baseline WC among individuals with DM. Methods US adults with DM (2256 women and 2427 men) from NHANES 2003–2014 who had WC measurement at the baseline were included. The national death index was employed to obtain their survival data from the enrollment till 2015. The mortality risk was calculated using multivariable Cox proportional hazards models, smooth curve fitting, and threshold effect analysis. Results Among a total of 4683 participants with diabetes, 346 women and 482 men died during the median follow-up of 5.7 and 5.4 years, respectively. With all-cause and cardiovascular mortality, WC exhibited a U-shaped association among females and a J-shaped trend among males. The adjusted hazard ratios (HRs) along with 95% confidence intervals (CIs) for all-cause mortality given WC values below and above 107.0 cm were 0.98 (0.96–0.98) and 1.03 (1.01–1.05), respectively, among women, and those below and above 89.5 cm were 0.91 (0.87–0.96) and 1.04 (1.02–1.05), respectively, among men. Conclusions WC presented a U-shaped relationship among women, and a J-shaped relation among men regarding all-cause and cardiovascular mortality among US adults with DM from NHANES.

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Section: Subjects and Designmentioning

confidence: 99%

Association of waist circumference with all-cause and cardiovascular mortality in diabetes from NHANES 2003-2014

Tian

Yang

et al. 2023

Preprint

Self Cite

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“…Then, we used restricted cubic spline functions with four default knots to model a smooth curve (19,20), which was used to assess the relationship between glioma events and BMI and was fitted using the "spline smoothing plot module" in Empower software. To test for possible non-linearity, a log-likelihood ratio test comparing the one-line linear model (Model I) to segmented regression model (Model II) was performed (21). All statistical analyses were performed in R software (version 3.4.3; http:// www.R-project.org) and Empower (version 2.0; X&Y Solutions, Inc., Boston, MA, USA).…”

Section: Statistical Analysesmentioning

confidence: 99%

Body mass index and glioma risk: A prospective multicenter study

et al. 2022

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BackgroundThe association between glioma risk and body mass index (BMI) remains obscure.MethodsThis study aimed to assess the association between glioma risk and BMI in the Prostate, Lung, Colorectal, and Ovarian (PLCO) Cancer Screening Trial. Cox proportional hazards regression was used to calculate the hazard ratios (HRs) and 95% confidence intervals (CIs).ResultsThe onset of a total of 269 gliomas was observed during a median follow-up period of 12.04 years. Compared with the normal weight, overweight (HR: 1.05; 95% CI: 0.80, 1.39) and obesity (HR: 0.91; 95% CI: 0.56, 1.39) were not significantly associated with glioma risk. Further analysis showed a nonlinear relationship between glioma risk and BMI in men but not women. The multivariable-adjusted HRs per unit increase in BMI were 0.94 (95% CI: 0.89, 1.00; P = 0.037) in men with BMI >25 kg/m2 and 1.16 (95% CI: 0.98, 1.38; P = 0.075) in men with BMI <25 kg/m2.ConclusionThe present data provide evidence that there may be a nonlinear association between BMI and glioma risk in men. The risk of glioma decreased with increasing BMI among men with BMI >25 kg/m2. Future studies are needed to validate our observation.

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Associations of serum vitamin C concentrations with risk of all-cause and cause-specific mortality among individuals with and without type 2 diabetes

Qiu

Geng

et al. 2023

Eur J Nutr

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Association of serum vitamin C with all-cause and cause-specific death: Data from National Health and Nutrition Examination Survey (NHANES 2003-2006)

Cited by 6 publications

References 31 publications

Association of waist circumference with all-cause and cardiovascular mortality in diabetes from NHANES 2003-2014

Association of waist circumference with all-cause and cardiovascular mortality in diabetes from NHANES 2003-2014

Body mass index and glioma risk: A prospective multicenter study

Associations of serum vitamin C concentrations with risk of all-cause and cause-specific mortality among individuals with and without type 2 diabetes

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