Cohort study2023Open access

Magnesium intake and all-cause mortality after stroke: a cohort study

Wang M, Peng J, Yang C, Zhang W, Cheng Z, Zheng H

Nutrition journal · 18 citations

Review labels

Funding not disclosed

Neutral facts our review recorded about how this study was done. They describe method, never whether we like the result.

How it was studied

Design
Cohort study (indexed by PubMed)
Studied in
People
Main outcome
Clinical events such as disease or death

Who paid for it

Funding
Funding not disclosed

Publication

Published
2023-10-30 · Nutr J · vol. 22 · issue 1 · p. 54
Publisher
BioMed Central
Cited
17 citations · more than 87% of similar papers · 2.1× the field average
References
28 works
Access
Open access (journal) · CC-BY
Research areas
Magnesium in Health and Disease · Parathyroid Disorders and Treatments · Potassium and Related Disorders
Keywords
Medicine, Quartile, Stroke (engine), National Health and Nutrition Examination Survey, Confounding, Magnesium, Proportional hazards model, Clinical nutrition, Cohort, Internal medicine, Population, Cohort study, Environmental health, Confidence interval
MeSH
humans, cardiovascular diseases, magnesium, nutrition surveys, cohort studies, female, male, stroke

6 authors

From CN

  • Mengyan WangTaizhou First People's Hospital
  • Jianhong PengTaizhou First People's Hospital
  • Caili YangTaizhou First People's Hospital
  • Wenyuan ZhangWenzhou Medical University
  • Zicheng Cheng · correspondingJinhua Central Hospital
  • Haibin Zheng · correspondingWenzhou Medical University; Taizhou First People's Hospital; Zhejiang Taizhou Hospital

Abstract

Background

Population-based studies have shown that adequate magnesium intake is associated with a lower risk of stroke and all-cause mortality. Whether adequate magnesium intake is important for reducing all-cause mortality risk after stroke remains unclear.

Methods

We analyzed data from 917 patients with a self-reported history of stroke from the National Health and Nutrition Examination Survey (NHANES) 2007-2018. The total magnesium intake was calculated by summing the magnesium intake from dietary and dietary supplements, and then adjusting for total energy intake according to the nutrient density method. Mortality status was determined using public-use linked mortality files from 2019. Cox regression model and restricted cubic splines were used to explore the relationship between magnesium intake and all-cause mortality.

Results

The average total magnesium intake across all patients was 251.0 (184.5-336.5) mg/d, and 321 (70.2%) males and 339 (73.7%) females had insufficient magnesium intake. During a median follow-up period of 5.3 years, 277 deaths occurred. After fully adjusting for confounding factors, total magnesium intake levels were inversely associated with all-cause mortality risk (HR per 1-mg/(100 kcal*d) increase, 0.97; 95% CI, 0.94-1.00; p = 0.017). Participants with the highest quartile of total magnesium intake (≥ 18.5 mg/(100 kcal*d)) had a 40% reduction in all-cause mortality risk compared to those with the lowest quartile (≤ 12.0 mg/(100 kcal*d)) (HR, 0.60; 95% CI, 0.38-0.94; p = 0.024). Stratified analyses showed that this inverse association was statistically significant in those who were older, female, without hypertension, and had smoking, normal renal function, and adequate energy intake. Dietary magnesium intake alone might be not related to all-cause mortality.

Conclusions

Stroke survivors who consumed adequate amounts of magnesium from diet and supplements had a lower risk of all-cause mortality.

Abstract via Europe PMC. Copyright remains with the authors or publisher (CC BY).

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