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Lower Plasma Magnesium, Measured by Nuclear Magnetic Resonance Spectroscopy, is Associated with Increased Risk of Developing Type 2 Diabetes Mellitus in Women: Results from a Dutch Prospective Cohort Study

Schutten, J. C., Gomes-Neto, A. W., Navis, G., Gansevoort, R. T., Dullaart, R. P. E., Kootstra-Ros, J. E., Danel, R. M., Goorman, F., Gans, R. O. B., de Borst, M. H., Jeyarajah, E. J., Shalaurova, I., Otvos, J. D., Connelly, M. A. & Bakker, S. J. L., Feb-2019, In : Journal of Clinical Medicine. 8, 2, 16 p., 169.

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BACKGROUND: Low circulating magnesium (Mg) is associated with an increased risk of developing type 2 diabetes mellitus (T2DM). We aimed to study the performance of a nuclear magnetic resonance (NMR)-based assay that quantifies ionized Mg in EDTA plasma samples and prospectively investigate the association of Mg with the risk of T2DM.

METHODS: The analytic performance of an NMR-based assay for measuring plasma Mg was evaluated. We studied 5747 subjects free of T2DM at baseline in the Prevention of Renal and Vascular End-stage Disease (PREVEND) study.

RESULTS: Passing⁻Bablok regression analysis, comparing NMR-measured ionized Mg with total Mg measured by the Roche colorimetric assay, produced a correlation of r = 0.90, with a slope of 1.08 (95% CI: 1.00⁻1.13) and an intercept of 0.02 (95% CI: -0.02⁻0.08). During a median follow-up period of 11.2 (IQR: 7.7⁻12.0) years, 289 (5.0%) participants developed T2DM. The association of NMR-measured ionized Mg with T2DM risk was modified by sex (Pinteraction = 0.007). In women, we found an inverse association between Mg and the risk of developing T2DM, independent of adjustment for potential confounders (HR: 1.80; 95% CI: 1.20⁻2.70). In men, we found no association between Mg and the risk of developing T2DM (HR: 0.90; 95%: 0.67⁻1.21).

CONCLUSION: Lower NMR-measured plasma ionized Mg was independently associated with a higher risk of developing T2DM in women, but not in men.

Original languageEnglish
Article number169
Number of pages16
JournalJournal of Clinical Medicine
Volume8
Issue number2
Publication statusPublished - Feb-2019

    Keywords

  • magnesium, diabetes, nuclear magnetic resonance spectroscopy, SERUM MAGNESIUM, ENDOTHELIAL DYSFUNCTION, INSULIN-RESISTANCE, DIETARY MAGNESIUM, SODIUM-INTAKE, METAANALYSIS, POPULATION, SEX, MORTALITY, EXCRETION

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