Effects of magnesium citrate, magnesium oxide and magnesium sulfate on arterial stiffness 149 6 Magnesium citrate (n=46) Magnesium oxide (n=46) Magnesium sulfate (n=46) Placebo (n=26) Calcium Mean, mg/day 900 ± 271 947 ± 342 909 ± 384 940 ± 411 Difference vs placebo 41 (-87; 169) 4 (-121; 129) 56 (-71; 184) .. Potassium Mean, mg/day 3040 ± 736 3130 ± 753 3000 ± 700 2951 ± 884 Difference vs placebo 162 (-102; 425) 81 (-178; 340) 99 (-162; 361) .. Values are mean ± SD. Adjusted mean differences (95% CIs) were obtained from linear mixedeffect models with age, sex, baseline value of the outcome of interest, time, intervention, and the interaction time × intervention as fixed effects. * P < 0.05 (two-sided P values for superiority tests and one-sided P values for non-inferiority tests). Supplemental Table 6. Effects of magnesium oxide and magnesium sulfate (vs magnesium citrate) on plasma minerals. Magnesium oxide (n=46) Magnesium sulfate (n=46) Magnesium citrate (n=46) Plasma calcium 2-wk Mean, mmol/L 2.26 ± 0.08 2.27 ± 0.07 2.25 ± 0.08 Difference vs magnesium citrate 0.01 (-0.01; 0.03) 0.00 (-0.02; 0.02) . . 12-wk Mean, mmol/L 2.26 ± 0.09 2.28 ± 0.07 2.25 ± 0.07 Difference vs magnesium citrate 0.00 (-0.02; 0.02) 0.00 (-0.02; 0.03) . . 24-wk Mean, m/s 2.28 ± 0.09 2.28 ± 0.07 2.27 ± 0.06 Difference vs magnesium citrate -0.00 (-0.03; 0.02) -0.02 (-0.04; 0.00) . . Plasma potassium 2-wk Mean, mmol/L 4.2 ± 0.3 4.2 ± 0.3 4.2 ± 0.4 Difference vs magnesium citrate -0.0 (-0.1; 0.1) -0.0 (-0.2; 0.1) . . 12-wk Mean, mmol/L 4.2 ± 0.4 4.2 ± 0.3 4.1 ± 0.3 Difference vs magnesium citrate 0.0 (-0.1; 0.2) 0.0 (-0.1; 0.1) . . 24-wk Mean, mmol/L 4.2 ± 0.3 4.2 ± 0.4 4.2 ± 0.4 Difference vs magnesium citrate -0.0 (-0.1; 0.1) -0.0 (-0.1; 0.1) . . Plasma sodium 2-wk Mean, mmol/L 140.0 ± 1.9 140.4 ± 1.2 140.0 ± 1.7 Difference vs magnesium citrate -0.2 (-0.8; 0.3) 0.1 (-0.5; 0.6) . . Supplemental Table 5. (Continued)
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