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  • Title: [Urinary magnesium and its relationship to calcium in recurrent stone-formers and controls (author's transl)].
    Author: Leskovar P, Hartung R, Siebert A, Wellnhofer E.
    Journal: Urologe A; 1980 Jul; 19(4):214-9. PubMed ID: 7414766.
    Abstract:
    Over a period of 4--6 weeks, urine samples were collected three times daily in a group of 16 recurrent stone-formers and in a control group of 11 healthy persons and the urinary concentrations of magnesium, calcium, ionized calcium and creatinine were determined. The Mg-concentrations were distinctly lower in the group of recurrent stone-formers than in the group of healthy controls. The differences were clearly present also in the ratio Ca/Mg, but were diminished in the Mg/creatinine ratio. The Ca2+/Mg-ratio was significantly raised in the group of recurrent stone-formers (p < 0.01) because of the significantly increased Ca2+-concentration and the diminished Mg-concentration in the group of stone-patients. The correlation between the Ca-resp. Ca2+-concentration and the Mg-concentration was in both groups, in the patient and control group, high (r about 0.7).
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