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Related Experiment Videos

Determination of reference intervals for serum magnesium.

G O Duncanson1, H G Worth

  • 1Clinical Chemistry Department, King's Mill Hospital, Sutton-in-Ashfield, Nottinghamshire, U.K.

Clinical Chemistry
|May 1, 1990
PubMed
Summary

This study establishes a reference interval for magnesium in routine patient samples. Age-related intervals for males and females were determined using parametric analysis after excluding samples with abnormal calcium or alkaline phosphatase levels.

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Area of Science:

  • Clinical Chemistry
  • Biochemistry

Background:

  • Magnesium is an essential mineral crucial for various physiological processes.
  • Accurate reference intervals are vital for diagnosing and managing magnesium-related disorders.

Purpose of the Study:

  • To establish a reliable reference interval for serum magnesium.
  • To determine age- and sex-specific reference intervals for magnesium.

Main Methods:

  • Serum samples from 800 patients undergoing routine analysis were used.
  • A discrete analyzer and dye-binding method were employed for magnesium measurement.
  • Data filtering excluded samples with abnormal calcium and/or alkaline phosphatase levels.

Main Results:

  • A reference interval for magnesium was successfully established.

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  • The magnesium data exhibited a Gaussian distribution, enabling parametric analysis.
  • Age-related reference intervals were determined for both males and females.

    • Conclusions:

    • The study provides validated reference intervals for serum magnesium.
    • Exclusion criteria for calcium and alkaline phosphatase improved magnesium reference interval accuracy.
    • Age- and sex-specific intervals enhance the clinical utility of magnesium testing.