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Determination of reference intervals for serum magnesium
1Clinical Chemistry Department, King's Mill Hospital, Sutton-in-Ashfield, Nottinghamshire, U.K.
Clinical Chemistry
|May 1, 1990
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.
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.
- 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.