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. 2021 Sep;35(9):e23897.
doi: 10.1002/jcla.23897. Epub 2021 Jul 17.

Age- and sex-specific reference intervals for superoxide dismutase enzyme and several minerals in a healthy adult cohort

Hamideh Ghazizadeh  1   2   3 , Mary Kathryn Bohn  4   5 , Mahdiyeh Yaghooti-Khorasani  2 , Atieh Kamel Khodabandeh  6 , Reza Zare-Feyzabadi  2 , Ameneh Timar  2 , Maryam Mohammadi-Bajgiran  2   3 , Mohammad Reza Oladi  2   3 , Mohadeseh Rohban  2 , Habibollah Esmaily  6 , Gordon A Ferns  7 , Khosrow Adeli  4   5 , Majid Ghayour-Mobarhan  2   3
Affiliations

Age- and sex-specific reference intervals for superoxide dismutase enzyme and several minerals in a healthy adult cohort

Hamideh Ghazizadeh et al. J Clin Lab Anal. 2021 Sep.

Abstract

Introduction: The aim of this study was to establish RIs for clinically important markers including superoxide dismutase (SOD), serum copper, zinc, calcium, magnesium, and phosphate in a cohort of healthy Iranian adults.

Materials: A subsample from MASHAD cohort study was used to assess serum SOD, copper, zinc, calcium, magnesium and phosphate. Serum SOD was measured according to its inhibitory potential of pyrogallol oxidation. Micro- and macro-minerals were measured using flame atomic absorption spectrometry and a BT3000 autoanalyzer, respectively. Sex- and age-specific RIs were then calculated based on CLSI Ep28-A3 guidelines.

Results: Reference value distributions for studied parameters did not demonstrate any age-specific differences that were statistically significant. In addition, sex partitioning was not required for all parameters, apart from serum magnesium, which showed a wider range in females (0.81-1.26 mg/dl) compared with males (0.82-1.23 mg/dl).

Conclusion: The RIs established in this study can be expected to improve mineral assessment and clinical decision-making in the Iranian adult population.

Keywords: macro-mineral; micro-mineral; reference interval; superoxide dismutase.

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Conflict of interest statement

The authors have no conflict of interest to disclose.

Figures

FIGURE 1
FIGURE 1
Scatterplot distributions for serum zinc (A), copper (B), superoxide dismutase (SOD) (C), magnesium (D), phosphorus (E), and calcium (F) in total population. Females and males are shown by pink and blue circles, respectively
See this image and copyright information in PMC

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