Abstract
Background
The significance of vitamin D deficiency in the incidence of bone fractures in children has been under investigated. Here, we aimed to associate serum 25-hydroxyvitamin D levels and fractures in Saudi children.
Materials and methods
This cross-sectional study was conducted in 1022 Saudi children without fracture history [476 boys (age 14.56 ± 1.81, BMI 22.38 ± 5.81) and 546 girls (age 13.57 ± 1.67, BMI 22.24 ± 4.94)] and 234 Saudi children with a history of fracture [148 boys (age 14.25 ± 1.39, BMI 22.66 ± 6.08) and 86 girls (age 13.76 ± 1.35, BMI 21.33 ± 1.35)]. Anthropometric and fasting serum biochemical data were collected. Serum 25-hydroxyvitamin D level was assessed using electrochemiluminescence.
Results
Mean circulating 25-hydroxyvitamin (25OH) D level in subjects with a history of fracture was significantly lower in both boys (p < 0.01) and girls (p < 0.01) than those without, however both groups had low mean 25(OH)D levels. Furthermore, age was positively associated with 25-hydroxyvitamin D in boys (p < 0.05) and negatively in girls (p < 0.05) with a history of fracture.
Conclusion
In conclusion, vitamin D levels were significantly lower in children with a history of bone fractures in both boys and girls than those without such a history; even in the absence of fracture history, vitamin D status correction is warranted in the general Saudi pediatric population.
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Acknowledgments
The authors thank Mr. Malak Nawaz Khan Khattak and Mr. Danish Syed Hussain in the statistical analyses of the data.
Funding
This study was funded by the Deanship of Scientific Research at King Saud University, Riyadh, Saudi Arabia for its funding [Prolific Research Group Program (PRG-1436-15)].
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Nasser M. Al-Daghri conceptualized and designed the study, and approved the final manuscript as submitted. Shakilur Rahman and Shaun Sabico contributed in the preparation and revision of the manuscript, carried out the initial analyses, reviewed and revised the manuscript, and approved the final manuscript as submitted. Naji Aljohani, Abdulrahman Al-Ajlan, Omar Al-Attas, and Majed Alokail and George Chrousos edited, critically reviewed, and approved the final version of the manuscript as submitted.
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
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Written informed consent was obtained from parents, as well as a verbal assent for children, prior to inclusion in the study.
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Al-Daghri, N.M., Aljohani, N., Rahman, S. et al. Serum 25-hydroxyvitamin D status among Saudi children with and without a history of fracture. J Endocrinol Invest 39, 1125–1130 (2016). https://doi.org/10.1007/s40618-016-0496-7
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DOI: https://doi.org/10.1007/s40618-016-0496-7