Abstract
For many years, obesity and iron deficiency have both been unclear on whether they are related or not. A study was conducted with approximately 13,000 overweight patients and approximately 26,000 non-overweight patients to determine if these two are in fact related by testing of what is called blood iron markers. The overweight patients were found to have lower serum iron concentrations than those who are non-overweight. As a result of this study, it is determined that overweight patients are “significantly associated with iron deficiency”.
The article chosen is entitled “Obesity and Iron Deficiency: A Quantitative Meta-Analysis”. Its purpose is to compare the risks associated with iron deficiencies in both overweight and non-overweight people. The hypothesis in this study is to conclude that overweight people are directly affected by obesity due to lower iron concentrations. People who are obese and have severe iron deficiencies are more susceptible to increased health issues. The theory in this article will present organized evidence that has been tested and also supported by scientific observations.
The variables in this article are what is being measured, and that is hematological iron markers as well as the ratio of iron deficiency that is compared between overweight and non-overweight people. Another factor included is BMI (body mass index) percentage. This is something that can frequently change throughout the completion of the study. As Wang states in the article, “subgroup analyses revealed that the method used to diagnose iron deficiency can have a critical effect on the results of the association test”. Due to the findings of the tests conducted, researchers concluded that obesity is associated with iron deficiency in overweight people.
Reference
Zhao, L., Zhang, X., Shen, Y., Fang, X., Wang, Y., & Wang, F. (2015). Obesity and iron deficiency: a quantitative meta-analysis. Obesity Reviews, 16(12), 1081-1093. doi:10.1111/obr.12323
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