PMID:
Clin Mol Allergy. 2020 ;18:7. Epub 2020 May 4. PMID: 32390767
Abstract Title:
Association of 25-hydroxy vitamin D with asthma and its severity in children: a case-control study.
Abstract:
Background: Universally, asthma has high prevalence rates and this has led numerous studies done into its causes. Despite extensive study on asthma the association between 25-Hydroxy Vitamin D (25(OH) vit. D) and asthma remains uncertain. In this study, the associations of 25(OH) vit. D levels with asthma and with the severity of asthma were evaluated.Methods: This was a case-control study performed in 2015 in the city of Isfahan. In this study 520 children were studied. Children with asthma were classified as cases and children who were referred for reasons other than respiratory problems and asthma were considered as controls. Serum 25 (OH) vit. D levels were then examined and compared between the two groups. Differences among groups were stated to be statistically significant when-values
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