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Article Publish Status: FREE
Abstract Title:

Association Between Serum Vitamin A Levels and Recurrent Respiratory Tract Infections in Children.

Abstract Source:

Front Pediatr. 2021 ;9:756217. Epub 2021 Dec 24. PMID: 35004539

Abstract Author(s):

Xiaoyan Wang, Xingming Li, Chunhua Jin, Xinyuan Bai, Xinran Qi, Jianhong Wang, Lili Zhang, Na Li, Na Jin, Wenhong Song, Haitao Gao, Baojun Gao, Yue Zhang, Lin Wang

Article Affiliation:

Xiaoyan Wang

Abstract:

To evaluate the association between serum vitamin A levels and the prevalence of recurrent respiratory tract infections (RRTIs) in children and adolescents and to provide evidence that would help decrease the prevalence of respiratory tract infections (RTIs) in children. This cross-sectional study included 8034 children and adolescents in Beijing aged 6 months to 17 years. RRTI and RTI symptoms were diagnosed according to the. Multivariate logistic regression models were used to evaluate the association between serum vitamin A levels and RRTIs after adjusting for potential confounders. Among the included children, 721 (8.97%) were diagnosed with vitamin A deficiency, whereas 3,073 (38.25%) were diagnosed with subclinical vitamin A deficiency. Only 28.8% (208/721) of children with vitamin A deficiency and 53.1% (1,631/3,073) of children with subclinical vitamin A deficiency had no RRTI and RTI symptoms, respectively. Compared with children with normal vitamin A levels, those with vitamin A deficiency and subclinical vitamin A deficiency had a greater risk for RRTIs, with an odds ratio (OR) of 6.924 [95% confidence interval (CI): 5.433-8.824] and 2.140 (95% CI: 1.825-2.510), respectively]. Vitamin A levels were also positively associated with RTI symptoms, with those having vitamin A deficiency and subclinical vitamin A deficiency showing an OR of 1.126 (95% CI: 0.773-1.640) and 1.216 (95% CI: 1.036-1.427), respectively. The present cross-sectional study found that low serum vitamin A levels were significantly associated with RRTI or RTI prevalence in children and adolescents.

Study Type : Human Study

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