期刊
NUTRIENTS
卷 13, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/nu13020546
关键词
children; adolescents; folate; cobalamin; body mass index; socioeconomic status; reference values; population-based
资金
- European Union
- European Regional Development Fund
- Saxonian Ministry of Science and Arts, Free State of Saxony, Germany
This study proposes age- and sex-specific percentiles for serum cobalamin and folate and analyzes the impact of sex, age, BMI, and SES on their concentrations in healthy children and adolescents. Folate concentrations decrease with age while cobalamin peaks between three and seven years of age. Female sex is associated with higher vitamin levels in older age groups.
This study proposes age- and sex-specific percentiles for serum cobalamin and folate, and analyzes the effects of sex, age, body mass index (BMI), and socioeconomic status (SES) on cobalamin and folate concentrations in healthy children and adolescents. In total, 4478 serum samples provided by healthy participants (2 months-18.0 years) in the LIFE (Leipzig Research Centre for Civilization Diseases) Child population-based cohort study between 2011 and 2015 were analyzed by electrochemiluminescence immunoassay (ECLIA). Continuous age-and sex-related percentiles (2.5th, 10th, 50th, 90th, 97.5th) were estimated, applying Cole's LMS method. In both sexes, folate concentrations decreased continuously with age, whereas cobalamin concentration peaked between three and seven years of age and declined thereafter. Female sex was associated with higher concentrations of both vitamins in 13- to 18-year-olds and with higher folate levels in one- to five-year-olds. BMI was inversely correlated with concentrations of both vitamins, whilst SES positively affected folate but not cobalamin concentrations. To conclude, in the assessment of cobalamin and folate status, the age- and sex-dependent dynamic of the respective serum concentrations must be considered. While BMI is a determinant of both vitamin concentrations, SES is only associated with folate concentrations.
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