Article: A systematic review of vitamin D status in southern European countries
European journal of nutrition. 2018 Sept., v. 57, no. 6
2018
Abstract: PURPOSE: Despite an acknowledged dearth of data on serum 25-hydroxyvitamin D (25(OH)D) concentrations from Southern European countries, inter-country comparison is hampered by inconsistent data reporting. The purpose of the current study was to conduct a ...
| Abstract | PURPOSE: Despite an acknowledged dearth of data on serum 25-hydroxyvitamin D (25(OH)D) concentrations from Southern European countries, inter-country comparison is hampered by inconsistent data reporting. The purpose of the current study was to conduct a systematic literature review of available data on serum 25(OH)D concentrations and estimate vitamin D status in Southern European and Eastern Mediterranean countries, both at a population level and within key population subgroups, stratified by age, sex, season and country. METHODS: A systematic review of the literature was conducted to identify and retrieve scientific articles reporting data on serum 25(OH)D concentration and/or vitamin D status following standard procedures. RESULTS: Data were extracted from 107 studies, stratified by sex and age group, representing 630,093 individuals. More than one-third of the studies reported mean 25(OH)D concentrations below 50 nmol/L and ~ 10% reported mean serum 25(OH)D concentrations below 25 nmol/L. Overall, females, neonates/ infants and adolescents had the higher prevalence of poor vitamin D status. As expected, there was considerable variability between studies. Specifically, mean 25(OH)D ranged from 6.0 (in Italian centenarians) to 158 nmol/L (in elderly Turkish men); the prevalence of serum 25(OH)D < 50 nmol/L ranged from 6.8 to 97.9% (in Italian neonates). CONCLUSIONS: Contrary to expectations, there was a high prevalence of low vitamin D status in the Southern Europe and the Eastern Mediterranean regions, despite abundant sunshine. These data further emphasize the need for strategies, such as fortification of foods with vitamin D and/or vitamin D supplementation, which will be tailored to the needs of specific population groups with higher risk of insufficiency or deficiency, to efficiently tackle the pandemic of hypovitaminosis D in Europe. |
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| Keywords | adolescents ; blood serum ; elderly ; females ; foods ; men ; neonates ; nutrition risk assessment ; pandemic ; solar radiation ; systematic review ; vitamin D ; vitamin D deficiency ; vitamin status ; Europe ; Mediterranean region ; Southern European region |
| Language | English |
| Dates of publication | 2018-09 |
| Size | p. 2001-2036. |
| Publishing place | Springer Berlin Heidelberg |
| Document type | Article |
| Note | Review |
| ZDB-ID | 1466536-0 |
| ISSN | 1436-6215 ; 1436-6207 |
| ISSN (online) | 1436-6215 |
| ISSN | 1436-6207 |
| DOI | 10.1007/s00394-017-1564-2 |
| Database | NAL-Catalogue (AGRICOLA) |
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