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Blanco Rodriguez, MiriamAuthorGavela Perez, TeresaAuthorSoriano Guillen, LeandroAuthorDominguez Garrido, Maria NievesAuthorRovira AAuthor

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Elevada prevalencia de déficit de vitamina D entre los niños y adolescentes obesos españoles

Publicated to:ANALES DE PEDIATRIA. 80 (4): 229-235 - 2014-01-01 80(4), DOI: 10.1016/j.anpedi.2013.06.032

Authors: Gutiérrez-Medina S; Gavela-Pérez T; Domínguez-Garrido M; Blanco-Rodríguez M; Garcés C; Rovira A; Soriano-Guillén L

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Abstract

Introduction Vitamin D deficiency has been associated with extra-skeletal outcomes such as, insulin resistance, type 2 diabetes, and cardiovascular disease. The aim of this study is to determine the prevalence of vitamin D deficiency among obese children and adolescents in Spain and to analyze the relationship between 25-OH-vitamin D (25-OH-D) levels and markers of abnormal glucose metabolism. Patients and methods A cross-sectional study was conducted in which the clinical and biochemical data were recorded for 120 obese and 50 non-overweight children in Pediatric Clinics from January 2011 to January 2013. Results The mean 25-OH-D levels among obese children was 19.5 ng/ml and among non-overweight children was 31.6 ng/ml. 58,3% of obese subjects, and 10% of non-overweight subjects had vitamin D deficiency. Serum 25-OH-D levels were lower in winter. Higher HOMA-SDS (3.8 versus 2.4), and triglycerides (97 versus 81 mg/dl) were found in vitamin D deficient obese children compared to obese children without vitamin D deficiency. A negative correlation was found between 25-OH-D levels and HOMA in absolute values (r=-0.2; P=.04) that was not maintained when HOMA-SDS was analyzed. Conclusions There is a high prevalence of vitamin D deficiency among obese children with a multifactorial etiology. A lower 25-OH-D level could be a risk factor for developing insulin resistance and type 2 diabetes in obese population. © 2013 Asociacin Espaola de Pediatra. Publicado por Elsevier Espaa, S.L. Todos los derechosreservados.

Keywords

insulin resistanceinsulinorresistenciaobesidadobesityvitamin dInsulin resistanceObesityVitamin dVitamina d

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal ANALES DE PEDIATRIA, and although the journal is classified in the quartile Q4 (Agencia WoS (JCR)), its regional focus and specialization in Pediatrics, give it significant recognition in a specific niche of scientific knowledge at an international level.

From a relative perspective, and based on the normalized impact indicator calculated from World Citations from Scopus Elsevier, it yields a value for the Field-Weighted Citation Impact from the Scopus agency: 1.94, which indicates that, compared to works in the same discipline and in the same year of publication, it ranks as a work cited above average. (source consulted: ESI Nov 14, 2024)

This information is reinforced by other indicators of the same type, which, although dynamic over time and dependent on the set of average global citations at the time of their calculation, consistently position the work at some point among the top 50% most cited in its field:

  • Field Citation Ratio (FCR) from Dimensions: 2.32 (source consulted: Dimensions Jun 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2025-06-07, the following number of citations:

  • WoS: 16
  • Scopus: 20
  • Europe PMC: 4
  • OpenCitations: 13

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-06-07:

  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 87 (PlumX).