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Title: White blood cell counts as risk markers of developing metabolic syndrome and its components in the Predimed study.
Author: Babio, Nancy
Ibarrola Jurado, Núria
Bulló, Mònica
Martínez-González, Miguel Ángel, 1957-
Wärnberg, Julia
Salaverria Frigola, Itziar
Ortega Calvo, Manuel
Estruch Riba, Ramon
Serra Majem, Lluís
Covas Planells, María Isabel
Sorlí, José V.
Salas Salvadó, Jordi
PREDIMED Study Investigators
Keywords: Síndrome metabòlica
Cuina mediterrània
Malalties cardiovasculars
Metabolic syndrome
Mediterranean cooking
Cardiovascular diseases
Issue Date: 19-Mar-2013
Publisher: Public Library of Science (PLoS)
Abstract: Background The Metabolic Syndrome (MetS) is a cluster of metabolic abnormalities that includes hyperglucemia, hypertension, dyslipidemia and central obesity, conferring an increased risk of cardiovascular disease. The white blood cell (WBC) count has been proposed as a marker for predicting cardiovascular risk. However, few prospective studies have evaluated the relationship between WBC subtypes and risk of MetS. Methods Participants were recruited from seven PREDIMED study centers. Both a baseline cross-sectional (n = 4,377) and a prospective assessment (n = 1,637) were performed. Participants with MetS at baseline were excluded from the longitudinal analysis. The median follow-up was 3.9 years. Anthropometric measurements, blood pressure, fasting glucose, lipid profile and WBC counts were assessed at baseline and yearly during the follow-up. Participants were categorized by baseline WBC and its subtype count quartiles. Adjusted logistic regression models were fitted to assess the risk of MetS and its components. Results Of the 4,377 participants, 62.6% had MetS at baseline. Compared to the participants in the lowest baseline sex-adjusted quartile of WBC counts, those in the upper quartile showed an increased risk of having MetS (OR, 2.47; 95%CI, 2.03-2.99; P-trend<0.001). This association was also observed for all WBC subtypes, except for basophils. Compared to participants in the lowest quartile, those in the top quartile of leukocyte, neutrophil and lymphocyte count had an increased risk of MetS incidence. Leukocyte and neutrophil count were found to be strongly associated with the MetS components hypertriglyceridemia and low HDL-cholesterol. Likewise, lymphocyte counts were found to be associated with the incidence of the MetS components low HDL-cholesterol and high fasting glucose. An increase in the total WBC during the follow-up was also associated with an increased risk of MetS. Conclusions Total WBC counts, and some subtypes, were positively associated with MetS as well as hypertriglyceridemia, low HDL-cholesterol and high fasting glucose, all components of MetS.
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It is part of: PLoS One, 2013, vol. 8, num. 3, p. e58354
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ISSN: 1932-6203
Appears in Collections:Articles publicats en revistes (IDIBAPS: Institut d'investigacions Biomèdiques August Pi i Sunyer)
Articles publicats en revistes (Medicina)

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