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Using longitudinal targeted maximum likelihood estimation in complex settings with dynamic interventions

Artículos Científicos

Longitudinal targeted maximum likelihood estimation (LTMLE) has very rarely been used to estimate dynamic treatment effects in the context of time‐dependent confounding affected by prior treatment when faced with long follow‐up times, multiple time‐varying confounders, and complex associational relationships simultaneously. Reasons for this include the potential computational burden, technical challenges, restricted modeling options for long…

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Vitamin D-Related Genes, Blood Vitamin D Levels and Colorectal Cancer Risk in Western European Populations

Artículos Científicos

Higher circulating 25-hydroxyvitamin D levels (25(OH)D) have been found to be associated with lower risk for colorectal cancer (CRC) in prospective studies. Whether this association is modified by genetic variation in genes related to vitamin D metabolism and action has not been well studied in humans. We investigated 1307 functional and tagging single-nucleotide polymorphisms (SNPs;…

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Pre-diagnostic plasma bile acid levels and colon cancer risk: A prospective study

Artículos Científicos

Background Bile acids have been proposed to promote colon carcinogenesis. However, there are limited prospective data on circulating bile acid levels and colon cancer risk in humans. Methods Associations between pre-diagnostic plasma levels of 17 primary, secondary and tertiary bile acid metabolites (conjugated and unconjugated) and colon cancer risk were evaluated in a nested case-control…

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Estimated Substitution of Tea or Coffee for Sugar-Sweetened Beverages Was Associated with Lower Type 2 Diabetes Incidence in Case–Cohort Analysis across 8 European Countries in the EPIC-InterAct Study

Artículos Científicos

Introduction Beverage consumption is a modifiable risk factor for type 2 diabetes (T2D), but there is insufficient evidence to inform the suitability of substituting 1 type of beverage for another. Objective The aim of this study was to estimate the risk of T2D when consumption of sugar-sweetened beverages (SSBs) was replaced with consumption of fruit…

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Intimate Partner Violence During Pregnancy and Risk of Fetal and Neonatal Death: A Meta-Analysis with Socioeconomic Context Indicators

Artículos Científicos

Objective To summarize the results from observational studies examining the risk of fetal and neonatal death (perinatal death) as a function of the experience of Intimate Partner Violence (IPV) during pregnancy and examine the influence of socioeconomic context indicators on this association. Data sources Bibliographic searches were conducted in PubMed, EMBASE, CINAHL, and LILACS until…

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Optimal start in dialysis shows increased survival in patients with chronic kidney disease

Artículos Científicos

Objective To compare the survival among patients with chronic kidney disease who had optimal starts of renal replacement therapy, dialysis or hemodialysis, with patients who had suboptimal starts. Methods A retrospective cohort consisting of >18 year-old patients who started renal replacement therapy, using peritoneal dialysis or hemodialysis, in any public hospital or associated center of…

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Biomonitoring of common organophosphate metabolites in hair and urine of children from an agricultural community

Artículos Científicos

Levels of dialkylphosphate (DAP) metabolites were measured in hair and urine of children that lived close to intensively farmed areas of Almeria (Southeast Spain). The levels were used as proxies for exposure of these children to organophosphate pesticides (OPs). Determinants of exposure to DAPs were also examined. Urine and hair samples were collected from 222…

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Polyphenol intake and differentiated thyroid cancer risk in the European Prospective Investigation into Cancer and Nutrition (EPIC) Cohort

Artículos Científicos

Polyphenols are bioactive compounds with several anticarcinogenic activities; however, human data regarding associations with thyroid cancer (TC) is still negligible. Our aim was to evaluate the association between intakes of total, classes and subclasses of polyphenols and risk of differentiated TC and its main subtypes, papillary and follicular, in a European population.The European Prospective Investigation…

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2015 Beers Criteria and STOPP v2 for detecting potentially inappropriate medication in community-dwelling older people: prevalence, profile, and risk factors

Artículos Científicos

Purpose To comparatively assess the prevalence rates of potentially inappropriate medications (PIMs) obtained by the former and latest versions of American Geriatrics Society Beers Criteria (AGS BC) and screening tool of older person’s potentially inappropriate prescriptions (STOPP), and analyze the factors of influence on PIM. Methods Cross-sectional study including 582 community-dwelling older adults over the…

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Evaluation of the Biases in the Studies that Assess the Effects of the Great Recession on Health. A Systematic Review

Artículos Científicos

Background: Our main objective was to evaluate the fundamental biases detected in studies assessing the effects the Great Recession had on health for the case of Spain. As secondary objectives we presented methods to control these biases and to discuss the results of the studies in question if they had controlled for them. Methods: We…