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Résultats de la recherche - 48 results

Federated causal inference based on real-world observational data sources: application to a SARS-CoV-2 vaccine effectiveness assessmentAbstractIntroductionMethodsResultsConclusions

individuals based on confounders identified in the causal model and a survival analysis within the matched population. Results The conceptual and instrumental phase of the proposed methodological framework was ...

Time series modelling for wastewater-based epidemiology of COVID-19: A nationwide study in 40 wastewater treatment plants of Belgium, February 2021 to June 2022

confounders and autocorrelation. Methods: This nationwide WBE study includes data from 40 wastewater treatment plants (WWTP s) in Belgium (02/2021–06/2022). We applied ARIMA-based modelling to assess the effect ...

Potential impact fractions of body mass index reductions on the non-communicable disease burden in Belgium using G-computation

to calculate the potential impact fractions of four BMI reduction scenarios on diabetes prevalence. The logistic regression model included several confounders related to socio-economic factors, ...

Interim 2022/23 influenza vaccine effectiveness: six European studies, October 2022 to January 2023.

(sub)type-specific VE was estimated for each study using logistic regression adjusted for potential confounders.ResultsThere were 20,477 influenza cases recruited across the six studies, of which 16,589 (81%) were ...

Homologous versus heterologous prime-boost COVID-19 vaccination: impact on clinical severity of Omicron among hospitalized COVID-19 patients in Belgium

systems and administrative sources were leveraged to estimate a causal effect. A Directed Acyclic Graph was formalized to identify confounding factors. The target population consisted of adult COVID-19 ...

Daily allergy burden and heart rate characteristics in adults with allergic rhinitis based on a wearable telemonitoring system

rate characteristics were estimated using linear mixed effects distributed lag models with a random intercept for individuals and adjusted for potential confounders. Results Analyses included 2497 ...

Daily heart rate characteristics, allergy symptom severity and mood in adults with allergic rhinitis

hours/day). Associations between heart rate characteristics and allergy symptom severity or mood (lag 0-2) were estimated using linear mixed effects regressions, adjusted for potential confounders with a random ...

Evaluating methodological approaches to assess the severity of infection with SARS-CoV-2 variants: scoping review and applications on Belgian COVID-19 data.

methods, (ii) indications of the presence of selection bias and (iii) how important confounding variables are fluctuating over time. CONCLUSIONS: When estimating the unbiased marginal effect of SARS-CoV-2 ...

chromatographic fingerprinting for the detection of herbal adulteration and herbal fraud in plant food supplements

not contain the plant or herb declared on the packaging. This can be either due to falsification or fraud, or confounding. (b) adulteration, with the distinction between chemical adulteration and herbal ...

Severity of infection with the SARS-CoV-2 B.1.1.7 lineage among hospitalized COVID-19 patients in Belgium.

the mean ICU occupancy rate during the patient’s hospital stay. Other variables identified as confounders in a Directed Acyclic Graph (DAG) were adjusted for using regression analysis. Sensitivity ...

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