Zoekresultaten - 16 results
Federated causal inference based on real-world observational data sources: application to a SARS-CoV-2 vaccine effectiveness assessment.
missing values, matching of exposed to unexposed individuals based on confounders identified in the causal model and a survival analysis within the matched population. RESULTS: The conceptual and ...
Factors influencing SARS-CoV-2 infection rate in Belgian nursing homes’ residents during the first wave of COVID-19 pandemic
Cross-sectional study was conducted between April 8-May 15, 2020. Data collected included demographics, group category (i.e. staff or resident), symptom status and test result. We retrieved additional data: number ...
Classification of post COVID-19 condition symptoms: a longitudinal study in the Belgian population
set of self-reported PCC symptoms. Results Half of the participants reported PCC 3 months after infection (47%). The most frequent symptoms were fatigue (21%), headache (11%) and memory problems (10%). ...
Evaluating methodological approaches to assess the severity of infection with SARS-CoV-2 variants: scoping review and applications on Belgian COVID-19 data.
syndrome coronavirus 2 (SARS-CoV-2) variants may result in altered virulence characteristics. Assessing the disease severity caused by newly emerging variants is essential to estimate their impact on public ...
Severity of infection with the SARS-CoV-2 B.1.1.7 lineage among hospitalized COVID-19 patients in Belgium.
analyses were performed to assess the influence of selection bias, vaccination rollout, and unmeasured confounding. RESULTS: We observed no difference between the exposed and unexposed group in severe ...
COVID-19 contact tracing in Belgium: main indicators and performance, January- September 2021.
health tools in the control of coronavirus disease 2019 (COVID-19). A centralized contact tracing system was developed in Belgium in 2020. We aim to evaluate the performance and describe the results ...
Pre-vaccination SARS-CoV-2 seroprevalence among staff and residents of nursing homes in Flanders (Belgium) in fall 2020
Flanders, Belgium. Sociodemographic and medical data [including coronavirus disease 2019 (COVID-19) symptoms and results of RT- PCR tests] were retrieved using questionnaires. The overall seroprevalence was ...
Unravelling data for rapid evidence-based response to COVID-19: a summary of the unCoVer protocol.
related to the access and use of dissimilar RWD, as well as the results generated by the pooled analyses. Dissemination will include training and educational activities, scientific publications and ...
Strategy to Develop and Evaluate a Multiplex RT-ddPCR in Response to SARS-CoV-2 Genomic Evolution.
and reliable diagnostic testing to prevent and control the viral transmission. However, inaccurate results may occur due to false negatives (FN) caused by polymorphisms or point mutations related to the ...
Surveillance of COVID-19 mortality in Belgium, epidemiology and methodology during 1st and 2nd wave (March 2020- 14 February 2021)
classification, type of place of death, type of place of residence (e.g. living in a NH), postal code of the place of death and residence. Continuous improvements as regards the data collection resulted in ...