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Zoekresultaten - 320 results
Demystifying EQA statistics and reports.
To calculate these scores, EQA providers need to have an assigned value and standard deviation for the sample. Both assigned values and standard deviations can be derived chemically or statistically. ...
Dermal exposure of Belgian florists to insecticide residues
with a combination of GC and LC chromatography and a multi-residue (QuEChERS) method. The PDE values were calculated in accordance with the EFSA Guidance Document 2014. The results show that 53 ...
The Assessment of African Swine Fever Virus Risk to Belgium Early 2014, using the Quick and Semiquantitative Pandora Screening Protocol.
posed by ASF to Belgium early 2014. A set of integrated risk scores was calculated within the Pandora framework. Experts scored the questions and uncertainty levels in the Pandora modules individually, ...
Schmallenberg Virus in Belgium: Estimation of Impact in Cattle and Sheep Herds.
newborn and adult animals were designed and addressed to farmers. As calculated on a basis of farmers’ observations, 4% of calves in group A and 0.5% in group B were reported aborted, stillborn or deformed ...
Matrix-Assisted Laser Desorption Ionization-Time of Flight Mass Spectrometry for Combined Species Identification and Drug Sensitivity Testing in Mycobacteria.
Combined species identification was performed using the Biotyper Mycobacteria Library 4.0. Mycobacterium-specific MBT- ASTRA parameters were derived (calculation window, m/z 5,000 to 13,000, area under the ...
The added value of food frequency questionnaire (FFQ) information to estimate the usual food intake based on repeated 24-hour recalls
calculated for the different percentiles of the usual intake distribution: the modeled usual intake (g/day) (for both SPADE with and without the inclusion of FFQ data on never-consumers) was divided by the ...
Immediate referral to colposcopy versus cytological surveillance for low-grade cervical cytological abnormalities in the absence of HPV test: A systematic review and a meta-analysis of the literature.
default rates during follow-up. Pooled risk ratios (RR) and 95% confidence intervals (CI) were calculated using a random-effect model and with inverse variance weighting. Interstudy heterogeneity was ...
Letter to the editor: New metrics to monitor progress towards global HIV targets: using the estimated number of undiagnosed HIV-infected individuals as denominator.
testing programmes, comparing the yearly number of diagnoses with the number of undiagnosed individuals is likely to provide more sensitive and dynamic information than the diagnosed fraction calculated ...
Polyphosphates and Fulvates Enhance Environmental Stability of PO4-Bearing Colloidal Iron Oxyhydroxides.
stability across treatments; surface charge was calculated with surface complexation models and explained for phytic acid (PA) and hexametaphosphate (HMP) by a partial (1-4 of the 6 PO4 units) adsorption to ...
Cost-effectiveness analysis in melanoma detection: A transition model applied to dermoscopy.
previously constructed to calculate the melanoma burden, was slightly modified to be suitable for CEA s. Two cohorts of patients entered into the model to calculate morbidity, mortality and costs. These ...