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- Bauermeister, S, et al.
(författare)
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The Dementias Platform UK (DPUK) Data Portal
- 2020
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Ingår i: European journal of epidemiology. - : Springer Science and Business Media LLC. - 1573-7284 .- 0393-2990. ; 35:6, s. 601-611
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Tidskriftsartikel (refereegranskat)abstract
- The Dementias Platform UK Data Portal is a data repository facilitating access to data for 3 370 929 individuals in 42 cohorts. The Data Portal is an end-to-end data management solution providing a secure, fully auditable, remote access environment for the analysis of cohort data. All projects utilising the data are by default collaborations with the cohort research teams generating the data. The Data Portal uses UK Secure eResearch Platform infrastructure to provide three core utilities: data discovery, access, and analysis. These are delivered using a 7 layered architecture comprising: data ingestion, data curation, platform interoperability, data discovery, access brokerage, data analysis and knowledge preservation. Automated, streamlined, and standardised procedures reduce the administrative burden for all stakeholders, particularly for requests involving multiple independent datasets, where a single request may be forwarded to multiple data controllers. Researchers are provided with their own secure ‘lab’ using VMware which is accessed using two factor authentication. Over the last 2 years, 160 project proposals involving 579 individual cohort data access requests were received. These were received from 268 applicants spanning 72 institutions (56 academic, 13 commercial, 3 government) in 16 countries with 84 requests involving multiple cohorts. Projects are varied including multi-modal, machine learning, and Mendelian randomisation analyses. Data access is usually free at point of use although a small number of cohorts require a data access fee.
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| 2. |
- O'Brien, Z, et al.
(författare)
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Higher versus Lower Continuous Renal Replacement Therapy Intensity in Critically ill Patients with Liver Dysfunction
- 2018
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Ingår i: Blood purification. - : S. Karger AG. - 1421-9735 .- 0253-5068. ; 45:1-3, s. 36-43
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Tidskriftsartikel (refereegranskat)abstract
- <b><i>Aims:</i></b> To study the association between higher versus lower continuous renal replacement therapy (CRRT) intensity and mortality in critically ill patients with combined acute kidney injury and liver dysfunction. <b><i>Methods:</i></b> Post-hoc analysis of patients with liver dysfunction (Sequential Organ Failure Assessment liver score ≥2 or diagnosis of liver failure/transplant) included in the Randomized Evaluation of Normal versus Augmented Level renal replacement therapy (RENAL) trial. <b><i>Results:</i></b> Of 444 patients, 210 (47.3%) were randomized to higher intensity (effluent flow 40 mL/kg/h) and 234 (52.7%) to lower intensity (effluent flow 25 mL/kg/h) therapy. Overall, 79 and 86% of prescribed effluent flow was delivered in the higher-intensity and lower-intensity groups, respectively (<i>p</i> < 0.001). In total, 113 (54.1%) and 120 (51.3%) patients died in each group. On multivariable Cox regression analysis, we found no independent association between higher CRRT intensity and mortality (HR 0.93, 95% CI 0.70-1.24; <i>p</i> = 0.642). <b><i>Conclusions:</i></b> In RENAL patients with liver dysfunction, higher CRRT intensity was not associated with reduced mortality.
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| 4. |
- O Reese, Matthew, et al.
(författare)
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Consensus stability testing protocols for organic photovoltaic materials and devices
- 2011
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Ingår i: SOLAR ENERGY MATERIALS AND SOLAR CELLS. - : Elsevier Science B.V., Amsterdam.. - 0927-0248. ; 95:5, s. 1253-1267
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Tidskriftsartikel (refereegranskat)abstract
- Procedures for testing organic solar cell devices and modules with respect to stability and operational lifetime are described. The descriptions represent a consensus of the discussion and conclusions reached during the first 3 years of the international summit on OPV stability (ISOS). The procedures include directions for shelf life testing, outdoor testing, laboratory weathering testing and thermal cycling testing, as well as guidelines for reporting data. These procedures are not meant to be qualification tests, but rather generally agreed test conditions and practices to allow ready comparison between laboratories and to help improving the reliability of reported values. Failure mechanisms and detailed degradation mechanisms are not covered in this report.
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