![]() ![]() On the more familiar linear scale, the same data looks like a hockey stick shooting upwards, which gives a better sense of the overall size of each country’s epidemic. On a log scale, an epidemic looks like a steep diagonal line that flattens towards a horizontal line as its rate of growth slows. By comparing the slopes of two lines, a log scale allows us to compare epidemics at a very early stage with those that are much more advanced, even though they have very different absolute numbers of cases or deaths. Log scales are particularly suited to displaying trends in relative rates of change, like a virus spreading. The vertical axis of our charts are shown using a logarithmic scale, where the same distance on the scale represents multiplying or dividing by the same amount, instead of adding or subtracting the same amount as is the case with a linear scale. The FT is tracking excess mortality - the difference between deaths from all causes during the pandemic and the historic seasonal average - in the handful of countries and municipalities that publish suitably recent data, and has reported on the specific circumstances in Mexico, Russia, South Africa, Turkey and the UK." Logarithmic or linear scales Some countries like France and the UK have even changed which deaths they include during the course of the epidemic.įor either measure, we use a seven-day rolling average to adjust for the impact of administrative delays to reporting new data over weekends. The most notable difference between countries’ Covid mortality figures is whether or not they include deaths outside hospitals, particularly in care homes. ![]() Confirmed case counts depend heavily on the extent of countries’ very different testing regimes, so higher totals may simply reflect more testing.ĭeaths are somewhat more reliable, but remain problematic because countries have different rules for what deaths to include in their official numbers. The center also provides information about IRB approved COVID-19 research studies, links to relevant resources, and contact people to whom you can reach out for help at each stage of research.Comparing the spread of coronavirus in different countries is difficult using the data being released by governments. The COVID-19 Clinical Research Center offers planning resources for investigators conducting COVID-19 research involving participant interaction, data, and stored specimens. Research use of data from most Johns Hopkins Medicine (SOM, JHHS) health and business databases and sources, including the sharing of data with external collaborators or databases, may require review and approval by the JHM Data Trust Council. With IRB approval, data from the PMAP Data Commons can be provisioned into a secure Research Environment for analysis by study teams and data scientists using tools like the Jupyter notebook and PMAP-developed cohort discovery tools. The PMAP platform pulls data from the Epic Medical Record and other data sources into a Data Commons, where the data are integrated together and available in a format that is operable by sophisticated machine learning and natural language processing technologies. Precision Medicine Analytics Platform (PMAP) ![]() The CCDA is staffed with experienced data analysts who will assist you with access to data while also helping you comply with Data Trust privacy and security regulations. The Core for Clinical Research Data Acquisition (CCDA) assists researchers with accessing clinical data for research purposes. CADRE Review approval, or a waiver, is a required component of the IRB application.Ĭore for Clinical Research Data Acquisition (CCDA) Investigators needing access to institutional data for Hopkins patients to conduct COVID-19 research must either come to a convened CADRE Review meeting or request a CADRE Review waiver. ICTR ProgramĬOVID-19 and Data Research Evaluation (CADRE) CommitteeĬADRE moderates access to JHU specific COVID-19 data. Relevant ICTR programs involved with COVID-19 data, and the associated data purview, are listed below. To access COVID-19 data at Johns Hopkins you will need to reach out to the appropriate ICTR program. Access to COVID-19 related patient data at Johns Hopkins University is moderated through the Johns Hopkins Institute for Clinical and Translational Research (ICTR). ![]()
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