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#Funnelplots: a cheap, graphically insightful and rigorous tool for early detection of #COVID19 variants. What are funnel plots? Their link with statistical quality control. Their previous uses in health care. rdcu.be/c3LNc @SpringerNature @SciReports 1/N
#Funnelplots: a cheap, graphically insightful and rigorous tool for early detection of #COVID19 variants. What are funnel plots? Their link with statistical quality control. Their previous uses in health care. rdcu.be/c3LNc @SpringerNature @SciReports 1/N
The introduction of funnel plots in healthcare surveillance dates back to the early 2000s when in UK the Shipman case and the Bristol Heart scandal triggered the development of statistical methods for monitoring healthcare institutions. 2/N
In the first decade of the 2000's several contributions supported performance monitoring by control charts, a tool borrowed from Statistical Quality Control (developed by W.A. Shewart in the 1920's). 3/N
