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Funnel plot showing stroke admissions against national average

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Funnel plot showing stroke admissions against national average
Funnel plot of re-admissions following stroke, for large acute or multi-service NHS Trusts in England. The funnel plot does not rank the data and it takes into account the increased variability of the smaller units.
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Source:
David Spiegelhalter, Medical Research Council Biostatistics Unit
http://www.erpho.org.uk/Download/Public/6990/1/INPHO%204%20Quantifying%20performance.pdf
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  • Confidence intervals can be created in a range of standard data applications such as Excel.
  • Funnel plots can be created in a range of standard data applications such as Excel There is help on creating funnel-plots in Excel.