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Outlier data

Please note that 2022 outlier funnel plots will be available from 12th October 2023.

In 2022, both unit and network level outlier analysis are conducted without shrinkage applied. Prior to 2020, the proportions displayed in the unit funnel plot were shrinkage estimates. For more information about the outlier methodology, please see the NNAP Methodology and Statistical Analysis Plan, available at: https://www.rcpch.ac.uk/nnap-data-flow-methodology











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