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Fig. 5 | BMC Medical Informatics and Decision Making

Fig. 5

From: Grand Duchy of Luxembourg: a case study of a national master patient index in production since five years

Fig. 5

Evolution and reconciliation of identity profiles: analysis through the years (2014–2018). a) Evolution of identity profiles during the last 5 years. The graphical representation depicts the evolution of the total amount of identity profiles between 2014 and 2018. At the latest update (31 December 2018); the national MPI counts a total of 2.418.336 identity profiles. Data refers to the 31 December of each year. b) Identity reconciliation quantification. The bar chart quantifies the amounts of the different types of identity reconciliations. Blue bars illustrate the total amount of identity reconciliations. Orange bars depict the transversal identity reconciliations, meaning the identity profiles that have been retrieved by applications belonging to the platform. Gray bars illustrate the longitudinal identity consumptions by applications external to the platform. In order to perform a study about identities locally reconciliated over the years, the CCSS identification domain (reference domain) was excluded from the bar chart analysis. c) For each year (2015 to 2018), the pie chart depicts, in percentages, the evolution of transversal (internal application, in green) and longitudinal (external applications, in blue) identity reconciliations. Overall, an increase of the longitudinal identity reconciliations is observed

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