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Fig. 1 | BMC Medical Informatics and Decision Making

Fig. 1

From: Linkage of Australian national registry data using a statistical linkage key

Fig. 1

Results of matching using 4 different methods. The green box represents the ‘gold standard’ match, where procedure dates were matched to admission dates. The bottom row shows matches between both patient details and their ICU admission immediately subsequent to surgical procedure (and therefore represents a reduced number of matches compared to patient details only). MRN Medical record number

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