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The adjusted column was designed to avoid counting patients that have visited multiple clinics in a PHN catchment more than once. The number in the 'Adjusted' column is based on a 'virtual' patient to provide complete data without counting patients more than once. Patients who have visited more than one clinic in an organisation's catchment will be counted more than once in the organisation column (PHN or other) as their data is included in each upload from the individual clinics.
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o To identify patients that have been uploaded more than once we are using the Statistical Linkage Key (SLK) that is also in use by the Australian Bureau of Statistics (ABS). For a full definition of the key please see here: SLK Definition ABS website This key is created when the extract is collected at the practice level and is encrypted before uploaded to PAT CAT. The SLK provides a way to identify duplicate (or more instances) of patient records, it importantly does not allow the identification of the patient. The SLK is not reversible and is purely used for the described purpose in PAT CAT. All data uploaded to PAT CAT is managed and used by the PHN or other organisation, PEN CS does not have access to or ownership of the data. |
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The 'Adjusted' column will use the most recent visit on record as a starting point for the virtual patient and remove all other instances of patients with more than one visit. Then PAT CAT will find missing/incomplete fields for the patient in the data uploaded from other clinics and attempt to complete the virtual record.
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