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Clinical quality registries have the potential to drive improvements in the appropriateness of care

The effectiveness of clinical quality registries (registries) to monitor and benchmark patient outcomes is well established.13 There is also compelling evidence for the ability of registry information to drive continuous improvements in patient outcomes and adherence to guideline-recommended care.25 Systematic and ongoing collection of standardised data on medical and surgical interventions allows the identification and analysis of clinical practice variation and its effect on patient outcomes. Registry data has credibility with clinicians, stimulating increased use of evidence-based clinical management, decreased variation in care and improved patient outcomes.2,4

Capturing a high proportion of a registry’s eligible patient population is critically important in minimising the selection bias associated with incomplete capture. A low capture rate renders the pool of results unrepresentative and ungeneralisable, thus weakening the power of a registry to inform policy determinations.3 Omissions of data within a single clinical unit create the potential for “manipulation” of included and excluded data, thus weakening the credibility…