The Pen CS Clinical Audit Tool (CAT Plus Suite) is an extraction tool that takes a 'snapshot' of your clinical data and allows you to analyse that data. The CAT4 Suite software provides excellent information that you can use to: Improve the management of your business; Identify and target patients who are 'at risk' or have particular needs; Improve clinical data which, in turn, leads to better patient outcomes; Potentially increase practice revenue; Improve your disease and other registers; Improve data quality for accreditation preparation; Contribute to medical research.