The role of data mining in health care has become the subject matter of wide and varied research activities [Kaur H. et.al. 2006]. Extraction of useful information from health care data offers a lot of challenges in terms of storage, dissemination, privacy and security of patient data. While the privacy issue is more of a legal and ethical issue rather than technological issue, data mining offers broader communitybased gains that enable and improve healthcare forecasting, analysis, and visualisation [Payton F.C., 2003]. Guided use of technologies like database systems, data mining and knowledge management can contribute a lot to decision support systems in health care.

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