Diagnose progressive encephalopathy applying the rough set theory

This paper describes the application of rough sets theory the problem of the deciding on necessity of further tests and the final decisions about progressive encephalopathy in a child. The final decisions requires a series of invasive tests. Hence it is essential to carry out an appropriate preliminary classification. The process of the preliminary classification of patients with the use of the rough sets theory as to reduce unnecessary tests is the topic of this paper. (C) 1997 Elsevier Science Ireland Ltd.