A computer-based system developed using Dbase III Plus and Clipper Summer '87 runs on IBM PC/AT or its compatible was designed to assist in the evaluation of bacterial susceptibility pattern to antibiotic usage. 10,010 bacterial
culture and sensitivity data from District Hospital Sungei Petani for the years 1986 to 1990 were processed by the system to study the susceptibility pattern of the various organisms isolated and then tested for correlation with antibiotic
consumed during the five years.