Studies on preparation of the database system for clinical records of atomic bomb survivors

Construction of the database system aimed at multipurpose application of data on clinical medicine was studied through the preparation of database system for clinical records of atomic bomb survivors. The present database includes the data about 110,000 atomic bomb survivors in Nagasaki City. This study detailed: (1) Analysis of errors occurring in a period from generation of data in the clinical field to input into the database, and discovery of a highly precise, effective method of input. (2) Development of a multipurpose program for uniform processing of data on physical examinations from many organizations. (3) Development of a record linkage method for voluminous files which are essential in the construction of a large-scale medical information system. (4) A database model suitable for clinical research and a method for designing a segment suitable for physical examination data. (Chiba, N.)