[Work flow of registry in participating facilities and data audit in clinical database].

Clinical database needs quality control and quality assurance of data. Medical staffs of facilities in clinical database need to confirm definitions of data submitted to clinical database and criteria of registered cases, and decide how to entry data before data entry. Especially good communication between surgeons and data managers becomes an important factor of data quality in facilities. Also, we need quality improvement initiatives based on high quality data. Clinical database has to assurance data quality. The indicators of data quality are, for examples, completeness of registration and accuracy of data entry and data quality is evaluated on data verification between data of clinical database and medical records in facilities. From these viewpoints, this article described about work flow of registry for participating facilities and medical staffs.