National Hospital Discharge Survey, 1992. Public Use Data Tape Documentation

摘要

The material provides documentation for users of the NHDS Public Use Data Tapes.The NHDS is conducted annually by the National Center for Health Statistics (NCHS) and is the principal source of information on inpatient hospital utilization in the United States. Section I describes the survey and includes information on the history and scope of the NHDS; the methodology followed, including data collection and medical coding procedures; population estimates; measurement errors and sampling errors. Section II provides technical details of the tape including number of tracks and record length. Section III provides a detailed description of the contents of each data record, including the coding and location of each data element. Appendix A defines certain terms used in the document; Appendix B list the ICD-9-CM Addenda; Appendix C provides populationestimates to allow the user to calculate rates; and Appendix D providesunweighted and weighted frequencies for selected descriptive variables.