SASD File Composition

SASD File Composition - Vermont

This section describes the original data files obtained from data organizations in participating states and used to create HCUP databases. Information about the source of the original data files, the types of hospitals included in those files, the records excluded during HCUP processing (if any), and other pertinent information to understand the composition of these files are presented.

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Source Files

The Vermont Association of Hospitals and Health Systems provides both ambulatory surgery (AS) and emergency department (ED) data in a single file combined with other outpatient services, such as observations stays. Data from freestanding ambulatory surgery centers are not included.

Selection of Records in 2003, Version 1 Files, Only

The standard HCUP criteria are used for assigning records to the 2003 SASD. Both emergency department CPT codes and two-digit revenue codes of "45" are used for identifying records for the SEDD. Only two-digit revenue codes are used because that is all that is available on the source file. The Vermont outpatient records are separated as follows:

38.5% of records are included in the SASD
57.1% of records are placed in the SEDD
3.9% of records are excluded.

The excluded records are for therapeutic and diagnostic procedures that do not fit the screen of surgical procedures.

Additional information is available on the AHRQ Website.
If you have comments, suggestions, and/or questions, please contact hcup@ahrq.gov.

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Internet Citation: HCUP Central Distributor SID Vermont File Composition. Healthcare Cost and Utilization Project (HCUP). March 2007
Agency for Healthcare Research and Quality, Rockville, MD. www.hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompvt.jsp.

Last modified 3/22/07