Source Files | ||||||||||||
The HCUP New York inpatient files were constructed from the New York State Department of Health's Statewide Planning and Research Cooperative System (SPARCS) Master File. For 1988-1993, New York supplied their Master File which consists of Discharge Data Abstracts (DDAs) matched to Uniform Billing Forms (UBFs) for inpatient stays. New York created the Master File by matching DDAs and UBFs based on Permanent Facility Identifier, Medical Record Number, Admitting Number, Admit Date, and Discharge Date. If the DDA and UBF records matched, the information from the DDA and UBF was included in the Master File. If there was no match, the information from the DDA was included in the Master File. Due to an administrative change in the collection of billing records for 1989, a large percentage of the DDAs could not be matched to a UBF. When there was no match, charge information, which would have come from the UBF, is missing. The match rate improves over time and stabilizes after 1991. The percentage of DDA records that have a matching UBF record in the Master File are as follows:
Beginning in 1994, hospitals submitted discharge records to New York in a new format, using Universal Data Set (UDS) specifications. This format combines the old UBF and DDA data into a single submission record. In these years, New York supplied records for HCUP that contain complete discharge and uniform billing data corresponding to the "matched" records in earlier years. | ||||||||||||
Which Hospitals | ||||||||||||
The New York files contain inpatient discharges from acute care hospitals in the state, excluding long-term care units of short-term hospitals and Federal hospitals. Not all hospitals report a full calendar year of data. Some hospitals close during the year; other hospitals have technical problems that prevent them from reporting a full year. | ||||||||||||
Inclusion of Stays in Special Units | ||||||||||||
The documentation supplied by New York indicates that the data include stays in detoxification (alcohol and drug abuse), alcohol rehabilitation, mental retardation, mental rehabilitation, rehabilitation, alternate level of care, and psychiatric (acute and long term) units within community hospitals. Records for these different types of care cannot be identified from the data elements available in the HCUP New York inpatient data. | ||||||||||||
Exclusion of Records | ||||||||||||
The following New York records were excluded from the HCUP inpatient database:
Beginning in 2008, New York suppressed the identifier for the hospital (DSHOSPID) on records with an indication of induced abortion. These records are retained in the HCUP files with the DSHOSPID set to "BLNK". Analyses that group discharges by type of hospital or are limited to community, non-rehabilitation hospitals will exclude these discharges. New York defines induced abortion records as follows:
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Internet Citation: HCUP Central Distributor SID New York File Composition. Healthcare Cost and Utilization Project (HCUP). August 2006. Agency for Healthcare Research and Quality, Rockville, MD. www.hcup-us.ahrq.gov/db/state/siddist/siddist_filecompny.jsp. |
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Last modified 8/11/06 |