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hcup-us.ahrq.gov/reports/statbriefs/sb217-Burn-Hospital-Stays-ED-Visits-2013.pdf
January 01, 2013 - Burn-related inpatients stays were more likely to have originated in the ED than were non-burn-
related … The most common procedures associated with burn-related inpatients stays and ED visits were identified … ) Inpatient Sample (NIS) is based on data from community hospitals, which are 
defined as short-term, … status 
Within the HCUP NIS, discharge status reflects the disposition of the patient at discharge from … HCUPnet generates statistics using data from HCUP's National (Nationwide) Inpatient 
Sample (NIS), the
                                     
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hcup-us.ahrq.gov/tech_assist/sampledesign/508_compliance/index508_2018.jsp
January 01, 2018 - HCUP Supplemental Files 
 NIS-Trend Weights Files 
 NIS Hospital Ownership Files 
 NIS 1993-2002 Discharge-Level … Sample Unit : The Sample Unit is the level at which we sample within each strata, such as at the discharge … stratified random sample of discharges is systematically drawn from a list of discharges sorted on discharge … The SID provides data on the emergency department visits that resulted in an inpatient admission. … Uncomplicated births, complicated births, all other pediatric hospital stays 
 
 
 Sample Unit 
 Discharge-level
                                     
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hcup-us.ahrq.gov/db/state/siddist/siddist_filecompmn.jsp
November 01, 2016 - HCUP Supplemental Files 
 NIS-Trend Weights Files 
 NIS Hospital Ownership Files 
 NIS 1993-2002 Discharge-Level … files were constructed from hospital discharge files received from the Minnesota Hospital Association … Types of Facilities Included in the Files Provided to HCUP by the Partner 
 
		MHA collects inpatient … Exclusion of Records During HCUP Data Processing 
 
			Records with a discharge disposition of "still … a patient" and "admitted as an inpatient" were excluded from the HCUP Minnesota inpatient data.
                                     
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hcup-us.ahrq.gov/db/state/siddist/siddist_filecompwv.jsp
August 01, 2006 - HCUP Supplemental Files 
 NIS-Trend Weights Files 
 NIS Hospital Ownership Files 
 NIS 1993-2002 Discharge-Level … files were constructed from inpatient discharge files received from the West Virginia Health Care Authority … Exclusion of Records During HCUP Data Processing 
 
			Records with a discharge disposition of "still … a patient" and "admitted as an inpatient to this hospital" were excluded from the HCUP West Virginia … inpatient data.
                                     
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hcup-us.ahrq.gov/db/state/siddist/siddist_filecompma.jsp
August 01, 2006 - HCUP Supplemental Files 
 NIS-Trend Weights Files 
 NIS Hospital Ownership Files 
 NIS 1993-2002 Discharge-Level … Types of Facilities Included in the Files Provided to HCUP by the Partner 
 
		Massachusetts supplied discharge … abstract data for inpatient stays from general acute care hospitals in Massachusetts. … Exclusion of Records During HCUP Data Processing 
 
			Records with a discharge disposition of "still … a patient" and "admitted as an inpatient" were excluded from the HCUP Massachusetts inpatient data.
                                     
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hcup-us.ahrq.gov/news/exhibit_booth/hcup_90_min_pres.jsp
December 01, 2022 - Includes multiyear inpatient and outpatient data based on hospital billing records. … All States that participate in HCUP provide us with inpatient data. … by State and data type (inpatient, emergency department, and ambulatory surgery & services combined) … Inpatient databases
							 
 Discharge abstracts for patients admitted for an inpatient stay … Databases (SID)
					 
 Inpatient discharge data (including those admissions that started in the ED
                                     
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hcup-us.ahrq.gov/reports/statbriefs/sb235-Inpatient-Stays-Age-Payer-Trends.pdf
December 01, 2016 - This Healthcare Cost and Utilization Project (HCUP) Statistical Brief 
presents data on hospital inpatient … Association 
between the unemployment rate and inpatient cost per discharge by payer in the United 
States … the Bureau of the Census.7 
 
Definitions  
 
Unit of analysis 
The unit of analysis is the hospital discharge … Sample  
The National (Nationwide) Inpatient Sample (NIS) is based on data from community hospitals, … Trends in Hospital Inpatients Stays by Age and 
Payer, 2000–2015. HCUP Statistical Brief #235.
                                     
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hcup-us.ahrq.gov/reports/statbriefs/sb313-prevalence-burden-HAIs-2016-2021.pdf
January 01, 2021 - In 2015, 1 in 31 hospital 
inpatients had an HAI at any given time.2 HAIs include, but are not limited … Data Source 
This Statistical Brief uses data from the 2016 through 2021 HCUP State Inpatient Databases … the discharge disposition indicates that 
the patient died at the hospital. … • Denominator of inpatient stays with non-missing, valid discharge disposition with HAIs for the same … given 
year, MDC, and COVID-19 status with any hospital discharge status.
                                     
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hcup-us.ahrq.gov/db/state/siddist/siddist_filecompnv.jsp
August 01, 2006 - HCUP Supplemental Files 
 NIS-Trend Weights Files 
 NIS Hospital Ownership Files 
 NIS 1993-2002 Discharge-Level … SID File Composition - Nevada 
 
   
 
 SID Notes 
 Source Files 
 
		The HCUP Nevada inpatient files … were constructed from hospital discharge files received from the University of Nevada, Las Vegas (UNLV … Exclusion of Records During HCUP Data Processing 
 
			During HCUP processing, records with a discharge … disposition of "still a patient" and "admitted as an inpatient" were excluded from the HCUP Nevada inpatient
                                     
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hcup-us.ahrq.gov/db/vars/ndx/nisnote.jsp
September 01, 2008 - Reports & Publications 
 
 
 Data Visualizations 
 
 
 Data Query Tools 
 
 
 Home 
 
 
 About … NIS Description of Data Elements 
 
   
 
 
 
 NDX - Number of ICD-9-CM diagnoses on this discharge … A maximum of 15 diagnoses has been retained on a NIS inpatient record. … If an inpatient record from these states had more than 15 non-missing diagnoses, diagnoses in positions … of diagnoses available on the inpatient record, caution needs to be taken when using NDX to loop through
                                     
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hcup-us.ahrq.gov/reports/statbriefs/sb219-Opioid-Hospital-Stays-ED-Visits-by-State.pdf
October 31, 2016 - Additionally, Maine 
was added to the list of States reported with inpatient data. … Sample  
The National (Nationwide) Inpatient Sample (NIS) is based on data from community hospitals, … Unit of analysis 
The unit of analysis for inpatient data is the hospital discharge (i.e., the hospital … About the SID  
 
The HCUP State Inpatient Databases (SID) are hospital inpatient databases from data … The SID contain the universe of the inpatient discharge abstracts in the 
participating HCUP States,
                                     
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hcup-us.ahrq.gov/reports/methods/ComorbiditySoftwareDocumentationFinal.pdf
September 30, 2004 - The second download program is the 
analysis program that assigns an indicator to each inpatient record … administrative data. … Analysis Program 
Creation of Comorbidity Variables 
The analysis program assigns to the inpatient records … • Input: SAS inpatient data (CORE) conforming to HCUP coding 
conventions (described above), and SAS … • Output: SAS data set (ANALYSIS) containing inpatient records with their 
comorbidity indicators
                                     
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hcup-us.ahrq.gov/db/vars/discwt/nassnote.jsp
August 01, 2019 - Reports & Publications 
 
 
 Data Visualizations 
 
 
 Data Query Tools 
 
 
 Home 
 
 
 About … Reports Archive 
 
 
 
 
 
 
 
 DATA VISUALIZATIONS 
 
 
 
 
 
 DATA QUERY TOOLS … weight on the HCUP nationwide databases - Nationwide Inpatient Sample (NIS), Nationwide Emergency Department … NEDS), Nationwide Readmissions Database (NRD), Nationwide Ambulatory Surgery Sample (NASS), and Kids' Inpatient … Prior to 1998, the discharge weight was named DISCWT_U.
                                     
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hcup-us.ahrq.gov/reports/statbriefs/sb7.pdf
May 01, 2006 - f all uninsured inpatients 
etween 18 and 44 years 
, compared with one-third 
privately insured and … Inpatient 
Sample (NIS). … Discharge status 
Discharge status indicates the disposition of the patient at discharge from the hospital … About the NIS 
 
The HCUP Nationwide Inpatient Sample (NIS) is a nationwide database of hospital inpatient … organizations—such as State data 
organizations, hospital associations, private data organizations,
                                     
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hcup-us.ahrq.gov/db/nation/nis/DataElements_NIS_2000_HOSPITAL.pdf
January 01, 2000 - of data elements 
across all states and years of HCUP data from 1988 to the current 
data year. … General Notes 
DISCWT and DISCWTcharge are discharge-level weights. … General Notes 
DISCWT and DISCWTcharge are discharge-level weights. … Elements 27
YEAR - Calendar year 
General Notes 
The discharge year (YEAR) is always coded. … In the 1988-1997 HCUP databases, 
YEAR is two-digits (e.g., if the discharge year is 1990, then YEAR
                                     
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hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompsc.jsp
March 01, 2007 - HCUP Supplemental Files 
 NIS-Trend Weights Files 
 NIS Hospital Ownership Files 
 NIS 1993-2002 Discharge-Level … The facility is not listed in the AHA database, but the facility provides inpatient discharge data to … The facility is not listed in the AHA database, but the facility provides inpatient discharge data to … Exclusion of Records During HCUP Processing 
 Beginning with 2016 data, records with a discharge disposition … Beginning in 2010, records with a designation of "admitted as an inpatient" are retained in the SASD,
                                     
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hcup-us.ahrq.gov/reports/factsandfigures/2008/section5_TOC.jsp
January 01, 2008 - Reports & Publications 
 
 
 Data Visualizations 
 
 
 Data Query Tools 
 
 
 Home 
 
 
 About … HCUP Supplemental Files 
 NIS-Trend Weights Files 
 NIS Hospital Ownership Files 
 NIS 1993-2002 Discharge-Level … Reports Archive 
 
 
 
 
 
 
 
 DATA VISUALIZATIONS 
 
 
 
 
 
 DATA QUERY TOOLS … From 1997 to 2008, the MHSA discharge rate for adults 65 years and older has fallen appreciably—from … (All-listed diagnoses include all diagnoses listed on the discharge record.)
                                     
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hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompny.jsp
August 01, 2006 - elements such as primary expected payer (PAY1_X, PAY1) and discharge disposition (DISP_X, DISPUB04, … The facility is not listed in the AHA database, but the facility provides inpatient discharge data to … The facility is not listed in the AHA database, but the facility provides inpatient discharge data to … Exclusion of Records During HCUP Processing 
 Beginning with 2016 data, records with a discharge disposition … Beginning in 2010, records with a designation of "admitted as an inpatient" are retained in the SASD,
                                     
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hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecomput.jsp
August 01, 2006 - HCUP Supplemental Files 
 NIS-Trend Weights Files 
 NIS Hospital Ownership Files 
 NIS 1993-2002 Discharge-Level … The facility is not listed in the AHA database, but the facility provides inpatient discharge data to … The facility is not listed in the AHA database, but the facility provides inpatient discharge data to … Exclusion of Records During HCUP Processing 
 Beginning with 2016 data, records with a discharge disposition … Beginning in 2010, records with a designation of "admitted as an inpatient" are retained in the SASD,
                                     
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hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompks.jsp
October 01, 2018 - HCUP Supplemental Files 
 NIS-Trend Weights Files 
 NIS Hospital Ownership Files 
 NIS 1993-2002 Discharge-Level … The facility is not listed in the AHA database, but the facility provides inpatient discharge data to … The facility is not listed in the AHA database, but the facility provides inpatient discharge data to … Exclusion of Records During HCUP Processing 
 Beginning with 2016 data, records with a discharge disposition … Beginning in 2010, records with a designation of "admitted as an inpatient" are retained in the SASD,