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  1. hcup-us.ahrq.gov/db/nation/neds/stats/FileSpecifications_NEDS_2010_Hospital.TXT
    January 01, 2010 - Teaching status of hospital NEDS 2010 Hospital 9 NEDS_STRATUM 5 Num Stratum used to sample … universe hospitals in NEDS_STRATUM NEDS 2010 Hospital 12 S_DISC_U 8 Num Number of sample … discharges in NEDS_STRATUM NEDS 2010 Hospital 13 S_HOSP_U 6 Num Number of sample hospitals
  2. hcup-us.ahrq.gov/db/nation/kid/kid_2009_introduction.jsp
    January 01, 2009 - Hospital Sample Design Design Considerations The overall design objective was to select a sample … In some instances, strata were collapsed for sample weight calculations. … summarize the final KID sample. … hospitals, and sample discharges. … "KID Sample Hospitals" lists the hospitals selected for the KID.
  3. hcup-us.ahrq.gov/reports/statbriefs/sb171-Operating-Room-Procedure-Trends.pdf
    September 01, 2013 - data from the Healthcare Cost and Utilization Project (HCUP) 2001 through 2011 Nationwide Inpatient Sample … The NIS is a sample of hospitals and includes all patients from each hospital, regardless of payer. … Database (KID), the Nationwide Emergency Department Sample (NEDS), the State Inpatient Databases (SID … Final Report on Calculating Nationwide Inpatient Sample (NIS) Variances, 2001. … About the NIS About HCUPnet For More Information Introduction to the HCUP Nationwide Inpatient Sample
  4. hcup-us.ahrq.gov/db/nation/nis/Overview_of_NIS_1999.pdf
    January 01, 1999 - Agency for Healthcare Research and Quality OVERVIEW OF THE HCUP NATIONWIDE INPATIENT SAMPLE … ............................................... 3 INTRODUCTION TO THE HCUP NATIONWIDE INPATIENT SAMPLE … ............................................ 18 DATA USE AGREEMENT FOR THE NATIONWIDE INPATIENT SAMPLE … HCUP Nationwide Inpatient Sample (NIS) ABSTRACT The Nationwide Inpatient Sample (NIS) is part … • Patient-level hospital discharge abstract data for 100 percent of discharges from a sample of
  5. hcup-us.ahrq.gov/reports/statbriefs/sb180-Hospitalizations-United-States-2012.pdf
    January 01, 2012 - Historical data were drawn from the 2003 and 2008 Nationwide Inpatient Sample (NIS). … The redesign incorporates two critical changes: • Revisions to the sample design—the NIS is now … a sample of discharge records from all HCUP- participating hospitals, rather than a sample of hospitals … ) Inpatient Sample (NIS) is based on data from community hospitals, which are defined as short-term, … Overview of the National (Nationwide) Inpatient Sample (NIS).
  6. hcup-us.ahrq.gov/datainnovations/clinicaldata/AppendixO_LabDataVariablesandRelevantRanges.pdf
    January 01, 2019 - umol/L 14682-9 Creat SerPl-sCnc 12 Glucose Serum / Plasma mg/dL 2345-7 Glucose SerPl-mCnc Random Sample … 12A Glucose Serum / Plasma mmol/L 14749-6 Glucose SerPl-sCnc Random Sample 12B Glucose Serum / Plasma … Glucose p fast SerPl-sCnc Fasting Value 12D Glucose Whole Blood mg/dL 2339-0 Glucose Bld-mCnc Random Sample … 12E Glucose Whole Blood mmol/L 15074-8 Glucose Bld-sCnc Random Sample 12F Glucose Capillary Blood … mg/dL 32016-8 Glucose BldC-mCnc Random Sample 12G Glucose Capillary Blood mg/dL 1556-0 Glucose p fast
  7. hcup-us.ahrq.gov/reports/statbriefs/sb177-Hospitalizations-for-Opioid-Overuse.pdf
    August 01, 2014 - Databases (SID) that was designed to provide national estimates using weighted records from a sample … on hospitals, is a separate file from the 2012 National Inpatient Sample (NIS), which uses a sampling … The NIS is a sample of hospitals and includes all patients from each hospital, regardless of payer. … Final Report on Calculating Nationwide Inpatient Sample (NIS) Variances, 2001. … Using the HCUP Nationwide Inpatient Sample to Estimate Trends. (Updated for 1988–2004).
  8. hcup-us.ahrq.gov/reports/statbriefs/sb219-Opioid-Hospital-Stays-ED-Visits-by-State.pdf
    October 31, 2016 - (NIS) and the HCUP Nationwide Emergency Department Sample (NEDS) ■ Overall, the population rate … (NIS), 2005–2014 Nationwide Emergency Department Sample (NEDS), 2009–2014 State Inpatient Databases … The National (Nationwide) Inpatient Sample (NIS) is based on data from community hospitals, which … Overview of the National (Nationwide) Inpatient Sample (NIS). … Overview of the Nationwide Emergency Department Sample (NEDS).
  9. hcup-us.ahrq.gov/db/nation/nis/Overview_of_NIS_1998.pdf
    January 01, 1998 - Agency for Healthcare Research and Quality OVERVIEW OF THE HCUP NATIONWIDE INPATIENT SAMPLE … ............................................... 3 INTRODUCTION TO THE HCUP NATIONWIDE INPATIENT SAMPLE … ............................................ 16 DATA USE AGREEMENT FOR THE NATIONWIDE INPATIENT SAMPLE … HCUP Nationwide Inpatient Sample (NIS) ABSTRACT The Nationwide Inpatient Sample (NIS) is part … The NIS is designed to approximate a 20-percent sample of U.S. community hospitals, defined by the AHA
  10. hcup-us.ahrq.gov/db/nation/neds/pgms/StataLoad_NEDS_2007v2_Hospital.Do
    April 12, 2010 - "Teaching status of hospital" label var neds_str "Stratum used to sample … "Number of AHA universe hospitals in NEDS_STRATUM" label var s_disc_u "Number of sample … discharges in NEDS_STRATUM" label var s_hosp_u "Number of sample hospitals in NEDS_STRATUM
  11. hcup-us.ahrq.gov/db/nation/neds/pgms/StataLoad_NEDS_2006_Hospital.Do
    January 01, 2006 - "Teaching status of hospital" label var neds_str "Stratum used to sample … "Number of AHA universe hospitals in NEDS_STRATUM" label var s_disc_u "Number of sample … discharges in NEDS_STRATUM" label var s_hosp_u "Number of sample hospitals in NEDS_STRATUM
  12. hcup-us.ahrq.gov/db/nation/neds/pgms/StataLoad_NEDS_2006v2_Hospital.Do
    April 12, 2010 - "Teaching status of hospital" label var neds_str "Stratum used to sample … "Number of AHA universe hospitals in NEDS_STRATUM" label var s_disc_u "Number of sample … discharges in NEDS_STRATUM" label var s_hosp_u "Number of sample hospitals in NEDS_STRATUM
  13. hcup-us.ahrq.gov/news/newsletters/newsltrQ4_2020.jsp
    January 01, 2020 - News and Announcements Now Available: 2018 HCUP National Inpatient Sample (NIS) and Nationwide Emergency … Department Sample (NEDS) In November, the Agency for Healthcare Research and Quality (AHRQ) released … the 2018 National Inpatient Sample (NIS) and Nationwide Emergency Department Sample (NEDS) . … Coming Soon: The 2018 Nationwide Readmissions Database (NRD) and Nationwide Ambulatory Surgery Sample … December 10, 2020 An In-Depth Exploration of the HCUP Nationwide Emergency Department Sample (NEDS)
  14. hcup-us.ahrq.gov/db/nation/kid/KID_Sources_and_Restrictions_2000.pdf
    January 01, 2000 - GA GHA: An Association of Hospitals & Health Systems Confidentiality of Hospitals The sample … ethnicity HI Hawaii Health Information Corporation Confidentiality of Hospitals The sample … restrictions MO Hospital Industry Data Institute Confidentiality of Hospitals The sample … SC South Carolina State Budget & Control Board Confidentiality of Hospitals The sample of … years old) TN Tennessee Hospital Association Confidentiality of Hospitals The sample
  15. hcup-us.ahrq.gov/db/nation/nis/tools/stats/RECLWT1993.txt
    October 13, 2005 - state-specific weights NIS 1993 WT_V2 29 S_DISC_S 228 233 Num H:Num. sample … discharges in STRAT_ST NIS 1993 WT_V2 30 S_DISC_U 234 239 Num H:Num. sample … discharges in STRATUM NIS 1993 WT_V2 31 S_HOSP_S 240 243 Num H:Num. sample … hospitals in STRAT_ST NIS 1993 WT_V2 32 S_HOSP_U 244 247 Num H:Num. sample
  16. hcup-us.ahrq.gov/db/nation/nis/NISChangesBeginningDataYr2016.pdf
    September 01, 2022 - NISChangesBeginningDataYr2016 HEALTHCARE COST AND UTILIZATION PROJECT (HCUP) NATIONAL INPATIENT SAMPLE … Healthcare Cost and Utilization Project (HCUP) National Inpatient Sample: Change in Structure Due to … provides an overview of how the Healthcare Cost and Utilization Project (HCUP) National Inpatient Sample … 2015, refer to the document 2015 Healthcare Cost and Utilization Project (HCUP) National Inpatient Sample … of Diseases, Tenth Revision, Clinical Modification/Procedure Coding System; NIS, National Inpatient Sample
  17. hcup-us.ahrq.gov/db/nation/kid/KID_2009_Introduction.pdf
    January 01, 2009 - Different methods are used for calculating variances under the two sample theories. … In some instances, strata were collapsed for sample weight calculations. … tables and figures that summarize the final KID sample. … hospitals, and sample discharges. …  “KID Sample Hospitals” lists the hospitals selected for the KID.
  18. hcup-us.ahrq.gov/db/vars/s_hosp_s/nisnote.jsp
    September 01, 2008 - QUERY TOOLS NIS Description of Data Elements   S_HOSP_S - Number of sample … variable is missing for zero-weight hospitals (see the File Composition for the Nationwide Inpatient Sample …   Uniform Values Variable Description Value Value Description S_HOSP_S Number of sample … hospitals in STRAT_ST nn Number of sample hospitals in STRAT_ST   Top     State
  19. hcup-us.ahrq.gov/db/vars/s_disc_s/nisnote.jsp
    September 01, 2008 - QUERY TOOLS NIS Description of Data Elements   S_DISC_S - Number of sample … variable is missing for zero-weight hospitals (see the File Composition for the Nationwide Inpatient Sample …   Uniform Values Variable Description Value Value Description S_DISC_S Number of sample … discharges in STRAT_ST 6(n) Number of sample discharges in STRAT_ST   Top    
  20. hcup-us.ahrq.gov/reports/ataglance/HCUPanalysisCdiff2022.pdf
    December 08, 2022 - data from the HCUP State Inpatient Databases (SID) for 2011–2015 and/or the HCUP National Inpatient Sample … The NIS is a 20-percent stratified sample of discharges from the SID, weighted to produce national and … State Inpatient Databases (SID) nationally weighted analysis file, 2011–2015 and National Inpatient Sample … Sampled from the SID, the National Inpatient Sample (NIS) is designed to produce national and regional … Starting in data year 2012, the NIS is a 20-percent stratified sample of discharges from U.S. community

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