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  1. hcup-us.ahrq.gov/tech_assist/centdist/HCUP-State-Data-Application-Kit-2021-08-18-v2.pdf
    January 01, 2021 - All HCUP Databases and select Supplemental Files may be purchased through the HCUP Central Distributor. Please visit www.hcup-us.ahrq.gov/tech_assist/centdist.jsp August 18, 2021 SID/SASD/SEDD APPLICATION KIT http://www.hcup-us.ahrq.gov/tech_assist/centdist.jsp HCUP SID/SASD/SED…
  2. hcup-us.ahrq.gov/tech_assist/centdist/HCUP-State-Data-Application-Kit-2021-09-15.pdf
    January 01, 2021 - All HCUP Databases and select Supplemental Files may be purchased through the HCUP Central Distributor. Please visit www.hcup-us.ahrq.gov/tech_assist/centdist.jsp September 15, 2021 SID/SASD/SEDD APPLICATION KIT http://www.hcup-us.ahrq.gov/tech_assist/centdist.jsp HCUP SID/SASD/…
  3. hcup-us.ahrq.gov/datainnovations/raceethnicitytoolkit/or22.jsp
    July 01, 2014 - classified) plus unmatched AI/AN cases National Center for Health Statistics bridged-race population estimates … Limitations Small numbers, unstable rate estimates Linkage data source does not represent entire … &S) The correction of AI/AN race resulted in significantly higher average annual incidence rate estimates
  4. hcup-us.ahrq.gov/news/exhibit_booth/neds_brochure.jsp
    May 01, 2018 - The NEDS produces national estimates about emergency department visits across the country. … populations A Comprehensive, User-Friendly Resource The NEDS provides national estimates
  5. hcup-us.ahrq.gov/reports/natstats/his96/clinclas.htm
    September 01, 1999 - National estimates are provided for all discharges by principal diagnosis and by principal procedure … National estimates are provided for all discharges by principal diagnosis and by principal procedure … The NIS is useful for developing national estimates, for analyzing national trends, and for research … Whittle, Steinberg, Anderson et al. ( 1991 ) reported that estimates of cancer incidence rates based … These discharges were weighted to obtain estimates that are representative of hospital inpatient discharges
  6. hcup-us.ahrq.gov/reports/statbriefs/sb100.pdf
    November 01, 2010 - All differences between estimates noted in the text are statistically significant at the 0.05 level … Data Source The estimates in this Statistical Brief are based upon data from the HCUP 2008 Nationwide … Population estimates were obtained from the US Census Bureau, Population Division, Table 2. … Annual Estimates of the Resident Population by Sex and Selected Age Groups for the United States: April … 1, 2000 to July 1, 2009 (NC-EST2009-02) as well as Claritas 2 Population Estimates, 2008.
  7. hcup-us.ahrq.gov/reports/statbriefs/sb78.pdf
    August 01, 2009 - Differences between estimates noted in the text are statistically significant at the 0.05 level or better … detailed description of HCUP, more information on the design of the NIS, and methods to calculate estimates … Denominator data for rates were based on Claritas Population Estimates, 2007 8 9 Table 3. … Denominator data for rates were based on Claritas Population Estimates, 1997 and 2007 Figure 1. … Denominator data for rates were based on Claritas Population Estimates, 2007 10 Figure 3.
  8. hcup-us.ahrq.gov/reports/statbriefs/sb255-Traumatic-Brain-Injury-Hospitalizations-ED-Visits-2017.pdf
    January 01, 2017 - Census Bureau13 estimates of the 2017 U.S. population in the denominator. … The NIS is intended for national estimates only; no State-level estimates can be produced. … The NEDS is intended for national estimates only; no State-level estimates can be produced. … The NRD is intended for national estimates only; no regional, State-, or hospital-specific estimates … Census Bureau12F estimates of the 2017 U.S. population in the denominator. Individual patie...
  9. hcup-us.ahrq.gov/reports/factsandfigures/2007/figures/2007_5_7.jsp
    January 01, 2007 - Note: For Medicare, perinatal (newborns), statistics based on estimates with a relative standard error
  10. Title: (pdf file)

    hcup-us.ahrq.gov/datainnovations/HIAbstractFinal.pdf
    September 29, 2013 - data with hospitalization-related laboratory results, an enhancement that has been shown to improve estimates
  11. hcup-us.ahrq.gov/db/nation/nis/weights/SASload_NIS_2000_HOSPITAL_TrendWt.SAS
    January 01, 2000 - TRENDWTcharge LENGTH=8 LABEL="Weight to discharges in the universe for total charge estimates
  12. hcup-us.ahrq.gov/reports/natstats/commdx/commdx.htm
    October 01, 1999 - The NIS is useful for developing national estimates, for analyzing national trends, and for research … Whittle, Steinberg, Anderson et al. ( 1991 ) reported that estimates of cancer incidence rates based … These discharges were weighted to obtain estimates that are representative of hospital inpatient discharges … number of cases in the NIS was multiplied by hospital-specific discharge weights to derive national estimates … SUDAAN can handle most survey designs with stratification, providing estimates of measures of central
  13. hcup-us.ahrq.gov/reports/statbriefs/sb73.pdf
    May 01, 2009 - All differences between estimates noted in the text are statistically significant at the 0.05 level … Denominator data for rates were based on Claritas Population Estimates, 2006. … Denominator data for rates were based on Claritas Population Estimates, 2006. … Denominator data for rates were based on Claritas Population Estimates, 2006. … Denominator data for rates were based on Claritas Population Estimates, 2006.
  14. hcup-us.ahrq.gov/reports/statbriefs/sb235-Inpatient-Stays-Age-Payer-Trends.jsp
    January 01, 2018 - The National Inpatient Sample (NIS) from 2000 to 2015 was used to generate national estimates of inpatient … Data Source The estimates in this Statistical Brief are based upon data from the Healthcare Cost … The NIS is intended for national estimates only; no State-level estimates can be produced. … The 2012 NIS was redesigned to optimize national estimates. … The new sampling strategy is expected to result in more precise estimates than those that resulted from
  15. hcup-us.ahrq.gov/reports/statbriefs/sb137.jsp
    July 01, 2012 - All differences between estimates noted in the text are statistically significant at the .001 level. … Census Bureau, Population Division, Annual Estimates of the Resident Population for the United States … data for rates for patient's residence and community-level income were based on Claritas Population Estimates … Supplemental sources included data on regional population estimates from "Table 1: Annual Estimates of … a detailed description of HCUP, more information on the design of the NIS, and methods to calculate estimates
  16. hcup-us.ahrq.gov/reports/statbriefs/sb172-Conditions-Readmissions-Payer.jsp
    April 01, 2014 - 1,500 3.7 10.6 Total 3,300 100.0 41,300 100.0 13.8 Source: Weighted national estimates … Source: Weighted national estimates from a readmissions analysis file derived from the Agency for Healthcare … 2,062 25.5 15.9 * Clinical Classification Software (CCS) label Source: Weighted national estimates … 433 28.1 12.1 * Clinical Classification Software (CCS) label Source: Weighted national estimates … Weights for national estimates were developed using poststratification on hospital characteristics (Census
  17. hcup-us.ahrq.gov/reports/statbriefs/sb112.jsp
    May 01, 2011 - All differences between estimates noted in the text are statistically significant at the 0.05 level or … Denominator data for rates were based on Annual Estimates of Resident Population for the United States … Utilization Project, Nationwide Emergency Department Sample, 2008 Data Source The estimates … Supplemental source included data on regional population estimates from "Table 1: Annual Estimates of … a detailed description of HCUP, more information on the design of the NIS, and methods to calculate estimates
  18. hcup-us.ahrq.gov/reports/statbriefs/sb206-HIV-Hospital-Stays-Trends.pdf
    November 01, 2015 - National estimates of hospital stays that included an HIV diagnosis, 2006, 2010, and 2013 Characteristic … The NIS is intended for national estimates only; no State-level estimates can be produced. … The 2012 NIS was redesigned to optimize national estimates. … The new sampling strategy is expected to result in more precise estimates than those that resulted from … the previous NIS design by reducing sampling error: for many estimates, confidence intervals under
  19. hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2000_SummaryStats_Hospital.PDF
    January 01, 2000 - Variable / Label N N Miss Minimum Maximum Mean Std Dev DISCWT : Weight to discharges in AHA universe for estimates … charges 994 0 2.34 21.68 5.09 1.40 DISCWTcharge : Weight to discharges in AHA universe for total charge estimates … June 9, 2005 The UNIVARIATE Procedure Variable: DISCWT (Weight to discharges in AHA universe for estimates … June 9, 2005 The UNIVARIATE Procedure Variable: DISCWT (Weight to discharges in AHA universe for estimates … June 9, 2005 The UNIVARIATE Procedure Variable: DISCWT (Weight to discharges in AHA universe for estimates
  20. hcup-us.ahrq.gov/db/nation/neds/2011NEDSErrataNotification022415.pdf
    February 01, 2015 - The following tables include weighted estimates with 95% confidence intervals (CIs) comparing Version …  Table 1 includes weighted national estimates for total ED visits. …  Table 2 includes weighted national estimates of ED admission rates defined as the percentage …  Table 3 includes weighted national estimates of the mortality rate when the patient is treated …  Table 4 includes weighted national estimates for the mortality rate for patients admitted to

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