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  1. hcup-us.ahrq.gov/reports/methods/2011_06.pdf
    January 01, 2011 - Claritas uses intra-census methods to estimate household and demographic statistics for geographic areas … To obtain the estimate of S and its standard error, SES, we followed instructions in the NIS Variance … of S*, the weighted sum in the numerator using the revised weights, and the estimate SES*, the standard … stdgN , ˆ = Standard inpatient population for cell g (Estimate of year 2000 total inpatient population … Claritas uses intra-census methods to estimate household and demographic statistics for geographic areas
  2. hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2006v2.jsp
    November 01, 2015 - We estimate that a researcher needs 75 to 100 GB of space to work comfortably with the NEDS files. … This is the case because the population is defined at that point in time and because the estimate is … In each iteration, the outcome of interest is predicted for one-tenth of the observations by an estimate
  3. hcup-us.ahrq.gov/db/nation/neds/NEDS_2006v2_IntroductionRevised.pdf
    November 01, 2015 - We estimate that a researcher needs 75 to 100 GB of space to work comfortably with the NEDS files. … This is the case because the population is defined at that point in time and because the estimate is … In each iteration, the outcome of interest is predicted for one-tenth of the observations by an estimate
  4. hcup-us.ahrq.gov/db/nation/kid/DataElements_KID_Hospital_2000.pdf
    January 01, 2000 - Microsoft Word - kid_dde_hospnotes_2000.doc HCUP KIDS’ INPATIENT DATABASE 2000 DESCRIPTION OF DATA ELEMENTS HOSPITAL WEIGHTS FILE This document contains cumulative descriptions of data elements across all years of HCUP data from 1988 to the current data year. Not all data el…
  5. hcup-us.ahrq.gov/db/vars/uncbwtcharge/kidnote.jsp
    September 01, 2008 - Healthcare Cost and Utilization Project (HCUP) KID Notes An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQs…
  6. hcup-us.ahrq.gov/reports/methods/2010_06.pdf
    January 01, 2010 - Claritas uses intra-census methods to estimate household and demographic statistics for geographic areas … To obtain the estimate of S and its standard error, SES, we followed instructions in the NIS Variance … of S*, the weighted sum in the numerator using the revised weights, and the estimate SES*, the standard … stdgN , ˆ = Standard inpatient population for cell g (Estimate of year 2000 total inpatient population … Claritas uses intra-census methods to estimate household and demographic statistics for geographic areas
  7. hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2007_MaskedStats_Core.PDF
    January 01, 2007 - 3490008 Pr >= |M| <.0001 Signed Rank S 1.218E13 Pr >= |S| <.0001 Quantiles (Definition 5) Quantile Estimate … 3945182 Pr >= |M| <.0001 Signed Rank S 1.556E13 Pr >= |S| <.0001 Quantiles (Definition 5) Quantile Estimate … 3934902 Pr >= |M| <.0001 Signed Rank S 1.548E13 Pr >= |S| <.0001 Quantiles (Definition 5) Quantile Estimate … 3940474 Pr >= |M| <.0001 Signed Rank S 1.553E13 Pr >= |S| <.0001 Quantiles (Definition 5) Quantile Estimate … Variable: TOTCHG_X (Total charges (as received from source)) Quantiles (Definition 5) Quantile Estimate
  8. hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2009_MaskedStats_Core.PDF
    January 01, 2009 - 3433167 Pr >= |M| <.0001 Signed Rank S 1.179E13 Pr >= |S| <.0001 Quantiles (Definition 5) Quantile Estimate … 3827732 Pr >= |M| <.0001 Signed Rank S 1.465E13 Pr >= |S| <.0001 Quantiles (Definition 5) Quantile Estimate … 3821819 Pr >= |M| <.0001 Signed Rank S 1.461E13 Pr >= |S| <.0001 Quantiles (Definition 5) Quantile Estimate … 3858529 Pr >= |M| <.0001 Signed Rank S 1.489E13 Pr >= |S| <.0001 Quantiles (Definition 5) Quantile Estimate … Variable: TOTCHG_X (Total charges (as received from source)) Quantiles (Definition 5) Quantile Estimate
  9. hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2002_SummaryStats.PDF
    January 01, 2002 - 3428092 Pr >= |M| <.0001 Signed Rank S 1.175E13 Pr >= |S| <.0001 Quantiles (Definition 5) Quantile Estimate … UNIVARIATE Procedure Variable: AGE (Age in years at admission) Quantiles (Definition 5) Quantile Estimate … 3849806 Pr >= |M| <.0001 Signed Rank S 1.482E13 Pr >= |S| <.0001 Quantiles (Definition 5) Quantile Estimate … UNIVARIATE Procedure Variable: LOS (Length of stay (cleaned)) Quantiles (Definition 5) Quantile Estimate … Variable: TOTCHG_X (Total charges (as received from source)) Quantiles (Definition 5) Quantile Estimate
  10. hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2004_SummaryStats_CORE.PDF
    January 01, 2004 - UNIVARIATE Procedure Variable: AGE (Age in years at admission) Quantiles (Definition 5) Quantile Estimate … 3911875 Pr >= |M| <.0001 Signed Rank S 1.53E13 Pr >= |S| <.0001 Quantiles (Definition 5) Quantile Estimate … UNIVARIATE Procedure Variable: LOS (Length of stay (cleaned)) Quantiles (Definition 5) Quantile Estimate … 3912048 Pr >= |M| <.0001 Signed Rank S 1.53E13 Pr >= |S| <.0001 Quantiles (Definition 5) Quantile Estimate … Variable: TOTCHG_X (Total charges (as received from source)) Quantiles (Definition 5) Quantile Estimate
  11. hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2001_SummaryStats.PDF
    January 01, 2001 - 3261113 Pr >= |M| <.0001 Signed Rank S 1.063E13 Pr >= |S| <.0001 Quantiles (Definition 5) Quantile Estimate … UNIVARIATE Procedure Variable: AGE (Age in years at admission) Quantiles (Definition 5) Quantile Estimate … 3644556 Pr >= |M| <.0001 Signed Rank S 1.328E13 Pr >= |S| <.0001 Quantiles (Definition 5) Quantile Estimate … UNIVARIATE Procedure Variable: LOS (Length of stay (cleaned)) Quantiles (Definition 5) Quantile Estimate … Variable: TOTCHG_X (Total charges (as received from source)) Quantiles (Definition 5) Quantile Estimate
  12. hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2000_SummaryStats.PDF
    January 01, 2000 - 3243125 Pr >= |M| <.0001 Signed Rank S 1.052E13 Pr >= |S| <.0001 Quantiles (Definition 5) Quantile Estimate … UNIVARIATE Procedure Variable: AGE (Age in years at admission) Quantiles (Definition 5) Quantile Estimate … 3642020 Pr >= |M| <.0001 Signed Rank S 1.326E13 Pr >= |S| <.0001 Quantiles (Definition 5) Quantile Estimate … UNIVARIATE Procedure Variable: LOS (Length of stay (cleaned)) Quantiles (Definition 5) Quantile Estimate … Variable: TOTCHG_X (Total charges (as received from source)) Quantiles (Definition 5) Quantile Estimate
  13. hcup-us.ahrq.gov/db/vars/discwt/nassnote.jsp
    August 01, 2019 - Healthcare Cost and Utilization Project (HCUP) NASS Notes An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQ…
  14. hcup-us.ahrq.gov/reports/statbriefs/sb120.pdf
    September 01, 2011 - To improve the accuracy, all annual estimates are two-year averages (e.g., the estimate for 1999 2000 … Using the HCUP Nationwide Inpatient Sample to Estimate Trends. (Updated for 1988 2004).
  15. hcup-us.ahrq.gov/db/vars/discwtcharge/kidnote.jsp
    September 01, 2008 - Healthcare Cost and Utilization Project (HCUP) KID Notes An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQs…
  16. hcup-us.ahrq.gov/reports/statbriefs/sb245-Substance-Inpatient-Stays-Across-US-Counties.pdf
    February 01, 2018 - hospitals, contains fewer than 11 discharges, or has a relative standard error (standard error / weighted estimate … hospitals, contains fewer than 11 discharges, or has a relative standard error (standard error/weighted estimate … hospitals, contains fewer than 11 discharges, or has a relative standard error (standard error/weighted estimate … contained fewer than 11 discharges, had a relative standard error (standard error divided by weighted estimate … Then, to obtain the aggregate 3-year estimate, they were averaged across the 3 years, weighted by the
  17. hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2014.jsp
    January 01, 2014 - This is the case because the population is defined at that point in time and because the estimate is … In each iteration, the outcome of interest is predicted for one-tenth of the observations by an estimate … For the upper range of visits in the survey (16 or more ED visits), 16 ED visits were used for the estimate
  18. hcup-us.ahrq.gov/db/nation/nass/NASS_Introduction_2018.jsp
    January 01, 2018 - This is the case because the population is defined at that point in time and because the estimate is … In each iteration, the outcome of interest is predicted for one-tenth of the observations by an estimate
  19. hcup-us.ahrq.gov/tech_assist/data_query/Methods_Community_Statistics20230207.pdf
    December 01, 2022 - Claritas uses intracensus methods to estimate household and demographic characteristics by 18 age groups
  20. hcup-us.ahrq.gov/reports/methods/2012_01.pdf
    January 01, 2012 - CPS represents health insurance coverage (including multiple coverages) plus an estimate of the uninsured

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