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  1. hcup-us.ahrq.gov/reports/methods/MS2021-03-NHQDRMethodsReport.pdf
    December 09, 2021 - Standard errors were calculated for the NHQDR as described in the HCUP report entitled Inferences with … For a benchmark to be calculated, rates for at least 30 States needed to be available. … Rates for the following measures were calculated for inpatient stays for women aged 12-55 years with … **Calculated using Kaiser Family Foundation, statehealthfacts.org. … Consequently, the standard error of the rate R was calculated as: SER =100,000 * SES / N.
  2. 2017-02 (pdf file)

    hcup-us.ahrq.gov/reports/methods/2017-02.pdf
    January 01, 2017 - Hospital- and ED visit-level weights for national estimates are calculated after sampling and by strata … Hospital-level and ED visit-level weights for national estimates are calculated after sampling and by … • Daily admission rate also was calculated for each ED and then assigned to a quintile specific to … ED visit weights also were calculated after sampling and the collapse of strata. … Within each stratum, s, for hospital, i, the universe weight for each visit in the NEDS sample was calculated
  3. hcup-us.ahrq.gov/reports/methods/2019-01.pdf
    January 01, 2019 - Standard errors were calculated for the QDR as described in the HCUP report entitled Inferences with … For a benchmark to be calculated, rates for at least 30 States needed to be available. … **Calculated using Kaiser Family Foundation, statehealthfacts.org. … Consequently, the standard error of the rate R was calculated as: SER =100,000 * SES / N. … We calculated the test statistic and (two-sided) p-value: )Prob(*2 2 2 2 1 21 tZp SESE RRt
  4. hcup-us.ahrq.gov/reports/ataglance/HCUPanalysisCdiff2022.pdf
    December 08, 2022 - The annual rates were calculated as the number of C. diff hospitalizations per 1,000 adult, nonmaternal
  5. hcup-us.ahrq.gov/db/vars/kid_stratum/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/race/stand_alone_r_e_rpt.jsp
    May 01, 2016 - Georgia, for example, calculated years of potential life lost for each county because it made for an
  7. hcup-us.ahrq.gov/reports/statbriefs/sb146.pdf
    March 01, 2012 - Definitions Average Annual Percentage Change Average annual percentage change is calculated using … Average annual percentage change was calculated over 13 years: 100 x 1 value 1997 value 2010 change
  8. hcup-us.ahrq.gov/db/coding.jsp
    November 01, 2020 - linkage numbers Recoded into uniform coding schemes Sex, race, expected primary pay source Calculated
  9. hcup-us.ahrq.gov/db/ccr/ip-ccr/CCR-NRD_UserGuide_2010-2018.pdf
    January 01, 2018 - APICC is missing when there is no cost information in the PPS data or the calculated cost/charge values
  10. hcup-us.ahrq.gov/reports/factsandfigures/2008/definitions.jsp
    January 01, 2008 - Patient age Patient age in years, calculated based on the patient's date of birth and admission date
  11. hcup-us.ahrq.gov/reports/methods/2011_05.pdf
    January 01, 2011 - The positive predictive value of selected AHRQ PSIs applied to discharges was calculated for coronary … Again using California SID data, they calculated risk-adjusted hospital mortality rates using either … The proportion of DRG assignments that would change and consequent payment differences were calculated … The payment reductions based on POA status were also calculated. … the POA Indicator: Update 2011 • Using statewide data from New York, Saleh and colleagues (2010) calculated
  12. hcup-us.ahrq.gov/reports/methods/2004_6.pdf
    January 01, 2004 - Percentage Calculation E code completeness was calculated as follows: Percent of injury events with … NEISS- AIP counts were calculated for all cases and for cases that were treated and released. … The initial 85.7% figure was calculated using a more narrow range that specifically excluded E codes … completeness reported for injury hospitalizations in 1997 and 1998 were very similar to the percentages calculated … The study calculated the percentages by dividing the number of adverse events from 1995 to 1999 by the
  13. hcup-us.ahrq.gov/reports/methods/2007_02.pdf
    January 01, 2007 - For the 1997 KID, we calculated the number of discharges in the universe as the sum of births and total … Beginning in 2000, we calculated total universe discharges as the sum of births and hospital discharges … HCUP (01/10/2007) 6 KID Trends Report Change in Counts of Discharges For the 1997 KID, we calculated … Beginning in 2000, we calculated total universe discharges as the sum of births and hospital discharges … It is useful to compare trends in outcomes calculated from the KID to those calculated from the NHDS
  14. hcup-us.ahrq.gov/tech_assist/index_stu.jsp
    February 01, 2022 - HCUP-US Index Page An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQs Email Updates …
  15. hcup-us.ahrq.gov/reports/statbriefs/SB307-508.pdf
    November 03, 2021 - Calculations Readmission rate Readmission rate per 100 index admissions was calculated as follows … missing charges were imputed using the average total hospital charges for the Diagnosis Related Group calculated
  16. hcup-us.ahrq.gov/reports/statbriefs/sb298-COVID-19-ED-visits.pdf
    April 01, 2022 - Percentage change is calculated from unrounded values. … Percentage change is calculated from unrounded values. … Percentage change is calculated from unrounded values. … Percentage change Percentage change between groups was calculated using the following formula: Percentage
  17. hcup-us.ahrq.gov/datainnovations/raceethnicitytoolkit/or22.jsp
    July 01, 2014 - Analysis Age-adjusted incidence rates (non-HIV STDs) and crude prevalence rates (HIV) were calculated
  18. hcup-us.ahrq.gov/reports/statbriefs/sb146.jsp
    January 01, 2013 - Definitions Average Annual Percentage Change Average annual percentage change is calculated using … Average annual percentage change was calculated over 13 years: Average annual percentage change
  19. hcup-us.ahrq.gov/reports/statbriefs/sb199-Readmissions-Payer-Age.jsp
    December 01, 2015 - Note: Percentage change was calculated from data that were not rounded. … Note: Percentage change was calculated from data that were not rounded. … In this Statistical Brief, the readmission counts are 12-month counts calculated by multiplying the readmission
  20. hcup-us.ahrq.gov/reports/statbriefs/sb176-Hospital-Cost-Projections-by-Age-2013.pdf
    January 01, 2013 - 2013 were generated using the SAS Time Series Forecasting System™ (Version 9.2).5 Projections were calculated … National quarterly trends were calculated as a weighted average of the State-level quarterly trends … medical DRG. 12 Average annual percentage change Average annual percentage change is calculated

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