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  1. www.ahrq.gov/practiceimprovement/delivery-initiative/rodriguez/index.html
    December 01, 2020 - Patient Experience Survey (random samples of patients with 2+ visits) (2012 RR= 45%, n=907; 2013 RR=
  2. www.ahrq.gov/cahps/surveys-guidance/survey-methods-research/calculating-sample-size.html
    August 01, 2024 - Calculating the Starting Sample Size for CAHPS Surveys The starting sample size you need to achieve the desired number of completed CAHPS questionnaires for analysis and reporting should take several factors into account: The accuracy of the contact information. The mode or modes of data collection. Any prior s…
  3. hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2010.jsp
    January 01, 2010 - However, these NIS samples were not designed to yield a representative sample of hospitals at the State … The two samples could be combined to form a single, generalizable 20% subsample of discharges. … an equal probability of selection for the sample, regardless of whether they appeared in prior NIS samples … This deviates from the procedure used for earlier samples, which maximized the longitudinal component … For a description of zero-weight hospitals in the 1988-1992 samples, refer to the special report: Design
  4. hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2011.jsp
    January 01, 2011 - However, these NIS samples were not designed to yield a representative sample of hospitals at the State … The two samples could be combined to form a single, generalizable 20% subsample of discharges. … an equal probability of selection for the sample, regardless of whether they appeared in prior NIS samples … This deviates from the procedure used for earlier samples, which maximized the longitudinal component … For a description of zero-weight hospitals in the 1988-1992 samples, refer to the special report: Design
  5. www.ahrq.gov/data/apcd/envscan/context.html
    June 01, 2017 - However, these are only samples of a small percentage of the patients in any given locality, so they
  6. www.ahrq.gov/healthsystemsresearch/hspc-research-study/appendix-b.html
    June 01, 2020 - nonhuman test subjects as well as computer simulated biomedical models, and studies that use tissue samples … , other biological samples, or medical imagery outside the context of actual service provision. 
  7. hcup-us.ahrq.gov/reports/methods/2003_02.jsp
    January 01, 2003 - superpopulation (stochastic) model, procedures have been developed to draw inferences using weights from complex samples … The SURVEYSELECT procedure provides a variety of methods for selecting probability-based random samples … The procedure can select a simple random sample, or samples with design features such as stratification
  8. digital.ahrq.gov/sites/default/files/docs/page/tool-7-4-sample-md-pharmacy-outreach.docx
    June 16, 2021 - Tool 7.4: Sample MD to Pharmacy Outreach Tool 7.4: Sample MD to Pharmacy Outreach To Our Valued Pharmacy Partner: We would like to let you know that physicians at our practice are now able to send electronic prescriptions to pharmacies connected to a health information network (placeholder). This means that our ph…
  9. www.uspreventiveservicestaskforce.org/uspstf/recommendation/drug-abuse-screening-1996
    January 01, 1996 - urine testing: water loading, diuretic use, ingestion of interfering substances, or adulterating urine samples … compounds in foods. 48 To prevent falsely implicating persons as users of illegal drugs, screen-positive samples
  10. www.uspreventiveservicestaskforce.org/home/getfilebytoken/gWJU-ZynehGyLBVYtDmMow
    May 01, 2009 - Sera samples tested by using TPHA (serial dilutions, considered reactive at �1:80) and VDRL (diluted … Samples were considered to have biological false-positive results if they were VDRL-positive but TPHA
  11. www.uspreventiveservicestaskforce.org/uspstf/recommendation/genital-herpes-simplex-screening-1996
    January 01, 1996 - 27 EIA, however, had a concordance of only 59% with conventional viral culture in a large study of samples … 88% compared to conventional culture, 22 and 43% and 71%, respectively, compared to cytology, 29 on samples
  12. www.uspreventiveservicestaskforce.org/home/getfilebytoken/3HxQuXnyqHpUKNqjB7hWBw
    September 01, 2005 - Studies were conducted in highly selected samples of women, and re- sults may not be generalizable to … In Monte Carlo simulation, random samples for the esti- mate of P�D��G� are obtained as follows. … First, random samples of logit(P) are drawn from the following normal distribution: N�logit̂(P), var̂ … Then, by transformation, random samples for estimates of P�D��G� are obtained as: P�D �G�� � exp(logit … Random samples of RR are obtained by first drawing random samples of ln(RR) from N�ln(RR̂), var̂�ln(
  13. www.ahrq.gov/sites/default/files/wysiwyg/cahps/surveys-guidance/hospital/about/fielding-child-hcahps-93.pdf
    April 02, 2025 - Sampling In disproportionate stratified random sampling, dissimilar sampling ratios are used to draw samples
  14. hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2013.jsp
    January 01, 2013 - Analyses of time trends using the HCUP NIS are recommended from 1993 forward because earlier samples … Analyses of time trends using the HCUP NIS are recommended from 1993 forward because earlier samples … of discharges from a sample of approximately 1,000 hospitals, whereas the proposed systematic design samples … Patient factors DRG Admission month The superior performance of the systematic design that samples … 0.58 0.57 0.55 Hospital Mortality 0.57 0.55 0.55 0.51 Based on 500 Simulated Samples
  15. www.ahrq.gov/sites/default/files/wysiwyg/hai/tools/mrsa/040-mrsa-surveillance-notes.docx
    October 01, 2024 - Slide 9 Passive MRSA Surveillance SAY: Passive surveillance gathers data from samples that are collected
  16. www.ahrq.gov/research/findings/final-reports/iomracereport/reldata5.html
    May 01, 2018 - Moreover, conducting surveys of representative population-based samples in diverse settings requires … reported in Chapter 2 were generated from pooled analyses of the NHIS sample to increase the size of the samples
  17. www.ahrq.gov/hai/cauti-tools/guides/implguide-pt3.html
    October 01, 2015 - Samples of products can be obtained so that staff can conduct a trial as a way to identify which products … Utilize the help of the central supply manager to obtain samples of new/improved condom catheters on
  18. hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2021.jsp
    January 01, 2021 - Analyses of time trends using the HCUP NIS are recommended from 1993 forward because earlier samples … Analyses of time trends using the HCUP NIS are recommended from 1993 forward because earlier samples
  19. hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2020.jsp
    January 01, 2020 - Analyses of time trends using the HCUP NIS are recommended from 1993 forward because earlier samples … Analyses of time trends using the HCUP NIS are recommended from 1993 forward because earlier samples
  20. hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2019.jsp
    January 01, 2019 - Analyses of time trends using the HCUP NIS are recommended from 1993 forward because earlier samples … Analyses of time trends using the HCUP NIS are recommended from 1993 forward because earlier samples