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61. INTRODUCTION TO THE HCUP NATIONWIDE AMBULATORY SURGERY SAMPLE (NASS) 2019 (pdf file)
    hcup-us.ahrq.gov/db/nation/nass/2019_NASS_Introduction.pdf
    January 01, 2019 - • Build the NASS hospital sampling frame. … Hospitals are sampled from the NASS sampling frame. … frame hospitals small sampling fractions. … The overall sampling fraction for the 2019 universe of hospitals and sampling frame is (2,958/4,362) … This led to relaxing the number of sampling frame hospitals or sampling fraction criteria for some strata

62. THE HCUP NATIONWIDE AMBULATORY SURGERY SAMPLE (NASS) 2019
    hcup-us.ahrq.gov/db/nation/nass/NASS_Introduction_2019.jsp
    January 01, 2019 - Build the NASS hospital sampling frame. … Return to Introduction   3.4.2 NASS Sampling Strata Sampling strata were selected using results … This led to relaxing the number of sampling frame hospitals or sampling fraction criteria for some strata … Frame 2019 Population States Not in NASS Sampling Frame Total 2019 Population States in NASS Sampling … The overall sampling fraction for the 2019 universe of hospitals and sampling frame is (2,958/4,362)

63. Responsibilities of Sponsors, Vendors, and Consultants | Agency for Healthcare Research and Quality
    www.ahrq.gov/cahps/surveys-guidance/helpful-resources/planning/RESPOM1aDivisionofResp.html
    March 01, 2016 - Sampling Determine the groups of individuals to be surveyed. … Prepare a sampling plan for discussion with the sponsor. … Help the sponsor and vendor develop survey sampling specifications. … (You will need a statistical consultant if you or the vendor does not have a sampling statistician.)

64. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
    hcup-us.ahrq.gov/db/nation/nass/2020_NASS_Introduction.pdf
    January 01, 2020 - • Build the NASS hospital sampling frame. … Hospitals are sampled from the NASS sampling frame. … frame hospitals small sampling fractions. … This led to relaxing the number of sampling frame hospitals or sampling fraction criteria for some strata … The overall sampling fraction for the 2020 universe of hospitals and sampling frame is (2,899/4,352)

65. MAINTAIN AND EXPAND (pdf file)
    hcup-us.ahrq.gov/db/nation/nis/reports/Changes_in_NIS_Design_1998.pdf
    January 01, 1998 - Sampling Weights In prior versions of the NIS, we calculated separate sampling weights for the state … sampling and weighting strategy. … Discharge Sampling Rate The sampling rate for discharges was 100 percent for each hospital drawn … First, it simplifies the sampling. … It is no longer necessary to keep track of previous year’s sampling probabilities and sampling status

66. THE HCUP NATIONWIDE AMBULATORY SURGERY SAMPLE (NASS) 2020
    hcup-us.ahrq.gov/db/nation/nass/NASS_Introduction_2020.jsp
    January 01, 2020 - Build the NASS hospital sampling frame. … frame hospitals small sampling fractions. … This led to relaxing the number of sampling frame hospitals or sampling fraction criteria for some strata … Frame 2020 Population States Not in NASS Sampling Frame Total 2020 Population States in NASS Sampling … The overall sampling fraction for the 2020 universe of hospitals and sampling frame is (2,899/4,352)

67. MAINTAIN AND EXPAND (pdf file)
    hcup-us.ahrq.gov/reports/methods/1998ChangesintheNISRedesignFinal.pdf
    January 18, 2002 - Sampling Weights In prior versions of the NIS, we calculated separate sampling weights for the state … sampling and weighting strategy. … Discharge Sampling Rate The sampling rate for discharges was 100 percent for each hospital drawn … First, it simplifies the sampling. … LOG� Executive Summary Sampling features determined in advance Analysis of selected sampling

68. Fielding the CAHPS Cancer Care Survey (pdf file)
    www.ahrq.gov/sites/default/files/wysiwyg/cahps/surveys-guidance/cancer/fielding-cancer-53.pdf
    July 14, 2017 - • Random sampling: If the sampling frame for a treatment modality is larger than the desired sample … , use a random sampling process to select patients from the sampling frame to receive a survey. … Prior to conducting random sampling: o Screen each of the separate sampling frames for deceased individuals … o Evaluate the sampling frames for duplicates within sampling frames. … o Evaluate the sampling frames for duplicates across sampling frames, which can occur for patients who

69. THE HCUP NATIONWIDE AMBULATORY SURGERY SAMPLE (NASS) 2016
    hcup-us.ahrq.gov/db/nation/nass/NASS_Introduction_2016.jsp
    January 01, 2016 - Build the NASS hospital sampling frame. … Return to Introduction   3.4.2 NASS Sampling Strata Sampling strata were selected using results … This led to relaxing the number of sampling frame hospitals or sampling fraction criteria for some strata … Frame 2016 Population States Not in NASS Sampling Frame Total 2016 Population States in NASS Sampling … The overall sampling fraction for the 2016 universe of hospitals and sampling frame is (2,751/4,398)

70. Introduction to the KID, 2022 (pdf file)
    hcup-us.ahrq.gov/db/nation/kid/KIDIntroduction2022.pdf
    December 01, 2024 - SAMPLING OF DISCHARGES Sampling of Discharges Included in the KID Unlike the HCUP Nationwide Inpatient … Sample (NIS) prior to 2012, the KID has never involved sampling hospitals. … Sampling Procedure The KID includes a sample of pediatric discharges from all hospitals in the sampling … • Rk is the frame sampling rate for non-newborns from all non-newborn discharges in the sampling … Considerations Changes to Sampling and Weighting Strategy Beginning with the 2000 KID Sampling Procedure

71. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
    hcup-us.ahrq.gov/db/nation/nass/NASS_Introduction_2016.pdf
    January 01, 2016 - • Build the NASS hospital sampling frame. … Hospitals are sampled from the NASS sampling frame. … frame hospitals or small sampling fractions. … The overall sampling fraction for the 2016 universe of hospitals and sampling frame is (2,751/4,398) … This led to relaxing the number of sampling frame hospitals or sampling fraction criteria for some strata

72. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
    hcup-us.ahrq.gov/db/nation/nass/2017_NASS_Introduction.pdf
    January 01, 2017 - • Build the NASS hospital sampling frame. … Hospitals are sampled from the NASS sampling frame. … frame hospitals small sampling fractions. … The overall sampling fraction for the 2017 universe of hospitals and sampling frame is (2,737/4,372) … This led to relaxing the number of sampling frame hospitals or sampling fraction criteria for some strata

73. Understanding CAHPS Surveys: A Primer for New Users - CAHPS 101 (pdf file)
    www.ahrq.gov/sites/default/files/wysiwyg/cahps/news-and-events/events/webinars/fry-administering.pdf
    April 02, 2025 - Technology • Communication • Narrative Items • User-developed items ADMINISTERING & USING CAHPS 21 Sampling … Considerations • Sampling varies by survey and reporting goals • Users should consider: ► Data use … Hospital Survey CAHPS Survey Content Examples of CAHPS Supplemental Items ADMINISTERING & USING CAHPS Sampling

74. THE HCUP NATIONWIDE AMBULATORY SURGERY SAMPLE (NASS) 2017
    hcup-us.ahrq.gov/db/nation/nass/NASS_Introduction_2017.jsp
    January 01, 2017 - Build the NASS hospital sampling frame. … Return to Introduction   3.4.2 NASS Sampling Strata Sampling strata were selected using results … This led to relaxing the number of sampling frame hospitals or sampling fraction criteria for some strata … Frame 2017 Population States Not in NASS Sampling Frame Total 2017 Population States in NASS Sampling … The overall sampling fraction for the 2017 universe of hospitals and sampling frame is (2,737/4,372)

75. INTRODUCTION TO THE HCUP NATIONAL INPATIENT SAMPLE (NIS), 2021
    hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2021.jsp
    January 01, 2021 - sampling error. … sampling error. … The NIS sampling and weighting strategy was also revised in 1998. … Overview of the Sampling Procedure The strata for the 2012 and later NIS systematic sampling design … Thus, the sampling rate would not always be 20 percent for each stratum.

76. INTRODUCTION TO THE HCUP NATIONAL INPATIENT SAMPLE (NIS), 2020
    hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2020.jsp
    January 01, 2020 - The new sampling strategy produces more precise estimates than the previous NIS design by reducing sampling … The new sampling strategy produces more precise estimates than the previous NIS design by reducing sampling … The NIS sampling and weighting strategy was also revised in 1998. … Variance estimates must consider both the sampling design and the form of the statistic. … Thus, the sampling rate would not always be 20 percent for each stratum.

77. INTRODUCTION TO THE HCUP NATIONAL INPATIENT SAMPLE (NIS), 2019
    hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2019.jsp
    January 01, 2019 - The new sampling strategy produces more precise estimates than the previous NIS design by reducing sampling … The new sampling strategy produces more precise estimates than the previous NIS design by reducing sampling … The NIS sampling and weighting strategy was also revised in 1998. … Variance estimates must consider both the sampling design and the form of the statistic. … Thus, the sampling rate would not always be 20 percent for each stratum.

78. 2017-02 (pdf file)
    hcup-us.ahrq.gov/reports/methods/2017-02.pdf
    January 01, 2017 - frame if they are the only ED for a State in a sampling stratum. … Increase the Sampling Rate Background. … • Alternative Design 3 retained unique EDs in the sampling frame. … b Alternative Design 3 retains unique EDs in the sampling frame. … a Alternative Design 3 retains unique EDs in the sampling frame.

79. Introduction to the NIS (pdf file)
    hcup-us.ahrq.gov/db/nation/nis/NISIntroduction2022.pdf
    November 01, 2024 - The new sampling strategy produces more precise estimates than the previous NIS design by reducing sampling … sampling error. … The NIS sampling and weighting strategy was also revised in 1998. … Overview of the Sampling Procedure The strata for the 2012 and later NIS systematic sampling design … Thus, the sampling rate would not always be 20 percent for each stratum.

80. HCUP Methods Series Calculating National Inpatient Sample (NIS) Variances for Data Years 2012 and Later
    hcup-us.ahrq.gov/reports/methods/2015_09.jsp
    January 01, 2015 - Prior to the 2012 NIS, the samples included all discharges from a sample of hospitals in the sampling … Users desiring a more comprehensive account should refer to the final report on the NIS sampling and … in the sampling frame. … As the sampling fraction f approaches 1, the sampling variance approaches zero. … Survey Sampling Principles.