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Showing results for "sampling".

61. 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

62. 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

63. 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

64. 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)

65. 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.

66. 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.

67. 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.

68. 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.

69. 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.

70. 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.

71. Calculating Variances Using the 1999 Nationwide Inpatient Sample (pdf file)
    hcup-us.ahrq.gov/reports/methods/2015-09.pdf
    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. … Survey Sampling Principles. New York: Dekker; 1991, Chapter 10. … As the sampling fraction f approaches 1, the sampling variance approaches zero.

72. INTRODUCTION TO THE HCUP KIDS' INPATIENT DATABASE (KID), 2006
    hcup-us.ahrq.gov/db/nation/kid/kid_2006_introduction.jsp
    January 01, 2006 - Return to Introduction SAMPLING OF DISCHARGES Sampling of Discharges Included in the KID … Sampling Procedure The KID includes a sample of pediatric discharges from all hospitals in the sampling … R k is the frame sampling rate for non-newborns from all non-newborn discharges in the sampling frame … Confidentiality of Hospitals - Limitation on Sampling Limitations on sampling were needed for … "KID Sampling-Frame Hospitals" lists hospitals with pediatric discharges in the sampling frame after

73. THE HCUP NATIONWIDE AMBULATORY SURGERY SAMPLE (NASS) 2018
    hcup-us.ahrq.gov/db/nation/nass/NASS_Introduction_2018.jsp
    January 01, 2018 - 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 2018 Population States Not in NASS Sampling Frame Total 2018 Population States in NASS Sampling … The overall sampling fraction for the 2018 universe of hospitals and sampling frame is (2,699/4,357)

74. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
    hcup-us.ahrq.gov/db/nation/nass/2018_NASS_Introduction.pdf
    January 01, 2018 - • 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 2018 universe of hospitals and sampling frame is (2,699/4,357) … This led to relaxing the number of sampling frame hospitals or sampling fraction criteria for some strata

75. Calculating Variances Using the 1999 Nationwide Inpatient Sample (pdf file)
    hcup-us.ahrq.gov/reports/methods/2003_02.pdf
    January 01, 2003 - The user desiring a more comprehensive account should refer to the final report on the NIS sampling … As the sampling fraction f approaches 1, the sampling variance approaches zero. … It can accommodate very large sampling frames. It can draw a replicated sampling, i.e. … PROC SURVEYSELECT accepts the sampling frame as a SAS data set. … without replacement of sampling units within strata.

76. HCUP Methods Series Calculating Nationwide Inpatient Sample (NIS) Variances for Data Years 2011 and Earlier
    hcup-us.ahrq.gov/reports/methods/2003_02.jsp
    January 01, 2003 - One objective, already achieved, was a redesign of the Nationwide Inpatient Sample (NIS) sampling and … As the sampling fraction f approaches 1, the sampling variance approaches zero. … It can accommodate very large sampling frames. … PROC SURVEYSELECT accepts the sampling frame as a SAS data set. … without replacement of sampling units within strata.

77. INTRODUCTION TO THE HCUP NATIONWIDE INPATIENT SAMPLE (NIS), 2006
    hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2006.jsp
    January 01, 2006 - SAMPLING OF HOSPITALS Sampling of Hospitals Included in the NIS The NIS Hospital Universe The … Change to Hospital Sampling Procedure Beginning with the 1998 NIS Beginning with the 1998 NIS sampling … for hospital-level sampling weights. … Confidentiality of Hospitals - Limitation on Sampling Limitations on sampling were needed for … were fewer than two hospitals in a sampling stratum.

78. INTRODUCTION TO THE HCUP KIDS' INPATIENT DATABASE (KID), 2009
    hcup-us.ahrq.gov/db/nation/kid/kid_2009_introduction.jsp
    January 01, 2009 - Return to Introduction SAMPLING OF DISCHARGES Sampling of Discharges Included in the KID Unlike … Sampling Procedure The KID includes a sample of pediatric discharges from all hospitals in the sampling … R k is the frame sampling rate for non-newborns from all non-newborn discharges in the sampling frame … Confidentiality of Hospitals - Limitation on Sampling Limitations on sampling were needed for … "KID Sampling-Frame Hospitals" lists hospitals with pediatric discharges in the sampling frame after

79. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
    hcup-us.ahrq.gov/db/nation/nis/NISIntroduction2019.pdf
    September 01, 2021 - 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. http://172.16.18.243/db/nation/nis/nishospnotes.jsp (pdf file)
    hcup-us.ahrq.gov/db/nation/nis/NIS_1999_HOSPITAL.pdf
    January 01, 1999 - For detailed information about the NIS sampling design, see the year-specific report on the Design of … For detailed information about the NIS sampling design, see the year-specific report on the Design of … For detailed information about the NIS sampling design, see the year-specific report on the Design of … For detailed information about the NIS sampling design, see the year-specific report on the Design of … Some strata were combined for sampling and weight calculations.