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Showing results for "design sample size".

81. INTRODUCTION TO THE HCUP NATIONWIDE INPATIENT SAMPLE (NIS), 2011
    hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2011.jsp
    January 01, 2011 - The NIS' large sample size enables analyses of rare conditions, such as specific types of cancer; uncommon … The HCUP Sampling Design tutorial is designed to help users learn how to account for sample design … Return to Introduction Hospital Sample Design Design Considerations The NIS is a stratified … This sample size was determined by AHRQ based on their experience with similar research databases. … While this approach was admittedly less efficient, the extremely large sample sizes yield reliable estimates

82. THE HCUP NATIONWIDE EMERGENCY DEPARTMENT SAMPLE (NEDS), 2011
    hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2011.jsp
    January 01, 2011 - One of the most distinctive features of the NEDS is its large sample size, which allows for analysis … The HCUP Sampling Design tutorial is designed to help users learn how to account for sample design … A sample size of 20 percent was based on previous experience with similar research databases. … Collapsed categories used for strata with small sample sizes: (4) Nontrauma center or trauma center level … Collapsed categories used for strata with small sample sizes: (7) Small metropolitan and micropolitan

83. THE HCUP NATIONWIDE EMERGENCY DEPARTMENT SAMPLE (NEDS), 2010
    hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2010.jsp
    January 01, 2010 - One of the most distinctive features of the NEDS is its large sample size, which allows for analysis … The HCUP Sampling Design tutorial is designed to help users learn how to account for sample design … A sample size of 20 percent was based on previous experience with similar research databases. … Collapsed categories used for strata with small sample sizes: (8) Trauma center level I or II, (9) Trauma … Collapsed categories used for strata with small sample sizes: (8) Metropolitan (large and small), (9)

84. Introduction to the KID, 2022 (pdf file)
    hcup-us.ahrq.gov/db/nation/kid/KIDIntroduction2022.pdf
    December 01, 2024 - The KID's large sample size enables analyses of rare conditions, such as congenital anomalies and uncommon … other institutions), excluding rehabilitation hospitals, in States participating in HCUP  A large sample … size, which enables analyses of rare conditions (e.g. congenital anomalies) as well as, uncommon treatments … The KID's large sample size enables analyses of rare conditions, such as congenital anomalies and uncommon … KID Sample Design Design Considerations The overall design objective was to select a sample of pediatric

85. THE HCUP NATIONWIDE EMERGENCY DEPARTMENT SAMPLE (NEDS), 2013
    hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2013.jsp
    January 01, 2013 - One of the most distinctive features of the NEDS is its large sample size, which allows for analysis … The HCUP Sampling Design tutorial is designed to help users learn how to account for sample design … A sample size of 20 percent was based on previous experience with similar research databases. … sizes 4: Nontrauma or trauma center level III (beginning in the 2011 NEDS) 8 … sizes 7: Small metropolitan and micropolitan (used in the South in 2011-2013)

86. THE HCUP NATIONWIDE AMBULATORY SURGERY SAMPLE (NASS) 2019
    hcup-us.ahrq.gov/db/nation/nass/NASS_Introduction_2019.jsp
    January 01, 2019 - The HCUP Sample Design tutorial is designed to help users learn how to account for sample design in … estimates ( encounter universe ), tabulated in strata used in the sampling design. … Examine the strata with deficient ratios or sample sizes. … The NASS sampling design consists of a stratified, single-stage cluster sample. … and changes to the design over time.

87. Introduction To The HCUP Nationwide Ambulatory Surgery Sample (pdf file)
    hcup-us.ahrq.gov/db/nation/nass/NASSIntroduction2021.pdf
    April 01, 2024 - • The HCUP Sample Design tutorial is designed to help users learn how to account for sample design … The tutorial will be updated in the future to directly address the NASS sampling design. … Census region was considered as an essential stratum to include in the design. … The NASS sampling design consists of a stratified, single- stage cluster sample. … and changes to the design over time

88. THE HCUP NATIONWIDE EMERGENCY DEPARTMENT SAMPLE (NEDS), 2012
    hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2012.jsp
    January 01, 2012 - One of the most distinctive features of the NEDS is its large sample size, which allows for analysis … The HCUP Sampling Design tutorial is designed to help users learn how to account for sample design … A sample size of 20 percent was based on previous experience with similar research databases. … Collapsed categories used for strata with small sample sizes: (4) Nontrauma center or trauma center level … Collapsed categories used for strata with small sample sizes: (7) Small metropolitan and micropolitan

89. Microsoft Word - NEDS_2006_Introduction v4.doc (pdf file)
    hcup-us.ahrq.gov/db/nation/neds/NEDS_2006_Introductionv4.pdf
    January 01, 2006 - One of the most distinctive features of the NEDS is its large sample size, which allows for analysis … HCUP (June 2009) NEDS Introduction 9 SAMPLING DESIGN OF THE NEDS Similar to the design of the … A sample size of 20 percent was based on previous experience with similar research databases. … Collapsed categories used for strata with small sample sizes: (8) Trauma center level I or II, (9) Trauma … Collapsed categories used for strata with small sample sizes: (8) Metropolitan (large and small), (9

90. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
    hcup-us.ahrq.gov/db/nation/nis/2006NIS_INTRODUCTION.pdf
    November 01, 2015 - The NIS' large sample size enables analyses of rare conditions, such as congenital anomalies; uncommon … The sampling design consisted of a stratified, single-stage cluster sample. … Hospital Sample Design Design Considerations The NIS is a stratified probability sample of hospitals … This sample size was determined by AHRQ based on their experience with similar research databases. … While this approach was admittedly less efficient, the extremely large sample sizes yield reliable estimates

91. THE HCUP NATIONWIDE EMERGENCY DEPARTMENT SAMPLE (NEDS), 2017
    hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2017.jsp
    January 01, 2017 - One of the most distinctive features of the NEDS is its large sample size, which allows for analysis … The HCUP Sampling Design tutorial is designed to help users learn how to account for sample design … A sample size of 20 percent was based on previous experience with similar research databases. … sizes 4: Nontrauma or trauma center level III (beginning in the 2011 NEDS) 8 … size and/or a coefficient of variation > 30%.

92. INTRODUCTION TO THE HCUP NATIONWIDE INPATIENT SAMPLE (NIS), 2005
    hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2005.jsp
    January 01, 2005 - The NIS' large sample size enables analyses of rare conditions, such as congenital anomalies; uncommon … Detailed information on the design of the NIS is available in the year-specific special reports on Design … For more detailed descriptions of the sampling design, refer to the year-specific special reports, Design … reports, Design of the HCUP Nationwide Inpatient Sample , which can be found on the HCUP-US Website … HCUP Database Reports are specific to the design and use of the HCUP databases.

93. Overview to the HCUP Nationwide Inpatient Sample (NIS), 2001
    hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2001.jsp
    January 01, 2001 - The NIS's large sample size enables analyses of rare conditions, such as congenital anomalies; uncommon … Detailed information on the design of the NIS is available in the year-specific special reports on Design … For more detailed descriptions of the sampling design, refer to the year-specific special reports Design … reports Design of the HCUP Nationwide Inpatient Sample which can be found on the NIS Documentation … Finally, because the NIS was not designed to be representative at the State level, design-based estimates

94. INTRODUCTION TO THE HCUP NATIONWIDE INPATIENT SAMPLE (NIS), 2004
    hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2004.jsp
    January 01, 2004 - The NIS's large sample size enables analyses of rare conditions, such as congenital anomalies; uncommon … Detailed information on the design of the NIS is available in the year-specific special reports on Design … For more detailed descriptions of the sampling design, refer to the year-specific special reports Design … HCUP Database Reports are specific to the design and use of the HCUP databases. … These reports include descriptions of the design of each database, comparisons of HCUP data with other

95. Overview to the HCUP Nationwide Inpatient Sample (NIS), 1998
    hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_1998.jsp
    January 01, 1998 - The NIS's large sample size enables analyses of rare conditions, such as congenital anomalies; uncommon … Detailed information on the design of the NIS is available in the year-specific special reports on Design … For more detailed descriptions of the sampling design, refer to the year-specific special reports Design … Data Use Agreement for the Nationwide Inpatient Sample /Special Reports Includes: Design

96. INTRODUCTION TO THE HCUP KIDS' INPATIENT DATABASE (KID), 2016
    hcup-us.ahrq.gov/db/nation/kid/kid_2016_introduction.jsp
    January 01, 2016 - The KID's large sample size enables analyses of rare conditions, such as congenital anomalies and uncommon … The KID's large sample size enables analyses of rare conditions, such as congenital anomalies and uncommon … The HCUP Sampling Design tutorial is designed to help users learn how to account for sample design … These reports show that the KID's large sample size enables reliable national estimates. … Hospital Sample Design Design Considerations The overall design objective was to select a sample

97. C (pdf file)
    hcup-us.ahrq.gov/reports/methods/2010_05.pdf
    January 01, 2010 - size n gets larger. … The standard error of the mean approaches zero as the sample size n approaches the population size N … In particular, when the sample size n equals the population size N, the sample becomes a census and … If the sample size is less than the population size then different samples are possible and the standard … associated with probability samples of various designs and the objective is to account for the sample design

98. Overview to the HCUP Nationwide Inpatient Sample (NIS), 2002
    hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2002.jsp
    January 01, 2002 - The NIS's large sample size enables analyses of rare conditions, such as congenital anomalies; uncommon … Detailed information on the design of the NIS is available in the year-specific special reports on Design … For more detailed descriptions of the sampling design, refer to the year-specific special reports Design … reports Design of the HCUP Nationwide Inpatient Sample which can be found on the NIS Documentation … /Special Reports Includes: Design of the Nationwide Inpatient Sample, 2002 (PDF file)

99. Microsoft Word - CaseforPOAIndicator_final_060806 _2_.doc (pdf file)
    hcup-us.ahrq.gov/reports/methods/2006_9.pdf
    January 01, 2006 - One of the most distinctive features of the NIS is that its large sample size allows for the study of … Although the smaller sample size rendered NHDS estimates less precise than NIS estimates, the complete … Because of the limited sample size, valid estimates were not available for all breakdowns of the NHDS … We must emphasize that the NIS provides a large sample size that tends to yield estimates with much … Where a comprehensive geographic representation is more important than a large sample size, and the

100. THE HCUP NATIONWIDE EMERGENCY DEPARTMENT SAMPLE (NEDS), 2019
     hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2019.jsp
     January 01, 2019 - One of the most distinctive features of the NEDS is its large sample size, which allows for analysis … The HCUP Sample Design tutorial is designed to help users learn how to account for sample design in their … The HCUP Sample Design tutorial is designed to help users learn how to account for sample design in their … A sample size of 20 percent was based on previous experience with similar research databases. … size and/or a coefficient of variation >30 percent.