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1901. Figure 3 : NIS Hospital Sampling Frame, by Year
      hcup-us.ahrq.gov/figures/3_01.jsp
      Figure 3 : NIS Hospital Sampling Frame, by Year Figure 3 : NIS Hospital Sampling Frame, by Year Year 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 Number of Hospitals 1,247 1,658 1,620 1,604 1,591 2,168 2,135 2,284 2,268 2,452…

1902. HCUP_methods_series_cover.ai (pdf file)
      hcup-us.ahrq.gov/reports/methods/TrendReport2005_1.pdf
      March 19, 2004 - For this analysis we drew 500 samples using the old sample design, with and without the preference for … A comparison of the distribution of estimates across the 500 samples showed that removing the longitudinal … Adjustments to the Stratification Variables In redesigning the sample, we did not simulate NIS samples … of mental health and substance abuse (MHSA) between 1988 and 1997 using one of the NIS 10-percent samples … While we encourage the use of the 10-percent samples for preliminary analyses, we recommend that final

1903. 2006 05 Nistrendsreport 1988-2004A (pdf file)
      hcup-us.ahrq.gov/reports/methods/2006_05_NISTrendsReport_1988-2004A.pdf
      January 01, 2006 - For this analysis we drew 500 samples using the old sample design, with and without the preference for … A comparison of the distribution of estimates across the 500 samples showed that removing the longitudinal … Discontinued the preference for NIS hospitals included in prior samples 4. … categories of mental health and substance abuse between 1988 and 1997 using one of the NIS 10 percent samples

1904. Kid 1997 Designreport (pdf file)
      hcup-us.ahrq.gov/db/nation/kid/reports/Kid_1997_designreport.pdf
      January 01, 1997 - Potthoff, Woodbury, and Manton ) have been developed to draw inferences using weights from complex samples

1905. Wp 12005 (pdf file)
      meps.ahrq.gov/data_files/publications/workingpapers/wp_12005.pdf
      August 01, 2012 - The MEPS is directly related to the NHIS because MEPS samples are selected from responding households … 7    Table 1: Relationship between MEPS panels in 2007 FY file and 2005 and 2006 NHIS annual samples

1906. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
      hcup-us.ahrq.gov/db/nation/nis/2006NIS_INTRODUCTION.pdf
      November 01, 2015 - 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. … This deviates from the procedure used for earlier samples, which maximized the longitudinal component … HCUP NIS (11/17/15) 22 Introduction Zero-Weight Hospitals Beginning with the 1993 NIS, the NIS samples … For a description of zero-weight hospitals in the 1988-1992 samples, refer to the special report: Design

1907. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
      hcup-us.ahrq.gov/db/nation/nis/NIS_2008_INTRODUCTION.pdf
      January 01, 2008 - 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

1908. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
      hcup-us.ahrq.gov/db/nation/nis/NIS_2007_INTRODUCTION.pdf
      January 01, 2007 - 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. … This deviates from the procedure used for earlier samples, which maximized the longitudinal component … HCUP NIS (7/14/2016) 24 Introduction Zero-Weight Hospitals Beginning with the 1993 NIS, the NIS samples … For a description of zero-weight hospitals in the 1988-1992 samples, refer to the special report: Design

1909. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
      hcup-us.ahrq.gov/db/nation/nis/NIS_2009_INTRODUCTION.pdf
      January 01, 2009 - 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

1910. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
      hcup-us.ahrq.gov/db/nation/nis/NISIntroduction2010.pdf
      November 01, 2015 - 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

1911. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
      hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2011.pdf
      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

1912. Design of the HCUP KIDS' Inpatient Database (KID), 2003
      hcup-us.ahrq.gov/db/nation/kid/reports/KID_design_rpt_2003.jsp
      January 01, 2003 - Standard formulas for stratified, two-stage cluster samples without replacement may be used to calculate

1913. Methodology Report #23: Design, Methods, and Field Reports of the Medical Expenditure Panel Survey Medical Provider Component (MEPS MPC)--2006 Calendar Year Data (pdf file)
      meps.ahrq.gov/data_files/publications/mr23/mr23.pdf
      November 01, 2008 - Instruments and Data Collection Procedures MPC samples are fielded on an ongoing basis as health care

1914. Methodology Report #23: Design, Methods, and Field Results of the Medical Expenditure Panel Survey Medical Provider Component (MEPS MPC)—2006 Calendar Year Data
      meps.ahrq.gov/data_files/publications/mr23/mr23.shtml
      November 01, 2008 - Return to Table of Contents Instruments and Data Collection Procedures MPC samples are fielded on

1915. MAINTAIN AND EXPAND (pdf file)
      hcup-us.ahrq.gov/db/nation/kid/reports/KID_2003_Design_Edited_013006.pdf
      January 01, 2003 - Standard formulas for stratified, two-stage cluster samples without replacement may be used to calculate

1916. MEPS HC-173: 2014 Full Year Clinical Preventive Care Services SAQ
      meps.ahrq.gov/data_stats/download_data/pufs/h173/h173doc.shtml
      December 01, 2016 - Samples were selected independently within the eight strata after sorting in a way that limited the

1917. Methodology Report #1: Design and Methods of the Medical Expenditure Panel Survey Household Component (pdf file)
      meps.ahrq.gov/data_files/publications/mr1/mr1.pdf
      December 31, 1997 - These two panel samples (the 1996 MEPS sample and the new MEPS selections from the 1996 NHIS) will jointly

1918. 2017-01 (pdf file)
      hcup-us.ahrq.gov/reports/methods/2017-01.pdf
      January 01, 2017 - superpopulation model, procedures have been developed to draw inferences using weights from complex samples

1919. Methodology Report 32: Design, Methods, and Field Results of the MEPS MPC including the MOS-2016 Data Year (pdf file)
      meps.ahrq.gov/data_files/publications/mr32/mr32.pdf
      October 01, 2018 - MPC Instruments and Data Collection Procedures MPC samples are fielded on an ongoing basis as health

1920. Adverse Events Among In-Hospital Medicare Patients in 2021 and 2022 (pdf file)
      datatools.ahrq.gov/action-alliance/wp-content/uploads/sites/8/2025/09/qsrs-2021-2023-adverse-event-data-report.pdf
      January 01, 2025 - services through the Indian Health Service (IHS).xiv The estimates for this report are based on annual samples … The percentage of patients in the samples of records representing each of the hospital cohorts 2.