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61. Motor Vehicle Crash Mortality among Northwest AI/AN (pdf file)
    hcup-us.ahrq.gov/datainnovations/raceethnicitytoolkit/or31.pdf
    October 08, 2012 - report • AI/ANs misclassified more frequently than other races/ethnicities • Misclassification errors … appear in both  Names, birthdates, SSN, etc. are compared  Probabilistic linkage – allow for errors

62. Microsoft Word - 2007_07.doc (pdf file)
    hcup-us.ahrq.gov/reports/methods/2007_07.pdf
    January 01, 2007 - • Standard Errors and Hypothesis Tests. … Standard errors calculations for the rates were based on the HCUP report entitled “Calculating Nationwide … For disparities analysis file estimates, the standard errors are calculated as described in the HCUP … We do not employ finite population correction factors in estimating standard errors. … Let SE1 and SE2 be the corresponding standard errors for the two rates.

63. Healthcare Cost and Utilization Project (HCUP) NIS Notes
    hcup-us.ahrq.gov/db/vars/dshospid/nisnote.jsp
    September 01, 2008 - Failed records have one or more of the following errors: Invalid diagnosis code * Invalid procedure … secondary payer Invalid physician identifier Invalid patient or employer ZIP Code. ** * These errors … Due to errors in the source data, the 2005 West Virginia SID did not include the hospitals below: DSHOSPID

64. Healthcare Cost and Utilization Project (HCUP) KID Notes
    hcup-us.ahrq.gov/db/vars/dshospid/kidnote.jsp
    September 01, 2008 - Failed records have one or more of the following errors: Invalid diagnosis code * Invalid procedure … secondary payer Invalid physician identifier Invalid patient or employer ZIP Code. ** * These errors … Due to errors in the source data, the 2005 West Virginia SID did not include the hospitals below: DSHOSPID

65. MAINTAIN AND EXPAND (pdf file)
    hcup-us.ahrq.gov/reports/methods/2000NISComparisonReportFinal.pdf
    February 28, 2003 - these sampling differences, statistics calculated from the NIS usually have much smaller standard errors … In addition, the NHDS does not provide valid estimates of standard errors for statistics calculated … The SAS software PROC SURVEYMEANS was used to compute standard errors for the NIS. … A description of the method used for calculating standard errors for the NHDS is given in Appendix C … Valid standard errors for in-hospital mortality rates could only be calculated for nine of the procedure

66. HCUP Sample Design: National Databases - Accessible Version
    hcup-us.ahrq.gov/tech_assist/sampledesign/508_compliance/index508_2018.jsp
    January 01, 2018 - Database (KID) KID Sample KID Strata KID Weight Variable KID Summary Common Errors … Common Errors Wrap-up Key Differences in Sample Design Key Points … Avoid common errors that result from misunderstanding of sample design. … Understanding the sample design of each database, will help you avoid these errors. … One of the most common errors is not weighting the NIS, NEDS, and KID data, when attempting to produce

67. HCUP_methods_series_cover.ai (pdf file)
    hcup-us.ahrq.gov/reports/methods/2006_3.pdf
    January 01, 2006 - the NHDS, and it was not always possible to calculate valid estimates of standard errors from the … The SAS software PROC SURVEYMEANS was used to compute standard errors for the KID and the NIS (refer … A description of the method used to calculate standard errors for the NHDS is provided in Appendix D … KID standard errors were generated for all statistics, including categories with small samples, such … In contrast, NHDS standard errors were often not available because of small sample sizes.

68. Table 2: NIS and NHDS Comparisons by Region, 1999 (pdf file)
    hcup-us.ahrq.gov/reports/methods/1999NISComparisonReportFinal.pdf
    March 08, 2002 - region, the NIS provides a large enough sample size to yield estimates with much smaller standard errors … As a result of these sampling differences, the NIS can be expected to have much smaller standard errors … The SAS software PROC SURVEYMEANS was used to compute standard errors for the NIS. … A description of the method used for calculating standard errors for the NHDS is given in Appendix A … for a description of comparison tests and an explanation of restrictions on calculating NHDS sample errors

69. C:\unzipped\Methods Series Reports to Convert\Comparison_Report_NIS6 1997.wpd (pdf file)
    hcup-us.ahrq.gov/reports/methods/Comparison_Report_NIS61997Final.pdf
    August 09, 2000 - description of the comparison tests and an explanation of restrictions on calculating NHDS standard errors … Standard errors can not be calculated directly from the NHDS data. … The MedPAR is not a sample, so there are no standard errors associated with MedPAR statistics. … This is due to the fact that valid NHDS standard errors for in-hospital mortality could not be calculated … The standard errors were calculated as follows.

70. NEDS Related Reports
    hcup-us.ahrq.gov/db/nation/neds/nedsrelatedreports.jsp
    June 01, 2024 - file, 317 KB; HTML ) Correction to 1988-2000 Instruction on How to Calculate Variances (Standard Errors

71. Summary (pdf file)
    hcup-us.ahrq.gov/reports/methods/KIDComp1997Final.pdf
    March 16, 2001 - description of the comparison tests and an explanation of restrictions on calculating NHDS standard errors … Standard errors cannot be calculated directly from the NHDS data. … Because valid standard errors were not available for all NHDS estimates (see Appendix), close to half … Because valid standard errors were not available for all NHDS estimates (see Appendix), close to half … The standard errors were calculated as follows.

72. Kid 1997 Comparison (pdf file)
    hcup-us.ahrq.gov/db/nation/kid/reports/KID_1997_Comparison.pdf
    January 01, 1997 - description of the comparison tests and an explanation of restrictions on calculating NHDS standard errors … Standard errors cannot be calculated directly from the NHDS data. … Because valid standard errors were not available for all NHDS estimates (see Appendix), close to half … Because valid standard errors were not available for all NHDS estimates (see Appendix), close to half … The standard errors were calculated as follows.

73. HCUP_methods_series_cover.ai (pdf file)
    hcup-us.ahrq.gov/reports/methods/2003_04.pdf
    January 01, 2003 - We do not employ finite population correction factors in estimating standard errors. … Let SE1 and SE2 be the corresponding standard errors for the two rates. … HCUP standard errors were based on the HCUP report entitled “Calculating Nationwide Inpatient Sample … We do not employ finite population correction factors in estimating standard errors. … Let SE1 and SE2 be the corresponding standard errors for the two rates.

74. Microsoft Word - Deliverable #94.10 - Final 2001 NIS Comparison Report 10-2. (pdf file)
    hcup-us.ahrq.gov/reports/methods/NIS_Comparison_Report_2001.pdf
    January 01, 2001 - these sampling differences, statistics calculated from the NIS usually have much smaller standard errors … In addition, it was not always possible to calculate valid estimates of standard errors from the NHDS … The SAS software PROC SURVEYMEANS was used to compute standard errors for the NIS (see the NIS Variance … A description of the method used for calculating standard errors for the NHDS is provided in Appendix … for a description of comparison tests and an explanation of restrictions on calculating NHDS sample errors

75. Why the NIS should not be used to make State-level estimates
    hcup-us.ahrq.gov/db/nation/nis/nis_statelevelestimates.jsp
    January 01, 2016 - the NIS was not designed to be representative at the State level, design-based estimates of standard errors

76. Exhibit 3.3. Childbirth
    hcup-us.ahrq.gov/reports/factsandfigures/figures/2005/2005_3_3a.jsp
    January 01, 2005 - 2,847,900 2,988,800 2,873,900 2,930,800 2,806,300 2,876,700 2,826,500 Standard Errors

77. Exhibit 3.3. Childbirth
    hcup-us.ahrq.gov/reports/factsandfigures/figures/2005/2005_3_3b.jsp
    January 01, 2005 - 2,847,900 2,988,800 2,873,900 2,930,800 2,806,300 2,876,700 2,826,500 Standard Errors

78. Exhibit 1.1: Number and Characteristics of U.S. Hospitals
    hcup-us.ahrq.gov/reports/factsandfigures/figures/2005/2005_1_1a.jsp
    January 01, 2005 - 13 13 13 Population in millions†† 271.3944 293.6568 296.4104   Standard Errors

79. Exhibit 1.1: Number and Characteristics of U.S. Hospitals
    hcup-us.ahrq.gov/reports/factsandfigures/figures/2005/2005_1_1b.jsp
    January 01, 2005 - 13 13 13 Population in millions†† 271.3944 293.6568 296.4104   Standard Errors

80. Exhibit 3.3. Childbirth
    hcup-us.ahrq.gov/reports/factsandfigures/figures/2005/2005_3_3c.jsp
    January 01, 2005 - 2,847,900 2,988,800 2,873,900 2,930,800 2,806,300 2,876,700 2,826,500 Standard Errors