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61. 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.

62. 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.

63. 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

64. C:\unzipped\Methods Series Reports to Convert\Comparison_Report_NIS4 1995.wpd (pdf file)
    hcup-us.ahrq.gov/reports/methods/Comparison_Report_NIS41995Final.pdf
    December 21, 1998 - For NHDS statistics, standard errors were calculated as described in the Appendix. … This is due to the fact that valid NHDS standard errors for in-hospital mortality could not be calculated … performed for five in-hospital mortality rate estimates due to the unavailability of valid standard errors … The standard errors were calculated as follows.

65. 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.

66. C:\unzipped\Methods Series Reports to Convert\Comparison_Report_NIS1 1988-92.wpd (pdf file)
    hcup-us.ahrq.gov/reports/methods/Comparison_Report_NIS11988-92Final.pdf
    July 11, 1996 - For NHDS statistics, standard errors were calculated as described in the Appendix. 9 RESULTS Comparisons … mortality rates yielded valid significance tests for only four categories, since valid NHDS standard errors … mortality rate estimates for the majority of categories due to the unavailability of valid standard errors … The standard errors were calculated as follows.

67. 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

68. Microsoft Word - deliverable45_01.doc (pdf file)
    hcup-us.ahrq.gov/reports/methods/2008_01.pdf
    January 01, 2008 - The NIS provides a large sample size that tends to yield estimates with much smaller standard errors

69. Microsoft Word - CaseforPOAIndicator_final_060806 _2_.doc (pdf file)
    hcup-us.ahrq.gov/reports/methods/2006_9.pdf
    January 01, 2006 - 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

70. 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

71. HCUP_methods_series_cover.ai (pdf file)
    hcup-us.ahrq.gov/reports/methods/2005_03_del_379.pdf
    January 01, 2005 - 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

72. 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.

73. 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

74. 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

75. C:\unzipped\Methods Series Reports to Convert\Comparison_Report_NIS2 1993.wpd (pdf file)
    hcup-us.ahrq.gov/reports/methods/Comparison_Report_NIS21993Final.pdf
    April 03, 1997 - For NHDS statistics, standard errors were calculated as described in the Appendix. 9 RESULTS Comparisons … This is due to the fact that valid NHDS standard errors for in-hospital mortality could not be calculated … performed for two in-hospital mortality rate estimates due to the unavailability of valid standard errors … The standard errors were calculated as follows.

76. Exhibit 4.2. Average Charges for the Most Frequent Conditions
    hcup-us.ahrq.gov/reports/factsandfigures/figures/2005/2005_4_2.jsp
    January 01, 2005 - 354.163 13 Cancer of stomach 60,800 5,700 10.7 24.9 1,515.379 Standard Errors

77. 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

78. HCUP_methods_series_cover.ai (pdf file)
    hcup-us.ahrq.gov/reports/methods/2005_06.pdf
    January 01, 2005 - severity/comorbidity adjustment for the discharge-based IQIs and PSIs, and derivation of standard errors … Standard errors calculations for the disparities analysis file were based on the HCUP report entitled … 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.

79. HCUP_methods_series_cover.ai (pdf file)
    hcup-us.ahrq.gov/reports/methods/2004-05.pdf
    January 01, 2004 - severity/comorbidity adjustment for the discharge-based IQIs and PSIs, and derivation of standard errors … Standard errors calculations for the disparities analysis file were based on the HCUP report entitled … 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.

80. Microsoft Word - CaseforPOAIndicator_final_060806 _2_.doc (pdf file)
    hcup-us.ahrq.gov/reports/methods/2006_8.pdf
    January 01, 2006 - severity/comorbidity adjustment for the discharge-based IQIs and PSIs, and derivation of standard errors … Standard errors calculations for the disparities analysis file were based on the HCUP report entitled … 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.