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Showing results for "design sample size".

181. Trends in Hospital Inpatient Stays by Age and Payer, 2000-2015 #235
     hcup-us.ahrq.gov/reports/statbriefs/sb235-Inpatient-Stays-Age-Payer-Trends.jsp
     January 01, 2018 - The redesign incorporates two critical changes: Revisions to the sample design—starting … by reducing sampling error: for many estimates, confidence intervals under the new design are about … half the length of confidence intervals under the previous design. … The change in sample design for 2012 necessitates recomputation of prior years' NIS data to enable analyses … For a detailed description of HCUP and more information on the design of the National (Nationwide) Inpatient

182. 2007 HCUP Nationwide Inpatient Sample (NIS) Comparison Report
     hcup-us.ahrq.gov/db/nation/nis/reports/2007niscomparisonrpt.jsp
     May 01, 2016 - Where a comprehensive geographic representation is more important than a large sample size, these resources … Because NIS estimates have greater precision, a result of the large sample size, it may be preferred … Because of the smaller sample size, reliable measures of ALOS and mortality were unavailable from the … (a) Because of very small sample size, the NHDS estimate and standard error were unreliable and not reported … (a) Because of very small sample size, the NHDS estimate and standard error were unreliable and not reported

183. Filespecifications Nrd 2020 Hospital
     hcup-us.ahrq.gov/db/nation/nrd/stats/FileSpecifications_NRD_2020_Hospital.TXT
     January 01, 2020 - Data Set Name: NRD_2020_HOSPITAL Created on 11/23/2022 Number of Observations: 2539 Total Number of Data Elements: 12 Columns Description ======== =========== 1 - 3 Database name 5 - 8 Discharge year of data 10 - 35 File name 37 - 40 Data element number 42 - 70 …

184. Filespecifications Nrd 2022 Hospital
     hcup-us.ahrq.gov/db/nation/nrd/stats/FileSpecifications_NRD_2022_Hospital.TXT
     January 01, 2022 - Data Set Name: NRD_2022_HOSPITAL Created on 11/06/2024 Number of Observations: 2505 Total Number of Data Elements: 12 Columns Description ======== =========== 1 - 3 Database name 5 - 8 Discharge year of data 10 - 35 File name 37 - 40 Data element number 42 - 70 Data eleme…

185. Filespecifications Nrd 2021 Hospital
     hcup-us.ahrq.gov/db/nation/nrd/stats/FileSpecifications_NRD_2021_Hospital.TXT
     January 01, 2021 - Data Set Name: NRD_2021_HOSPITAL Created on 12/29/2023 Number of Observations: 2505 Total Number of Data Elements: 12 Columns Description ======== =========== 1 - 3 Database name 5 - 8 Discharge year of data 10 - 35 File name 37 - 40 Data element number 42 - 70 Data eleme…

186. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
     hcup-us.ahrq.gov/db/nation/kid/Introduction_to_KID_2000.pdf
     January 01, 2000 - The KID's large sample size enables analyses of rare conditions, such as congenital anomalies and uncommon … For detailed information on the design of the KID, refer to the special report, Design of the Kids’ …  Data Use Agreement for the Kids’ Inpatient Database (PDF file) /Special Reports Includes:  Design

187. Filespecifications Nrd 2019 Hospital V2
     hcup-us.ahrq.gov/db/nation/nrd/stats/FileSpecifications_NRD_2019_Hospital_V2.TXT
     January 01, 2019 - Data Set Name: NRD_2019_HOSPITAL Created on 11/30/2022 Number of Observations: 2507 Total Number of Data Elements: 12 Columns Description ======== =========== 1 - 3 Database name 5 - 8 Discharge year of data 10 - 35 File name 37 - 40 Data element number 42 - 70 …

188. NEDS Overview
     hcup-us.ahrq.gov/nedsoverview.jsp
     July 01, 2025 - Key features of the 2022 NEDS database include: A large sample size, which provides sufficient

189. HCUP Using Multiple Years of Data Tutorial- Accessible Version
     hcup-us.ahrq.gov/tech_assist/trends/508/508course_2019.jsp
     January 01, 2019 - allows researchers to study rare conditions by combining multiple years of data to gain sufficient sample … size. … and Weights Let’s start by talking about the changes to Nationwide database design and weights … For example, major changes in the NIS sampling design occurred in 2012 to improve national estimates. … Specifically, two changes were discussed: 1) changes to nationwide database design and weights and 2)

190. 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 - See Design of the HCUP-3 Nationwide Inpatient Sample, Release 2, for more details on the design of the … A significance test was not performed because a valid standard error was not available. b The NHDS sample … size was too small to calculate a valid estimate of standard error. … A significance test was not performed because a valid standard error was not available. b The NHDS sample … size was too small to calculate a valid estimate of standard error. 18 190: Fetal distress and abnormal

191. HCUP Overview Presentation
     hcup-us.ahrq.gov/news/exhibit_booth/hcup_90_min_pres.jsp
     December 01, 2022 - Slide 29 KID Sample Design Starting HCUP Database The KID is drawn from … The KID is a systematic random sample design, 10 percent uncomplicated births and 80 percent … Slide 30 NEDS Sample Design Starting HCUP Database The NEDS is drawn from … Slide 31 NRD Sample Design Starting HCUP Database The NRD is drawn from … Slide 32 NASS Sample Design Starting HCUP Database The NASS is drawn from

192. HCUP PROJECT (pdf file)
     hcup-us.ahrq.gov/news/exhibit_booth/HCUPFactSheet.pdf
     March 23, 2022 - The KID's large sample size enables analyses of both common and rare conditions such as congenital anomalies

193. Checklist for Working with the NIS
     hcup-us.ahrq.gov/db/nation/nis/nischecklist.jsp
     September 01, 2025 - Return to top Research Design ⬜ Learn how to account for the NIS sampling design. … Accounting for the sampling design is critical for accurate analyses. … To learn more about the NIS sample design, view the Sample Design On-line Tutorial on the Tutorial … The sampling design of the NIS does not support State-level analyses. … ⬜ Account for the design of the NIS when calculating standard errors.

194. Description of Data Elements (pdf file)
     hcup-us.ahrq.gov/db/nation/nis/DataElements_NIS_2002_Hospital.pdf
     January 01, 2002 - For detailed information about the NIS sampling design, see the year-specific report on the Design of … When the sample size was sufficiently large, hospitals were stratified as public (HOSP_CONTROL=1), voluntary … 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

195. Healthcare Cost and Utilization Project (HCUP) NASS Notes
     hcup-us.ahrq.gov/db/vars/nass_stratum/nassnote.jsp
     August 01, 2019 - HOSP_LOCTEACH Ownership HOSP_CONTROL For detailed information about the NASS sampling design

196. Hospital Inpatient Statistics, 1996
     hcup-us.ahrq.gov/reports/natstats/his96/clinclas.htm
     September 01, 1999 - developing national estimates, for analyzing national trends, and for research that requires a large sample … size (e.g., care patterns for rare conditions such as congenital anomalies, frequency and distribution

197. INTRODUCTION TO THE HCUP KIDS' INPATIENT DATABASE (KID), 2003
     hcup-us.ahrq.gov/db/nation/kid/kid_2003_introduction_rpt.jsp
     January 01, 2003 - The KID's large sample size enables analyses of rare conditions, such as congenital anomalies and uncommon … For detailed information on the design of the KID, refer to the special report, Design of the Kidsï¿ … For detailed information on the design of the KID, refer to the special report, Design of the Kidsï¿ … /Special Reports Includes: Design of the Kids� Inpatient Database, 2003 (PDF file)

198. HCUP Frequently Asked Questions
     hcup-us.ahrq.gov/tech_assist/faq.jsp
     September 01, 2025 - The KID's large sample size enables analyses of common as well as rare conditions, such as congenital … A large sample size enables analyses of rare conditions (e.g., congenital anomalies) as well as uncommon … the necessary degrees of freedom required for estimation-especially helpful when working with small sample … sizes. 3 Moore BJ, White S, Washington R, Coenen N, Elixhauser A. … Can HCUP User Support assist with my study design and methodology?

199. Checklist for Working with the NEDS
     hcup-us.ahrq.gov/db/nation/neds/nedschecklist.jsp
     November 01, 2024 - Return to top Research Design ⬜ Learn how to account for the NEDS sampling design. … Accounting for the sampling design is critical for accurate analyses. … To learn more about the NEDS sample design, view the HCUP Sample Design tutorial on the HCUP Online … ⬜ Account for the design of the NEDS when calculating standard errors. … Hierarchical linear modeling (HLM) is one way to account for this design aspect of the NEDS.

200. Checklist for Working with the KID
     hcup-us.ahrq.gov/db/nation/kid/kidchecklist.jsp
     September 01, 2025 - Return to top Research Design ⬜ Learn how to account for the KID sampling design. … Accounting for the sampling design is critical for accurate analyses. … To learn more about the KID sample design, view the Sample Design On-line Tutorial on the Tutorial … The sampling design of the KID does not support State-level analyses. … ⬜ Account for the design of the KID when calculating standard errors.