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Showing results for "sampling".

341. HCUP Statistical Brief #29: Adverse Drug Events in U.S. Hospitals, 2004 (pdf file)
     hcup-us.ahrq.gov/reports/statbriefs/sb29.pdf
     April 01, 2007 - Because the NIS is based on a sampling frame of statewide data-collection organizations, we examined … It is drawn from a sampling frame that contains hospitals comprising 88 percent of all discharges in

342. Clinical Classifications for Health Policy Research: Hospital Inpatient Statistics, 1995
     hcup-us.ahrq.gov/reports/natstats/his95/clinclas.htm
     January 01, 1999 - The HCUP sample is a stratified probability sample of hospitals in the frame, with sampling probabilities … Hospitals from HCUP-3 participating States (the sampling frame) are selected to represent these strata

343. Racial and Ethnic Disparities in Hospitals Patient Safety Events, 2005 (pdf file)
     hcup-us.ahrq.gov/reports/statbriefs/sb53.pdf
     June 01, 2008 - Sampling stratifiers include hospital region, bed size, ownership, teaching status, and urban/rural … account the clustering of patients within hospitals and the hospital stratification aspects of the sampling

344. Statistical Brief #98: Trends in Hospital Risk-Adjusted Mortality for Select Diagnoses by Patient Subgroups, 2000-2007 (pdf file)
     hcup-us.ahrq.gov/reports/statbriefs/sb98.pdf
     October 01, 2010 - account the clustering of patients within hospitals and the hospital stratification aspects of the sampling … It is drawn from a sampling frame that contains hospitals comprising about 95 percent of all discharges

345. Coronary Artery Disease, Acute Myocardial Infarction, and Ischemic Stroke Rates Among Inpatient Stays, 2001-2014 (pdf file)
     hcup-us.ahrq.gov/reports/statbriefs/sb241-Coronary-Artery-AMI-Stroke-Hospital-Stays-2001-2014.pdf
     January 01, 2014 - from the HCUP State Inpatient Databases (SID), 2001–2014, nationally weighted analysis files using a sampling … weighting strategy similar to that used in the 2011 Nationwide Inpatient Sample, but with a higher sampling

346. Methods – Applying HCUP Quality Indicators (pdf file)
     hcup-us.ahrq.gov/reports/methods/2012_03.pdf
     January 01, 2012 - There is no sampling error associated with Nielsen census population counts; therefore, appropriate … Preparing the Disparities Analysis File The sampling and weighting strategy used for the disparities … The sampling strata were defined based on five hospital characteristics: geographic region, hospital … • Hospitals were excluded from the sampling frame if the coding of patient race was suspect (i.e … For population counts based on Nielsen data, there is no sampling error.

347. Most Frequent Operating Room Procedures Performed in U.S. Hospitals, 2003-2012 #186
     hcup-us.ahrq.gov/reports/statbriefs/sb186-Operating-Room-Procedures-United-States-2012.jsp
     December 01, 2014 - It is drawn from a sampling frame that contains hospitals comprising more than 95 percent of all discharges … The new sampling strategy is expected to result in more precise estimates than those that resulted from … the previous NIS design by reducing sampling error: for many estimates, confidence intervals under the

348. Overview of Hospital Stays for Children in the United States, 2012 (pdf file)
     hcup-us.ahrq.gov/reports/statbriefs/sb187-Hospital-Stays-Children-2012.pdf
     January 01, 2012 - It is drawn from a sampling frame that contains hospitals comprising more than 95 percent of all discharges … The new sampling strategy is expected to result in more precise estimates than those that resulted from … the previous NIS design by reducing sampling error: for many estimates, confidence intervals under

349. Characteristics of Medicaid and Uninsured Hospitalizations, 2012 #182
     hcup-us.ahrq.gov/reports/statbriefs/sb182-Medicaid-Uninsured-Hospitalizations-2012.jsp
     October 01, 2014 - It is drawn from a sampling frame that contains hospitals comprising more than 95 percent of all discharges … The new sampling strategy is expected to result in more precise estimates than those that resulted from … the previous NIS design by reducing sampling error: for many estimates, confidence intervals under the

350. Delivery Hospitalizations Involving Preeclampsia and Eclampsia, 2005-2014 #222
     hcup-us.ahrq.gov/reports/statbriefs/sb222-Preeclampsia-Eclampsia-Delivery-Trends.jsp
     April 01, 2017 - It is drawn from a sampling frame that contains hospitals comprising more than 95 percent of all discharges … Over time, the sampling frame for the NIS has changed; thus, the number of States contributing to the … The new sampling strategy is expected to result in more precise estimates than those that resulted from … the previous NIS design by reducing sampling error: for many estimates, confidence intervals under the

351. Characteristics of Inpatient Stays Involving Hepatitis C, 2005-2014 #232
     hcup-us.ahrq.gov/reports/statbriefs/sb232-Hepatitis-C-Hospital-Stays-Trends.jsp
     December 01, 2017 - It is drawn from a sampling frame that contains hospitals comprising more than 95 percent of all discharges … Over time, the sampling frame for the NIS has changed; thus, the number of States contributing to the … The new sampling strategy is expected to result in more precise estimates than those that resulted from … the previous NIS design by reducing sampling error: for many estimates, confidence intervals under the

352. Characteristics of Inpatient Stays Involving Hepatitis C, 2005-2014 (pdf file)
     hcup-us.ahrq.gov/reports/statbriefs/sb232-Hepatitis-C-Hospital-Stays-Trends.pdf
     June 19, 2017 - It is drawn from a sampling frame that contains hospitals comprising more than 95 percent of all discharges … Over time, the sampling frame for the NIS has changed; thus, the number of States contributing to the … The new sampling strategy is expected to result in more precise estimates than those that resulted from … the previous NIS design by reducing sampling error: for many estimates, confidence intervals under

353. Delivery Hospitalizations Involving Preeclampsia and Eclampsia, 2005-2014 (pdf file)
     hcup-us.ahrq.gov/reports/statbriefs/sb222-Preeclampsia-Eclampsia-Delivery-Trends.pdf
     December 01, 2016 - It is drawn from a sampling frame that contains hospitals comprising more than 95 percent of all discharges … Over time, the sampling frame 25 for the NIS has changed; thus, the number of States contributing … The new sampling strategy is expected to result in more precise estimates than those that resulted from … the previous NIS design by reducing sampling error: for many estimates, confidence intervals under

354. Hcupnet Readmissions Methodology (pdf file)
     hcup-us.ahrq.gov/tech_assist/data_query/HCUPnet_Readmissions_Methodology.pdf
     November 01, 2012 - Over time, the sampling frame for the NRD will change; thus, the number of States contributing to the

355. Microsoft Word - Cover.doc (pdf file)
     hcup-us.ahrq.gov/db/nation/nis/APS-DRGsV20WeightsManual.pdf
     January 06, 2025 - Within each stratum, sampling probabilities are directly proportional to the number of hospitals located … Applying national sampling weights, these records represent more than 36 million discharges from community

356. NASS Overview
     hcup-us.ahrq.gov/nassoverview.jsp
     February 01, 2025 - The sampling of the NASS changed over time to capture emergent in-scope ambulatory surgeries (i.e., in-scope

357. Figure 5: Number of Hospitals Sampled, by Year
     hcup-us.ahrq.gov/figures/nis_figure5_2010.jsp
     January 01, 2010 - Figure 5: Number of Hospitals Sampled, by Year Figure 5: Number of Hospitals Sampled, by Year Years Regular Sample Hospitals Total Sample Hospitals 1988 758 759 1989 875 882 1990 861 871 1991 847 859 1992 838 856 1993 913   1994 …

358. Figure 5: Number of Hospitals Sampled, by Year
     hcup-us.ahrq.gov/figures/nis_figure5_2013.jsp
     January 01, 2013 - Figure 5: Number of Hospitals Sampled, by Year Figure 5: Number of Hospitals Sampled, by Year Years Regular Sample Hospitals Total Sample Hospitals 1988 758 759 1989 875 882 1990 861 871 1991 847 859 1992 838 856 1993 913   1994 …

359. Figure 5: Number of Hospitals Sampled, by Year
     hcup-us.ahrq.gov/figures/nis_figure5_2012.jsp
     January 01, 2012 - Figure 5: Number of Hospitals Sampled, by Year Figure 5: Number of Hospitals Sampled, by Year Years Regular Sample Hospitals Total Sample Hospitals 1988 758 759 1989 875 882 1990 861 871 1991 847 859 1992 838 856 1993 913   1994 …

360. Figure 5: Number of Hospitals Sampled, by Year
     hcup-us.ahrq.gov/figures/nis_figure5_2011.jsp
     January 01, 2011 - Figure 5: Number of Hospitals Sampled, by Year Figure 5: Number of Hospitals Sampled, by Year Years Regular Sample Hospitals Total Sample Hospitals 1988 758 759 1989 875 882 1990 861 871 1991 847 859 1992 838 856 1993 913   1994 …