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Total Results: 1,264 records

Showing results for "sample".

161. Comparative Effectiveness Review Disposition of Comments Report: Anxiety in Children (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/disposition-of-comments-cer-192-anxiety-in-children.pdf
     August 31, 2017 - When there is a sufficient sample of studies we examine disorders separately. … that only includes patients with one of these presenting problems against a sample that includes … “other” comparison as there is not a sufficient sample of homogenous “other interventions” to examine … “other” comparison as there is not a sufficient sample of homogenous “other interventions” to examine … “other” comparison as there is not a sufficient sample of homogenous “other interventions” to examine

162. Cannabis-2023-Surv-Rep-4-Tables-F1-F-2 (xls file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/cannabis-2023-surv-rep-4-tables-F1-F-2.xlsx
     January 01, 2023 - Risk of bias of cannabis cohort studies Author, Year Did the Study Attempt To Enroll All (or a Random Sample

163. Cannabis-2022-Surv-Rep-4-Tables-G1-2 (xls file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/cannabis-2022-surv-rep-4-tables-G1-2.xlsx
     January 01, 2022 - Risk of bias of cannabis cohort studies Author, Year Did the Study Attempt To Enroll All (or a Random Sample

164. Cannabis-2023-Surv-Rep-1-App-G (xls file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/cannabis-2023-surv-rep-1-app-G.xlsx
     January 01, 2023 - Risk of bias of cannabis cohort studies Author, Year Did the Study Attempt To Enroll All (or a Random Sample

165. Covariate Selection for Observational Comparative Effectiveness Research
     effectivehealthcare.ahrq.gov/sites/default/files/considerations-for-statistical-chapter-10.pptx
     January 01, 2013 - Univariate or unadjusted hypothesis testing, such as two-sample t-tests, can be conducted to identify … Unadjusted Analysis Univariate or unadjusted hypothesis testing, such as two-sample t-tests, can be conducted … Complete-case analysis for subjects with no missing data: Can reduce sample size, limiting efficiency … However, an initial limitation with this approach is that sample size is reduced, which affects efficiency

166. A Prospective Comparison of Evidence Synthesis Search Strategies Developed With and Without Text-Mining Tools (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/methods-results-search-strategies-developed-with-without-text-mining-tools.pdf
     March 01, 2021 - • TMTs searches appear less sensitive than UP searches in all but one project, but the small sample … Again, the small sample size precludes significance • TMTs neither affected search evaluation time … The target was set to achieve as large a sample as possible within the project timeframe (1 year). … Because of the small sample size, the analysis was limited to descriptive measures, including means, … Finally, the sample size of librarians was small and all had years of experience, so we were not able

167. AHRQ Slide Template 2009 (ppt file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/selecting-evidence.ppt
     January 01, 2010 - Precision Includes sample size, number of studies, and heterogeneity of effect sizes Reporting bias Extent … (II) Precision is the degree of certainty surrounding a result and is determined by sample size, number … Few studies have sufficient sample sizes or duration to adequately assess uncommon or long-term harms … Criteria commonly used to screen OSs for inclusion in CERs: Minimum duration of followup Minimum sample … These criteria may include minimum duration of followup, minimum sample size, a defined threshold for

168. AHRQ Slide Template 2009 (ppt file)
     effectivehealthcare.ahrq.gov/sites/default/files/selecting-evidence.ppt
     January 01, 2010 - Precision Includes sample size, number of studies, and heterogeneity of effect sizes Reporting bias Extent … (II) Precision is the degree of certainty surrounding a result and is determined by sample size, number … Few studies have sufficient sample sizes or duration to adequately assess uncommon or long-term harms … Criteria commonly used to screen OSs for inclusion in CERs: Minimum duration of followup Minimum sample … These criteria may include minimum duration of followup, minimum sample size, a defined threshold for

169. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/pressure-ulcer-prevention_research-protocol.pdf
     January 10, 2012 - Sample Size Case studies with only one patient or very small numbers of patients (e.g., <20 patients … If there are large numbers of includable studies for the KQ(s), we may determine a minimum sample-size … Sample Search Strategy (Ovid MEDLINE ® ) Concept Search String 1 Pressure ulcers Pressure Ulcer … or imprecise) We will also estimate publication bias by examining whether studies with smaller sample … Applicability will be estimated by examining the characteristics of the patient populations, the sample

170. Hawley-notes-151016 copy - Teresa (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/hawley-presentation.pdf
     May 29, 2025 -                                                               This table  is a  sample … And  in  this current study we   also  had Asian  patients in  our sample. 24               … We  were  able  to  examine  this in  our breast cancer sample.

171. Cancer Quality-ASSIST Supportive Oncology Quality Indicator Set: Feasibility, Reliability, and Validity Testing (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/cancer-quality-indicator-testing_research.pdf
     April 01, 2010 - ...........................................................................................1 Study Sample … Study Sample Study inclusion criteria differed somewhat between the sites, based on local populations … At JHH/SKCCC, after abstracting 148 medical records, we concluded that we had an adequate sample to … To assess inter-rater reliability (IRR), all nurses at each site abstracted a sample of records (5%, … nurse abstraction to a physician investigator (SMD) gold standard abstraction for the 9 record IRR sample

172. Emergency Medical Service/911 Workforce Infection Control and Prevention Issues (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/product/pdf/ems-911-workforce-protocol.pdf
     January 01, 2015 - Sample questions for the Key Informants include: 1) do they suggest any revision in our analytic framework … We also will capture the sample size of studies, recognizing that some studies may fail to find a significant … difference because of a small sample size.

173. Cer-250-Cannabis-2024-Surv-Rep-Update-Tables-F1-2 (xls file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer-250-cannabis-2024-surv-rep-update-tables-f1-2.xlsx
     January 01, 2024 - Risk of bias of cannabis cohort studies Author, Year Did the Study Attempt To Enroll All (or a Random Sample

174. Minimal Modeling Approaches to Value of Information Analysis for Health Research (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/methods-future-value-of-information_research.pdf
     June 01, 2011 - probability that health care technology is cost-effective; QALY = quality-adjusted life-year; SS = sample … to (p)ENBS; pEVPI = population expected value of information; pEVSI = population expected value of sample … We estimated a distribution of mean costs arising out of a sample size similar to that of the Phase … Determining optimal sample sizes for multi-stage randomized clinical trials using value of information … We then took an empty dataset with n observations, n corresponding to the treatment-specific sample

175. Research Protocol: Clostridium difficile Infection Update (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/c-difficile-update_research-protocol.pdf
     December 23, 2014 - Do performance measures vary with sample characteristics? c. … The form will be tested by investigators using an initial sample of included studies and will be finalized … bias assessment tool is similar to our approach, we will separately assess risk of bias on only a sample

176. Research White Paper_Outcome Measure Harmonization and Data Infrastructure for Patient-Centered Outcomes Research in Depression: Data Use and Governance Toolkit (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/outcomes-research-depression.pdf
     October 01, 2021 - Sample Data Use Agreement 1 Chapter 1. Introduction 1. … Sample workflow for sharing data externally Additional sample workflows for sharing data have been … https://seer.cancer.gov/data/sample- dua.html. Accessed March 15, 2021. 40. … Data Use Agreement [This is a sample framework only. … Sample Data Use Agreement

177. Living Systematic Review on Cannabis and Other Plant-Based Treatments for Chronic Pain: 2023 Update -- Surveillance Report 4 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/cannabis-2023-surv-rep-4.pdf
     January 01, 2023 - The new study was assessed as high risk of bias and had a small sample size (n=60).

178. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/heart-failure-natriuretic-peptide_research-protocol.pdf
     December 20, 2011 - Prior to performing the data extraction, a calibration exercise will be conducted using a random sample … The following will also be extracted: blood sample type for BNP measurement (plasma or serum), assay … accuracy outcomes, and the effect size for treatment monitoring; this domain is related to study sample … Loss to follow-up (from sample to study population) is not associated with key characteristics (i.e. … , the study data adequately represent the sample), sufficient to limit potential bias.

179. Template for Draft Reports (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/long-term-care-adults-future_research.pdf
     July 01, 2013 - Larger sample sizes will allow more research on subpopulations, and longer followup times will allow … Larger sample sizes will allow more research on subpopulations, and longer followup times will allow … Larger sample sizes will allow more research on subpopulations, and longer followup times will allow … However, our inability to collect a representative perspective from a larger sample of stakeholders … The sample size was limited by standards and guidelines for statistical surveys administered by the

180. Cer-250-Cannabis-2025-Surv-Rep-Update-Tables-F1-2 (xls file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer-250-cannabis-2025-surv-rep-update-tables-f1-2.xlsx
     January 01, 2025 - Risk of bias of cannabis cohort studies Author, Year Did the Study Attempt To Enroll All (or a Random Sample