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Total Results: 1,264 records

Showing results for "sample".

181. Comparative Effectiveness of Therapies for Women with Noncyclic Chronic Pelvic Pain (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/pelvic-pain_disposition-comments.pdf
     January 01, 2012 - The sample size calculations provided were particularly helpful. … reading Fig. 1 (pg. 23) I did wonder about the high number of studies (n=548) excluded due to low sample … As the report notes in the Methods section, we set a sample size cut off of 50 for treatment studies … Even using a generous sample size requirement of 50, few studies included enough participants.

182. EHC Protocol: Making Healthcare Safer IV: Deprescribing to Reduce Medication Harms in Older Adults (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/deprescribing-protocol.pdf
     July 01, 2023 - Depending on the expected volume of literature, the EPC team may opt to have a randomly selected 10% sample … will decide whether it has enough time and resources to ask a second team member to check a 10% sample … If resources permit we will have a second team member check a randomly selected 10% sample of the articles

183. Abnormal-Uterine-Bleeding Research-Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/abnormal-uterine-bleeding_research-protocol.pdf
     November 21, 2011 - We will not stipulate a minimum study sample size for included clinical research studies. … Ideally, studies will include an explanation of the sample size analysis (e.g., power calculation … Assessments of individual study eligibility based upon sample size will be conducted and fully described … of publication, study location (e.g., city, state), enrollment period, population description, sample … use established concepts of the quantity of evidence (e.g., numbers of studies, aggregate ending-sample

184. Evidence Report on the (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/depression-treatment-ssri_research-protocol.pdf
     June 15, 2010 - Sample size: There are no restrictions for study sample size. … Prior to performing the data extraction, a calibration exercise will be conducted using a random sample … will include study characteristics (e.g., first author, country of research origin, study design, sample … size, sample size calculation or power estimate); clinical indications; and study duration or length … Source: www.effectivehealthcare.ahrq.gov Published Online: June 15, 2010 withdrawals; 2) sample

185. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/autism-adolescents_research-protocol.pdf
     March 29, 2011 - A cutoff sample size of 20 provides a balance, allowing us to review and comment on adequate literature … In particular, the TEP noted that a sample size of 20 for studies of all types of interventions (e.g … ., medical, behavioral, etc.) takes into account the typically smaller sample sizes in the ASD literature … After reviewing a sample of relevant articles, the Methods and Content Leads will design the data-collection … publication, study location (e.g., country, city, state) and time period, population description, sample

186. Methods Research Report: Performance and Usability of Machine Learning for Screening in Systematic Reviews (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/methods-report-machine-learning-screening.pdf
     November 01, 2019 - Performance Testing Sample of Systematic Reviews We selected a convenience sample of three SRs completed … Appendix C shows sample calculations for the Antipsychotics SR using Abstrackr’s predictions. … We used a 200-record training set and a small sample of three SRs. … This study needs to be replicated on a larger sample of SRs and across a greater number of tools to … Sample Calculations Proportion Missed (i.e., error) Of the studies included in the final report, the

187. First- and Second-Generation Antipsychotics in Children and Young Adults: Systematic Review Update (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/antipsychotics-children-update-disposition-170621.pdf
     March 16, 2017 - ASD (ES, Key points) (for individual SGAs): “smaller sample sizes contributing to the SOE for each … TEP 7 Methods [page 68]: Authors mention precision evaluated "on the basis of sample size and, if size … Given the typical small sample sizes within studies, imbalance between groups is likely to occur. … We realized that 2 of the analyses did not split the sample size for one control group and we re-did … aripiprazole, quetiapine, and risperidone because of the precision in these estimates from larger sample

188. First- and Second-Generation Antipsychotics in Children and Young Adults: Systematic Review Update (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/antipsychotics-children-update-disposition-170621.pdf
     March 16, 2017 - ASD (ES, Key points) (for individual SGAs): “smaller sample sizes contributing to the SOE for each … TEP 7 Methods [page 68]: Authors mention precision evaluated "on the basis of sample size and, if size … Given the typical small sample sizes within studies, imbalance between groups is likely to occur. … We realized that 2 of the analyses did not split the sample size for one control group and we re-did … aripiprazole, quetiapine, and risperidone because of the precision in these estimates from larger sample

189. FRN 40 - Screening for Methicillin-Resistant Staphylococcus aureus (MRSA): Future Research Needs (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/mrsa-screening_research.pdf
     June 01, 2013 - Full or representative sample of surgical admissions: • Ambulatory care/ED admissions • Surgical … Full or representative sample of intensive care admissions with the potential to acquire MRSA. … Full or representative sample of general medical admissions with the potential to acquire MRSA. … Full or representative sample of intensive care admissions with the potential to acquire MRSA. … Availability of data should be high, since study sample data already collected.

190. The Effectiveness and Risks of Long-Term Opioid Treatment of Chronic Pain (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/chronic-pain-opioid-treatment_executive.pdf
     September 19, 2014 - risk prediction instruments, we attempted to create two-by-two tables from information provided (sample … risks (RR) and associated 95 percent confidence intervals (CI) based on the information provided (sample … , the country in which the study was conducted, the characteristics of the patient sample (e.g., age … Substance use disorders in a primary care sample receiving daily opioid therapy. … Addiction Severity Index in a chronic pain sample receiving opioid therapy.

191. Cer-266-Cdd-App-Tabs-D2-D5 (xls file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer-266-cdd-app-tabs-D2-D5.xlsx
     January 01, 2008 - RoB NRSI Author, Year Did the Study Attempt To Enroll All (or a Random Sample of) Patients Meeting Inclusion … Criteria (Inception Cohort), or a Consecutive Sample? … Diagnostic Accuracy Author, Year Cohort: Consecutive or Random Sample?

192. Masks-Appendix-Table-B-2-Version-2 (xls file)
     effectivehealthcare.ahrq.gov/sites/default/files/masks-appendix-table-b-2-version-2.xlsx
     January 01, 2007 - Date Retrieved Source Link/URL Study Design Study Dates Geographic Setting Setting Inclusion Criteria Sample

193. Appendix Table B-2. Observational Studies of Masks in the Community (xls file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/masks-appendix-table-b-2-version-1.xlsx
     January 01, 2007 - Date Retrieved Source Link/URL Study Design Study Dates Geographic Setting Setting Inclusion Criteria Sample

194. AHRQ's Evidence-based Practice Center Program: Annual Report 2024 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/wysiwyg/pdf/epc-year-in-review-2024.pdf
     January 01, 2024 - Efforts Informed by EPC Reports 4 Impact Snapshot The following Impact Snapshot provides a sample

195. S50 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/s50.pdf
     October 01, 2007 - RCTs use relatively simple computations and fairly small sample sizes, which were well suited to the … enormous resources are expended to locate individuals who meet selection criteria and achieve desired sample … For example, PBE-CPI studies to date have had sample sizes ranging from 1000 to 2500 patients and have … RCTs with similar sample sizes can cost more than 20 times as much and answer only a few questions. … Models for sample selection bias. Annu Rev Sociol. 1992;18:327–350. 13. Newhouse JP, McClellan M.

196. Comparative Effectiveness Review (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/osteoarthritis-pain-2006_appendixes.pdf
     January 01, 2006 - If relevant, the tables or text should include information on study design, sample size in each study … In addition, the individual evaluations should be weighted in some way (e.g., according to sample size … GI Safety in observational studies 149 Author, Year Sample size Population Duration (days … CV Safety in observational studies Author, Year Data source Sample size Population Exposure … CV Safety in observational studies Author, Year Data source Sample size Population Exposure

197. Intravascular Diagnostic Procedures and Imaging Techniques Versus Angiography Alone in Coronary Stenting: Future Research Needs (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/coronary-artery-stenting-future_research.pdf
     January 01, 2014 - • There is a moderate strength of evidence (on the basis of one large-sample-size nonrandomized study … To determine candidate study designs, study feasibility, and sample size calculations, we followed the … The feasibility of such studies, generally, does not depend on the desired sample size. … Resource Use, Size, and Duration An RCT, especially one with a long duration and large sample size, … Resource Use, Size, and Duration An RCT, especially one with a long duration and large sample size,

198. Point-Of-Care Research (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/point-of-care_research.pdf
     April 01, 2014 - We selected a sample of AHRQ EPC comparative effectiveness reviews, traced reports to publications, … 2 Methods We selected a convenience sample of AHRQ EPC CER reports for which to track citations … We arrived at a total sample of 23 reports. … In our convenience sample, we did not see trend in CER use by age of the CER. … A larger sample may provide categorization of topics to calculate rates of use using more appropriate

199. EHC Protocol: Addressing Social Isolation To Improve Health of Older Adults: A Rapid Evidence Review (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/making-healthcare-safer-IV.pdf
     August 04, 2023 - The EPC team will have a randomly selected 10% sample of excluded references checked by a second reviewer … A second team member will check a 10% sample of citations to verify that important studies were not … We will ask a second team member to check a randomly selected 10% sample of the excluded citations

200. PowerPoint Presentation (ppt file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/medical-test-reviews-genetic.ppt
     June 01, 2012 - Factors Obtaining, preserving, and storing samples before analysis Analytic Factors Type of assay, sample … Analytic variables include the type of assay chosen and its reliability, the type of sample, the methods … term=12181099 DNA-Based Assays Analyze the DNA itself Use a variety of sample sources (e.g., blood … A variety of DNA sample sources are available, such as blood, cheek swabs, and hair. … term=19141767 Sample Size Calculations It is important to assess whether sample size calculations