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Total Results: 3,163 records

Showing results for "study".

241. The Incident User Design in Comparative Effectiveness Research | Effective Health Care (EHC) Program
     effectivehealthcare-admin.ahrq.gov/products/incident-user-design/research
     August 01, 2019 - What tradeoffs do investigators face when deciding where their study will fall on the continuum from … We review case studies where investigators have explored the consequences of designing a cohort study … Although the recommendations could apply to any non-randomized study—regardless of why the data were … Steering Committee of the Physicians’ Health Study Research Group. … Findings from the aspirin component of the ongoing Physicians’ Healthy Study.

242. Future Research Needs for Hematopoietic Stem-Cell Transplantation in the Pediatric Population (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/stem-cell-children-future_research.pdf
     February 01, 2012 - Study design evaluations for research question 1.1 Study Design Considerations Randomized Trial … Study design evaluations for research questions 2.1 and 2.2 Study Design Considerations Randomized … Study design evaluations for research questions 2.1 and 2.2 (continued) Study Design Considerations … List of recently published studies (continued) Research Gap Study Study Objective Research Design … List of recently published studies (continued) Research Gap Study Study Objective Research Design

243. Amended Protocol: Maternal and Childhood Outcomes Associated with the Special Supplemental Nutrition Program for Women, Infants and Children (WIC) (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/product/pdf/wic-outcomes-nutrition-protocol-amended.pdf
     October 01, 2020 - The articles will not be excluded based on the study design and outcome at this level. … For all articles, reviewers will extract information on general study characteristics (e.g., study design … As with quantitative studies, we will extract information on general study characteristics (e.g., study … design, reason for doing the study, theoretical framework, study period, data source/methods, geographic … Two reviewers will independently evaluate the risk of bias of each study.

244. Chronic Urinary Retention (CUR) Treatment | Effective Health Care (EHC) Program
     effectivehealthcare-admin.ahrq.gov/products/chronic-urinary-retention/research-protocol
     December 01, 2020 - Study inclusion criteria Category Criteria for Inclusion Abbreviations: BPH = benign … For studies of low-to-moderate risk of bias, one investigator will abstract relevant study, population … Study results will be analyzed and synthesized separately for each etiology. … Consistency will be rated as consistent, inconsistent, or unknown/not applicable (e.g., single study) … Study characteristics that may affect applicability include, but are not limited to, the specific CUR

245. Traumatic Brain Injury and Depression (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/depression-brain-injury-surveillance-160902.pdf
     January 30, 2014 - We"included"systematic"reviews"and"metaKanalyses,"whether"or"not"they" were"included"(as"a"study"design … .9"The"second" study,"suggested"for"Key"Question"4,"was"a"RCT"examining"manualized"CBT"for"individuals … $The$ study$did$not$meet$study$ design$criteria,$nor$did$it$ report$comorbidity$specific$ to$individuals … $ One$new$study$found$that$ a$six"week,$internet"based$ A$randomized$crossover$ study$comparing$ … $The$ study$did$not$meet$study$ design$criteria,$nor$did$it$ present$data$specific$to$ individuals

246. Comparative Effectiveness of Adjunctive Devices to Remove Thrombi or Protect Against Distal Embolization in Patients with Acute Coronary Syndrome Undergoing Percutaneous Coronary Intervention of Native Vessels | Effective Health Care (EHC) Program
     effectivehealthcare-admin.ahrq.gov/products/acs-pci-adjunctive-devices/research-protocol
     December 01, 2019 - Data abstracted from each study will include interventions, study design, inclusion and exclusion criteria … Each study will be assessed for the following individual criteria: comparable study groups at baseline … Whether the study was designed as an RCT or an observational study will be recorded. … When only a single study is included, consistency cannot be judged. … (TAPAS): a 1-year follow-up study.

247. Omega 3 Fatty Acids and Cardiovascular Disease - Update | Effective Health Care (EHC) Program
     effectivehealthcare-admin.ahrq.gov/products/fatty-acids-cardiovascular-disease/research-protocol
     December 01, 2020 - What study designs are of value? … Similar study designs will be included. … , and study quality. … different baseline risks in each study, and for between-study heterogeneity. … Study Level Details Related to Causality Study Characteristics Study Details Study

248. Psychosocial and Pharmacologic Interventions for Disruptive Behavior Disorder | Effective Health Care (EHC) Program
     effectivehealthcare-admin.ahrq.gov/products/disruptive-behavior-disorder/research-protocol
     December 01, 2019 - OR Quantitative Study OR Treatment Outcome/Clinical Trial OR Longitudinal Study OR Followup Study OR … OR Quantitative Study OR Treatment Outcome/Clinical Trial OR Longitudinal Study OR Followup Study OR … Retrospective Study OR Prospective Study OR Field Study) 1200 8 #3 AND #4 AND #5 AND #6 AND … OR Quantitative Study OR Treatment Outcome/Clinical Trial OR Longitudinal Study OR Followup Study OR … Retrospective Study OR Prospective Study OR Field Study) 398 16 #11 AND #12 AND #13 AND #14

249. Self-Measured Blood Pressure Monitoring | Effective Health Care (EHC) Program
     effectivehealthcare-admin.ahrq.gov/products/measuring-blood-pressure/research-protocol
     March 01, 2020 - The additional interventions preferentially should be the same in both study groups (both those with … Study Design: same as for KQ 1. KQ 3 Population: same as for KQ 1. … Study Design: same as for KQ 1. KQ 4 Population: same as for KQ 1. … Study Design: same as for KQ 1. KQ 5 Population: same as for KQ 1. … Studies of different study designs will be graded within the context of their study design.

250. Schedule of Visits and Use of Telemedicine for Routine Antenatal Care: A Systematic Review Protocol (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/antenatal-care.pdf
     January 01, 2020 - No study type filters are used in any search query, so all study types will be retrieved, including … For each study, we will extract publication data, study design features, population characteristics, … For each study, we will extract publication data, study setting, and study design features (e.g., … study designs. … Each study will be described in summary and evidence tables presenting study design features, study

251. Diagnosis of Right Lower Quadrant Pain and Suspected Acute Appendicitis | Effective Health Care (EHC) Program
     effectivehealthcare-admin.ahrq.gov/products/appendicitis/research-protocol
     December 01, 2019 - design, risk of bias assessment) from the full text of primary study publications. … A single reviewer will extract data from each eligible study. … Studies of different designs will be graded within the context of their study design. … methods, and outcomes among study designs. … Results of a prospective multicenter acute abdominal pain study and a review of the literature.

252. Comparative Effectiveness of Drug Therapy for Psoriatic Arthritis in Adults – An Update to the 2007 Report | Effective Health Care (EHC) Program
     effectivehealthcare-admin.ahrq.gov/products/arthritis-psoriatric/research-protocol
     December 01, 2019 - If both reviewers agree that a study does not meet the eligibility criteria, the study will be excluded … In general terms, a “good” study has the least bias and results are considered to be valid. … A “fair” study is susceptible to some bias but probably not sufficient to invalidate its results. … Two independent reviewers will assign quality ratings to each study. … Therefore study questions, study designs, and/or methodological approaches do not necessarily represent

253. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/hepatitis-c-treatment-adherence_research-protocol.pdf
     September 13, 2011 - process for study selection. … trial, prospective cohort study, retrospective cohort study, case-control study), whether the study … of study, and number of study centers. … Generally, a good-quality study meets all criteria for that study design; a fair-quality study does … setting (e.g., country of study), study design, sample size, study quality, patient characteristics

254. Summary Variables in Observational Research: Propensity Scores and Disease Risk Scores | Effective Health Care (EHC) Program
     effectivehealthcare-admin.ahrq.gov/products/observational-research-scores/research
     January 01, 2019 - Sound research depends on sound study design. … through study design, analysis or both. … Figure 1 shows study design taxonomy. … In the rosuvastatin study, 4 a matching ratio of up to 1:4 was used to improve study power by increasing … Performance of propensity score calibration—a simulation study.

255. Breastfeeding Programs and Policies, Breastfeeding Uptake, and Maternal Health Outcomes in Developed Countries Evidence Summary (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/cer-210-breastfeeding-evidence-summary.pdf
     January 01, 2020 - ),64 Sri Lanka (1 study),61 Brazil (2 studies),65, 69 China (1 study),58 and various European countries … A study to promote breast feeding in the Helsinki Metropolitan area in Finland. … Epidemiologic study of malignancies of the ovaries. Cancer. 1966 Jul;19(7):1001-7. … HUNT study. … An epidemiologic study of hip fracture in postmenopausal women.

256. S50 (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/s50.pdf
     October 01, 2007 - Alter- native study designs should be considered. … Create a study database suitable for statistical analyses. 5. … patients are involved in study design, defining study vari- ables, study execution, data analysis, and … implementation of study findings. … Another key advantage of PBE-CPI study methods is cost.

257. AHRQ Slide Template 2009 (ppt file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/data-extraction.ppt
     January 01, 2009 - Study types include randomized trial, observational study, diagnostic test study, prognostic factor study … being extracted, which may be a randomized trial, an observational study, a diagnostic test study, a … prognostic factor study, a family-based or population-based genetic study, et cetera. … Data Elements: Timing and Study Design The data elements to be extracted vary by type of study. … trial, cross-sectional study, longitudinal study, case-control study, et cetera.

258. Expanded Guidance on Selected Quantitative Synthesis Topics | Effective Health Care (EHC) Program
     effectivehealthcare-admin.ahrq.gov/products/quantitative-synthesis-expanded-methods/methods
     December 01, 2019 - Distributions of meta-analysis results (summary odds ratio and between-study variance) in subsets of … illness of the study population, then: Consider a control rate meta-regression to explain between-study … Types of studies included Study design Specify what type of study designs are being combined (e.g … study design, target population, study population, baseline risk and other important PICOS study characteristics … combined study estimates based on the type of data and choice of effect measure.

259. Systematic Review on Opioid Treatments for Chronic Pain: Surveillance Report 3 (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/opioid-chronic-pain-surveillance-report-3.pdf
     June 01, 2022 - ‡ One study identified from reference list. … '/de OR 'cross-sectional study'/de OR 'double blind procedure'/de OR 'major clinical study'/de OR 'meta … analysis'/de OR 'multicenter study'/de OR 'observational study'/de OR 'prospective study'/de OR 'randomized … long-acting opioids Overdose 1 cohort study and 1 new case-control study 840,606 (cohort study … dose maintenance Pain, function 1 RCT and 1 cohort study 140 (RCT) and 53,187 (cohort study)

260. Treatments for Fecal Incontinence | Effective Health Care (EHC) Program
     effectivehealthcare-admin.ahrq.gov/products/fecal-incontinence/research-protocol
     December 01, 2019 - Study inclusion criteria Category Criteria for Study Inclusion KQ = key question; RCT … For individual trials, one investigator trained in research methodology will extract relevant study, … Study limitations will be rated as low, moderate, or high according to study design and conduct. … Prospective study of conservative and operative treatment for faecal incontinence. … Study design: prospective, retrospective, or mixed?