Results

Total Results: 3,172 records

Showing results for "study".

301. Quantitative Synthesis II: Interactive Quiz (ppt file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/selecting-evidence-quiz.ppt
     September 02, 2013 - Refocus the study question on the gaps in trial evidence. … You should refocus the study questions on gaps in trial evidence and search for observational studies … This type of bias can often be minimized through study design and appropriate implementation. … bias refers to systematic differences among comparison groups in the loss of participants from the study … Confounding by indication is a type of selection bias that occurs when study groups differ because they

302. Disposition of Comments for Epoetin and Darbepoetin for Managing Anemia in Patients Undergoing Cancer Treatment (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/cancer-anemia-update_disposition-comments.pdf
     April 25, 2013 - A single study of 1000 patients per arm (2000 total) with a control group on-study mortality rate of … However, when the BEST study was excluded, the point estimate for on-study mortality decreased from … The BEST study was the largest randomized ESA study included in the meta-analysis, and also included … the longest on-study period (12-months) while most other studies included a 3- to 6-month on-study … and Untch et al were excluded from the analysis since no on-study deaths occurred in either study.

303. Evidence-based Practice Center Future Research Needs (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/ongoing-studies-evidence_research.pdf
     December 01, 2010 - We assessed relevance of each ongoing study according to EPC report criteria for study inclusion. … Additionally, information about the study that helps predict the eventual study quality would also be … results than is described in registered study protocols.13,18 One recent study found that selective … Distribution of publication status by study topic and sponsor Study Topic and Sponsorship Not Published … or completed study results posted to a trials registry.

304. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/adhd_research-protocol.pdf
     August 10, 2010 - Sample size There are no restrictions for study sample size. … Key study elements will be reviewed by a second person (study investigator) with respect to study outcomes … study design, sample size, clinical indications; and study duration or length of follow-up). … with regards to comparability of study populations, treatments, and outcome measures. … Correlates of methylphenidate use in Canadian children: a cross-sectional study.

305. S116 (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/s116.pdf
     October 01, 2007 - ORIGINAL ARTICLE Evaluating the Validity of an Instrumental Variable Study of Neuroleptics Can Between-Physician … We sought to explore the validity of physician-level IV in a comparative study of short-term mortality … If there are unmeasured variables that are indepen- dent risk factors for the study outcome and also … METHODS Study Population and Data Sources Our study was conducted in a population of Medicare beneficiaries … One important limitation of our study concerns the generalizability of the results.

306. Depression-Treatment-Ssri Executive (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/depression-treatment-ssri_executive.pdf
     April 01, 2012 - publications are counted as a single study (with multiple publications). … This study was at low risk of bias. … The SOE was rated as low due to the potential imprecision of this study. Key Question 2. … Phenytoin as an augmentation for SSRI failures: A small controlled study. … Lithium augmentation in sertraline-resistant depression: A preliminary dose-response study.

307. Liver-Cancer Executive (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/liver-cancer_executive.pdf
     October 01, 2014 - One study reported harms. … No study reported harms associated with imaging for HCC staging. … No study on US with contrast reported harms. … No study evaluated specificity. … MRI Low One study reported similar accuracy.

308. Undescended-Testicle Executive (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/undescended-testicle_executive.pdf
     December 01, 2012 - See the full report for references to each study. 5 KQ1a. … One study was of good quality, 4 of fair quality, and 13 of poor quality. … The one good-quality study of US had an accuracy rate of 73 percent. … LHRH was compared with hCG and placebo in one study of fair quality. … Only one study assessing testicular descent was rated as good quality.

309. Disposition of Comments Report for Interventions for Feeding and Nutrition in Cerebral Palsy (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/cerebral-palsy-feeding_disposition-comments.pdf
     March 20, 2013 - We reviwed this citation and another related study (PMID 22699104). … The study used very strict inclusion criteria so that a homogenous study population of the most severely … As a result the study took 4 years rather than 2 to complete. … We re-examined the study and have added dat a on our outcomes of interest as reported in this study. … designs for all questions that are important in this field of study.

310. Calcineurin_Inhibitors_Protocol_FINAL_10-07-2014 (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/calcineurin-inhibitor_research-protocol.pdf
     October 08, 2014 - Elements to be abstracted include general study characteristics (e.g., country, setting, study design … '/exp OR 'controlled study' OR 'clinical trial'/exp OR 'clinical trial' OR 'comparative study'/exp OR … '/exp OR 'prospective study' OR 'retrospective study'/exp OR 'retrospective study' OR 'case control … study'/exp OR 'case control study' OR 'major clinical study'/exp OR 'major clinical study' OR 'evaluation … study'/exp OR 'evaluation study' OR random*:de OR random*:ti OR placebo* OR (singl* OR doubl* OR tripl

311. Hepatitis-C-Treatment-Adherence Executive (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/hepatitis-c-treatment-adherence_executive.pdf
     September 22, 2011 - We included a study if it met all of the following criteria: • The study was a randomized controlled … trial (RCT), a cohort study, or a case-control study published in the English language • Adult patients … Two independent reviewers assigned a quality rating for each study. … Generally, a good-quality study met all major criteria. … studies were quite small and had brief study periods.

312. Tonsillectomy for Obstructive Sleep-Disordered Breathing or Recurrent Throat Infection in Children (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/tonsillectomy_executive.pdf
     January 01, 2017 - Risk-of-bias ratings for each study are in Appendix F of the full report. … No comparative study reported deaths. Meta-analysis of PTH-related data. … Group differences were not statistically significant in the electrocautery study. … Understanding of “obstructive sleep-disordered breathing” varied from study to study as did degree … Morbidity in patients waiting for tonsillectomy in Cardiff: a cross-sectional study.

313. AHRQ Slide Template 2009 (ppt file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/selecting-evidence.ppt
     January 01, 2010 - OS = observational study; PICOTS = population, intervention, comparator, outcome, timing, and setting … Risk of bias speaks to the internal validity of a study. … Refocus the study question on gaps in trial evidence. … without detailed review of each study. … question, study design, and the treatments under review.

314. AHRQ Slide Template 2009 (ppt file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/selecting-evidence.ppt
     January 01, 2010 - OS = observational study; PICOTS = population, intervention, comparator, outcome, timing, and setting … Risk of bias speaks to the internal validity of a study. … Refocus the study question on gaps in trial evidence. … without detailed review of each study. … question, study design, and the treatments under review.

315. Chronic-Urinary-Retention Research (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/chronic-urinary-retention_research.pdf
     September 01, 2014 - Study inclusion criteria Category Criteria for Inclusion Study enrollment Studies that enroll adults … Not eligible study design Yamanishi T, Yasuda K, Kamai T, et al. … Not eligible study design Lukkarinen O, Hellstrom P, Leppilahti M, et al. … Study and patient characteristics appear in Table H1. … Only one study reported a primary outcome (Table H7).

316. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/atrial-fibrillation-ablation_disposition-comments.pdf
     October 01, 2010 - This study was not referenced for the right purpose. … was good, three studies were fair, and one study was poor.” … 9.8 points 3, 6, and 9 months after the study? … • This study evaluated 105 patients followed for one year. … This study has been included through our update search.

317. Evidence Report on the (pdf file)
     effectivehealthcare-admin.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. … Key study elements will be reviewed by a second person (study investigator) with respect to study outcomes … study design, sample size, sample size calculation or power estimate); clinical indications; and study … The study design elements evaluated with this tool include: selection of the study population, appropriate … and have been judged to have had an “inadequate response” at the time of entry into the study.

318. Cesarean-Birth-2010 Executive (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/cesarean-birth-2010_executive.pdf
     January 01, 2010 - Inclusion/exclusion criteria Category Criteria Study Population Low-risk pregnant women who have a … They represent 95 distinct study populations. … The most common reasons for exclusion were ineligible study design and irrelevance to the topic. … 1 (168) Moderate N/A Direct Imprecise Insufficient; 1 fair-quality study KQ2. … 1 (201) Moderate N/A Direct Imprecise Insufficient; 1 fair-quality study 11 Table B.

319. Research Protocol: Clostridium difficile Infection Update (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/c-difficile-update_research-protocol.pdf
     December 23, 2014 - Outcomes Mortality Recurrence (study author defined) Clearance (study author defined) Complications … Study inclusion criteria Category Criteria for Inclusion Study Enrollment Studies that enroll adults … We will summarize included study characteristics and outcomes in evidence tables. … design and risk of bias, study limitations will be rated as low, medium, or high. … Study design: prospective, retrospective or mixed?

320. GRADING THE STRENGTH OF A BODY OF EVIDENCE (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/methods-guidance-grading-evidence_methods.pdf
     November 01, 2013 - • Study conduct. … Score as one of three levels, separately by type of study design: • Low level of study limitations … • Medium level of study limitations • High level of study limitations Directness Directness relates … It includes: • Study publication bias, i.e., nonreporting of the full study. … levels of aggregate risk of study limitations based on study conduct; the scores are low, medium, or