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Total Results: 969 records

Showing results for "design sample size".

261. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/tinnitus_research-protocol.pdf
     February 22, 2012 - study characteristics (i.e., population characteristics, treatment interventions, study outcomes, sample … sizes, settings, funding sources, and comparator treatments [type, duration, and provider]), methodological … diagnostic accuracy outcomes, and the effect size for treatment monitoring; this domain is related to study sample … size) 5. … ☐ ☐ ☐ Was the sample size justified?

262. Renal-Cancer Research-Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/renal-cancer_research-protocol.pdf
     April 20, 2015 - For all articles, reviewers will extract information on general study characteristics (e.g., study design … protection against bias (i.e., good internal validity), assessed through main elements: • Study design … • Variability in study results is explained by differences in study design, patient population or … study will get listed in the appendix with the following data: Author, publication year Study design … Therefore study questions, design, and methodological approaches do not necessarily represent the views

263. Asthma-Treatment Executive (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/asthma-treatment_executive.pdf
     May 01, 2011 - Major elements abstracted included study location; study design; recruitment setting and approach; … small number of trials, most of which were at moderate risk of bias due to factors such as small sample … sizes, high or differential attrition, and lack of appropriate blinding … included in the review, and the only minor flaws were retention of less than 90 percent and small sample … size.

264. Glaucoma-Screening Surveillance (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/glaucoma-screening_surveillance.pdf
     January 01, 2013 - The sample sizes of the included studies ranged from 63 to 92 glaucoma participants and 41 to 95 healthy … The range of sample size was 25 to 174 glaucomatous eyes and 15 to 164 healthy eyes. … (not clear this study applies to screening) Study Region Study Design Populations (n … The sample sizes of the included studies ranged from 63 to 92 glaucoma participants and 41 to 95 healthy … The range of sample size was 25 to 174 glaucomatous eyes and 15 to 164 healthy eyes.

265. Disposition of Comments for Quality Improvement Interventions To Address Health Disparities (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/disparities-quality-improvement_disposition-comments.pdf
     August 27, 2012 - You might even consider a new heading for Sample Size. … We have inserted a level two heading for “Sample Size”. … I think the footnote belongs in the text along with the description of sample size – it makes little … We have deleted the table footnote and added a section for “Sample Size”. … As noted by the authors, this was an estimate for minimum required sample size.

266. Rapid Evidence Product: Adverse Events Associated With COVID-19 Pharmaceutical Treatments (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/COVID-19-pharmaceutical-treatments-rapid-review.pdf
     March 01, 2024 - Appendix C, the evidence and risk of bias table, displays details such as design, intervention, comparator … non-serious adverse events, effectiveness outcomes Timing No restriction Not applicable Study Design … -3 The following data were abstracted: • Study identifier (author) and publication year • Study design … EHC011 March 2024 C-2 Author, Year Related Studies Trial ID Location Setting Study Design … EHC011 March 2024 C-3 Author, Year Related Studies Trial ID Location Setting Study Design

267. Disposition of Comments for CER 195 Management of Uterine Fibroids (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer-195-disposition-comments-uterine-fibroids.pdf
     December 14, 2017 - No definite conclusions due to insufficient data, sample size or number of studies. 2. … specify that for questions of effectiveness (KQ 1-2) there was restriction to RCTs, but different design … TEP Reviewer#4 Discussion/ Conclusion But to determine appropriate sample sizes we need to know what … Are the sample sizes significant? … size.

268. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/pressure-ulcer-treatment_research-protocol.pdf
     November 08, 2011 - Sample size restrictions will not be set a priori, and case series may be used; however, case studies … They will have a serious or “fatal” flaw in design, analysis, or reporting; large amounts of missing … The results of these studies will be at least as likely to reflect flaws in the study design as the … or imprecise) We will also estimate publication bias by examining whether studies with smaller sample … sizes tended to have positive or negative assessments of pressure ulcer treatment.

269. Disposition of Comments Report for Treatment of Atrial Fibrillation (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/atrial-fibrillation_disposition-comments.pdf
     June 28, 2013 - Other sample sizes are included in the study characteristics tables provided in Appendix F. … sizes of each study We have added in columns of the sample sizes for all the tables as requested. … We have therefore left off the sample size in the forest plots but have instead included the number … Other sample sizes are included in the study characteristics tables provided in Appendix F. … Other sample sizes are included in the study characteristics tables provided in Appendix F.

270. Cad-Women-Diagnosis Executive (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/cad-women-diagnosis_executive.pdf
     June 01, 2012 - inclusion and exclusion criteria Study Characteristic Inclusion Criteria Exclusion Criteria Study design … Second, the sample size and low representation of women in most of the comparator studies may affect … Studies of sufficient sample size and representation of women. … size calculation for the numbers needed per group. … size is required to have adequate statistical power for subgroup analyses.

271. Binge-Eating Executive (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/binge-eating_executive.pdf
     December 01, 2015 - : 304 Wrong sample size: 32 Not an intervention or comparison or interest: 7 Wrong timing: 19 Wrong … Sizes) Outcome and Results Strength of Evidence Topiramate vs. … Other issues in the overall evidence base included small sample sizes (and thus lack of power for determining … Investigators should increase the sample sizes on which they base conclusions about treatment effectiveness … An additive design. Behav Ther. 1994;25(2):225-38. 25. Ricca V, Mannucci E, Mezzani B, et al.

272. Long-Term Drug Therapy and Drug Holidays for Osteoporotic Fracture Prevention (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/research-protocol-osteoporosis_2.pdf
     October 05, 2018 - PICOTS (Populations, Interventions, Comparators, Outcomes, Timing, Settings/Study Design) KQ Population … Intervention Comparator Health Outcomes & Harms Timing Setting Study Design KQ 1: Long-term … Study Design • All key questions: RCTs, CCTs • For assessment of harms (KQ 3, 4, 7 & 8): • Also … o Rare harms (i.e., AFF, ONJ, Afib): Sample size must be >100 and may include case-control, retrospective … o Nonrare harms: Sample size must be >1000 and limited to prospective cohort studies.

273. Breast-Biopsy-Update Executive (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/breast-biopsy-update_executive.pdf
     September 01, 2014 - Furthermore, for Key Question 2 we included any primary research articles, regardless of design, that … We determined risk of bias (low, medium, or high) on the basis of the study design and the methodological … compared to studies using surgical pathology results for all patients) and studies with a prospective design … (as compared to studies with a retrospective design). … MRI-guided biopsies were evaluated in only six studies with small sample sizes, leading to substantial

274. Executive Summary_Comparative Effectiveness Review No. 252: Management of Infantile Epilepsies (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer-252-infantile-epilepsies-executive-summary.pdf
     October 01, 2022 - inclusion criteria, and we entered all critical information into evidence tables, including study design … , country, funding source, study duration, sample size, eligibility criteria, population characteristics

275. Transcript Deliberativemethodswebinar (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/transcript_deliberativemethodswebinar.pdf
     April 19, 2012 - There is no one size or one shape fits all design. … I think, ideally, key design decisions should really be informed, as we’ve heard already, by the goals … And in these cases one might want to consider a design that has a longer timeframe. … So a few more points, just on these three design features. … If you think about the fact that all of that careful design work, facilitation, et cetera, leads

276. Research White Paper Managing Missing Data in Patient Registries Addendum Registries for Evaluating Patient Outcomes Third Edition (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/wysiwyg/missing-data-registries-guide-3rd-ed-addendum-white-paper.pdf
     February 01, 2018 - The purpose of this paper is to review the types of missing data in patient registries, discuss design … However, limiting the registry enrollment to only those newly diagnosed patients would reduce the sample … size significantly, and, in the case of a rare disease, likely render the registry infeasible. … throughout the planning and design phases of the registry’s lifecycle. … Strategies for dealing with missing data in clinical trials: from design to analysis.

277. Evidence Report on the (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/measuring-blood-pressure_research-protocol.pdf
     April 11, 2011 -  No minimum sample size. KQ 2 Population: same as for KQ 1. … 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.

278. Cervical Ripening in the Outpatient Setting (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/ocr-protocol-final_1.pdf
     December 18, 2019 - , year, setting, country, sample size, eligibility criteria, population and clinical characteristics … They will have a serious or “fatal” flaw in design, analysis, or reporting; large amounts of missing … The results of these studies will be least as likely to reflect flaws in the study design as the true … This may be based on sufficiency of sample size and number of events, and if these are adequate, the … , year, setting, country, sample size, eligibility criteria, population and clinical characteristics,

279. Disposition of Comments Report for Serum Free Light Chain Analysis for the Diagnosis, Management, and Prognosis of Plasma-Cell Dyscrasias (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/plasma-cell-dyscrasias-sflc-assay_disposition-comments.pdf
     August 23, 2012 - In addition to total sample size, it would be helpful to add the number of patients with the diagnosis … improved clinical practice with the incorporation of sFLC analysis, it will be nearly impossible to design … assay is increasingly incorporated into clinical practice, but we believe that it would be possible to design … inconclusive the conclusions cannot be use to inform policy and/or practice decisions but can guide the design … I think, however, there are a few flaws in the study design and results, and therefore the conclusions

280. Urinary-Incontinence-Treatment Surveillance (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/urinary-incontinence-treatment_surveillance.pdf
     October 29, 2012 - The sample size of the studies ranged from 45 15 to 2739 7. … Or 2) a trial not published in the above top 5 journals but have a sample size of at least triple the … /127 (13) vs. 40/120 (33); p= 52     Author year Study name (if applicable) Study design … 55     Author year Study name (if applicable) Study design Subjects Treatment groups … Control 59     Author year Study name (if applicable) Study design Subjects