Results

Total Results: 1,313 records

Showing results for "size".

201. Omega-3 Fatty Acids and Cardiovascular Disease: An Updated Systematic Review (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/fatty-acids-cardiovascular-disease_disposition-comments.pdf
     August 12, 2016 - Some of the exclusions of studies on the basis of sample size seem arbitrary: for example, studies of … limitations of statistical inference when sample sizes of endpoints are limited in studies of fixed size … The sample size was too small (N<30) in each arm at 1 year followup. … By some criteria, based on their larger size (than omitted studies), they are likely to have been … All those that were not included had already been rejected (mostly based on sample size, too-short

202. Disposition of Comments for Child Exposure to Trauma: Comparative Effectiveness of Interventions Addressing Maltreatment (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/trauma-interventions-maltreatment-child_disposition-comments.pdf
     April 15, 2013 - tend to reduce the persuasiveness of intervention restudies for the following reasons: small sample size … sense of the effectiveness of an intervention: Our findings suggest that the magnitude of the effect size … A., et al. (2004) Effect size in cumulative meta-analyses of mental health randomized trials evolved … This proclivity is particularly misleading when the size of the sample is small: Twersky and Kahneman … maltreated children. 26 studies (many focusing on the same interventions) is a rather limited sample size

203. Breast-Biopsy Surveillance (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/breast-biopsy_surveillance.pdf
     July 01, 2012 - a statistically significant effect of the following factors on the accuracy or harms: needle size … Brennan (2011) conducted a meta-analysis of 52 studies including 7,350 lesions and found needle size … (14 gauge vs 11 gauge), lesion size > 20mm, and palpability associated with misclassification. … Meta-analysis of 52 studies: DCIS underestimation rate 23.9% ND 14 gauge (vs 11 gauge), lesion size … identify a statistically significant effect of the following factors on the accuracy or harms: needle size

204. Trauma-Interventions-Maltreatment-Child Executive (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/trauma-interventions-maltreatment-child_executive.pdf
     April 01, 2013 - We did not perform additional effect size calculations, with the exception of one study that provided … the effect size without the significance level.22 Strength of Evidence Grading We graded the strength … in the field. f One comparator is a conventional approach; the other is a derived approach. g Effect size … Interpretation of the effect size as small, medium, or large is defined as Cohen’s d = 0.20, 0.50, and … a powerful platform that could efficiently furnish collaborative studies of sufficient quality and size

205. 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).

206. Quality-Gap-Palliative-Hospice Executive (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/quality-gap-palliative-hospice_executive.pdf
     October 01, 2012 - because of inconsistent reporting of outcomes across studies and frequent lack of reporting of effect size … research in this field could be improved by recruitment and retention efforts to assure adequate sample size

207. Assessing the Quality of Individual Studies (ppt file)
     effectivehealthcare.ahrq.gov/sites/default/files/assessing-quality.ppt
     January 01, 2010 - Individual Study to the Body of Evidence Quality (systematic error and inferential error, type of study) Size … The size of the study could result in nonsystematic or random error; it influences considerations of … providers Additional Criteria for Trials Additional Criteria for Observational Studies (I) Sample size

208. Association Between Outcomes and Dental Services in People Receiving Treatment for Human Immunodeficiency Virus: A Rapid Response Review (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/dental-immunodeficiency-virus-rapid-response.pdf
     May 01, 2025 - • All three non-comparative studies were small (sample size: 15 to 63), with follow-up duration … We rated all three studies as poor quality (having high risk of bias), due to small sample size, high … Outcome Timing; Subgroup (Sample Size) Results P Value Nobreb 201931 Brazil Single-arm … Outcome Timing; Subgroup (Sample Size) Results P Value Valentined 201630 US Single-arm … Of these three included studies, two were small, with sample size of less than 25,31,32 and the third

209. Frameworks for Determining Research Gaps During Systematic Reviews (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/methods-future-research-steps-framework_research.pdf
     June 01, 2011 - Inconsistent or Unknown Consistency Results Inconsistent information arises when estimates of effect size … If there is only one available study, even if considered large sample size, the consistency of results … be kept in mind that a statistically significant effect size in one study and an effect size whose … If there is only one available study, even if considered large sample size, the consistency of results … However, it should be kept in mind that a statistically significant effect size in one study and an

210. Interventions To Prevent Age-Related Cognitive Decline, Mild Cognitive Impairment, and Clinical Alzheimer’s-Type Dementia (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/cognitive-decline-disposition-170707pdf.pdf
     March 24, 2017 - The sample size threshold is only for observational studies; RCTs of any size were eligible. … We clarified the text: “For KQ1-2: RCTs of any size and large prospective quasi-experimental cohort … Randomized controlled trials of any size were eligible. … We clarified the text: “For KQ1-2: RCTs of any size and large prospective quasi- experimental cohort … We agree that an effect size of 0.66 after 10 years is relatively large in magnitude, but it needs

211. Interventions To Prevent Age-Related Cognitive Decline, Mild Cognitive Impairment, and Clinical Alzheimer’s-Type Dementia (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/cognitive-decline-disposition-170707pdf.pdf
     March 24, 2017 - The sample size threshold is only for observational studies; RCTs of any size were eligible. … We clarified the text: “For KQ1-2: RCTs of any size and large prospective quasi-experimental cohort … Randomized controlled trials of any size were eligible. … We clarified the text: “For KQ1-2: RCTs of any size and large prospective quasi- experimental cohort … We agree that an effect size of 0.66 after 10 years is relatively large in magnitude, but it needs

212. Effective Health Care (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/TND_0351_05-10-2010.pdf
     January 01, 2010 - therapies, different surgical techniques Outcome(s): diagnostic ability of test, final testicular size

213. Menopause Executive (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/menopause_executive.pdf
     March 01, 2015 - The following data were abstracted for each category: author, year, country, treatment, dose, trial size … standardized mean differences from pairwise comparisons Number of Comparisons Comparators Effect Size … standardized mean differences from pairwise comparisons Number of Comparisons Comparators Effect Size … Domain Number of Comparisons Comparators Effect Size (SMD) (95% CI) Strength of Evidence Global … mean differences from pairwise comparisons Domain and Number of Comparisons Comparators Effect Size

214. 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 - Retrieved Source Link/URL Study Design Study Dates Geographic Setting Setting Inclusion Criteria Sample Size

215. 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 - Retrieved Source Link/URL Study Design Study Dates Geographic Setting Setting Inclusion Criteria Sample Size

216. Traumatic-Brain-Injury-Rehabilitation Executive (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/traumatic-brain-injury-rehabilitation_executive.pdf
     June 01, 2012 - compared to standard treatment at an outpatient rehabilitation center resulted in a moderate effect size

217. Research Protocol: Radiation Therapy for Brain Metastases (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/radiation-therapy-brain-metases-protocol.pdf
     October 10, 2019 - For patients with good prognosis (expected survival of 3 months or more), the number, size and resectability … Does the effectiveness depend on tumor size or radiation dose and fractionation and, and again, should … providers need to evaluate existing evidence on whether the effectiveness varies with tumor type, size … study), key question contribution (effects, adverse events, both), number of participants (study size … We will highlight the direction and size of effect narratively in addition to providing the numerical

218. Use of Observational Studies in Systematic Reviews of (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/methodsguidenorris_060420101.pdf
     June 01, 2010 - quality of a body of observational studies is downrated (with respect to RCTs) unless the effect size … Association between unreported outcomes and effect size estimates in Cochrane meta-analyses. … Includes sample size, number of studies, and heterogeneity within or across studies. … Greater levels of precision may be needed if the estimates of the effect size of benefits and harms … The size of the trial, the rigor of its execution, the broad spectrum of adults who were enrolled, and

219. Use of Observational Studies in Systematic Reviews of (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/methods-guidance-observational-studies_methods.pdf
     June 01, 2010 - quality of a body of observational studies is downrated (with respect to RCTs) unless the effect size … Association between unreported outcomes and effect size estimates in Cochrane meta-analyses. … Includes sample size, number of studies, and heterogeneity within or across studies. … Greater levels of precision may be needed if the estimates of the effect size of benefits and harms … The size of the trial, the rigor of its execution, the broad spectrum of adults who were enrolled, and

220. Disposition of Comments Report for Comparative Effectiveness Review 128 Oral Mechanical Bowel Preparation for Colorectal Surgery (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/colorectal-surgery-preparation_disposition-comments.pdf
     April 30, 2014 - We have provided additional study design recommendations, particularly with respect to sample size … These analyses did not reveal an association between year of publication and estimated effect size. … We have provided details about the sample size requirements for such a trial. … We believe that the required sample size is not prohibitive (even for a small size consortium) given … As stated by the authors of the study, the quality and the size of the randomized controlled trials