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Showing results for "sample".

121. DuBenske_Presentation_REVISED_FINAL (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/web-based_dubenske_presenter.pdf
     January 01, 2009 - Appropriate  sampling    Timing,  demographics,  experience  w/  proposed  technology   o Sample

122. Executive Summary_Systematic Review_Pharmacologic and Nonpharmacologic Treatments for Posttraumatic Stress Disorder: 2022 Update of the PTSD-Repository Evidence Base (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/pharma-nonpharma-ptsd-2022-update-executive-summ.pdf
     January 01, 2022 - Most studies had sample sizes in the range of 25 to 99 participants (69%), with a relatively small number … Studies typically had sample sizes ranging from 25 to 99 participants (69%).

123. Appendix F 0 (xls file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/Appendix%20F_0.xlsx
     May 29, 2025 - Risk of bias of cannabis cohort studies Author, Year Did the Study Attempt to Enroll All (or a Random Sample

124. Disposition of Comments for Treatments for Fibromyalgia in Adult Subgroups (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/fibromyalgia_disposition-comments.pdf
     January 26, 2015 - statistical significance may not be reached with such small changes due to variability and small sample … See Table 3 PICOTS framework of the report Introduction that details the sample selection criteria … Additional sample selection criteria varied per study (see Basic Study tables, Appendices E4-E7) … See Table 3- PICOTS framework- of the report Introduction that details the sample selection criteria … Sample size and related factors (such as attrition), are taken into consideration during different

125. CER 217 Management of Infertility Evidence Summary (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer-217-infertility-evidence-summary.pdf
     May 01, 2019 - Summary of strength of evidence for major outcomes—KQ 1 (PCOS) Comparison Outcome Study Design (Sample … pregnancy between clomiphene vs. letrozole Low (1 study) 9 Comparison Outcome Study Design (Sample … of strength of evidence for major outcomes—KQ 2 (endometriosis) Comparison Outcome Study Design (Sample … major outcomes—KQ 3 (unexplained infertility)(continued) 16 Comparison Outcome Study Design (Sample … Infertility treatment in a population-based sample: 2004-2005.

126. Ch 10-User-Guide-To-Ocer 130129 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/ch_10-user-guide-to-ocer_130129.pdf
     January 01, 2011 - Observational CER Protocol: A User’s Guide Univariate or unadjusted hypothesis testing, such as two-sample … design is that in the former there may still be imbalances in study covariates, and in the latter sample … Finite-sample properties of estimators using weak instruments are often poor, and weak instruments … However, an initial limitation of this approach is that sample size is reduced, which affects efficiency … Large sample properties of matching estimators for average treatment effects.

127. Cannabis-App-G-Table-Surveillance-Report-2 0 (xls file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/cannabis-app-g-table-surveillance-report-2_0.xlsx
     May 29, 2025 - Risk of bias of cannabis cohort studies Author, Year Did the Study Attempt To Enroll All (or a Random Sample

128. S103 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/s103.pdf
     October 01, 2007 - Inverse Probability-Weighted Estimators Imagine a sample of data from n patients with treatment indicators … To the numerator the analyst adds an indicator variable to restrict the sample to uncensored indi- viduals—those … are likely to respond differently to the treatments of interest, then the analyst should stratify the sample … end of each partition and verify that the sum of the weights is approximately equal to the initial sample … Incomplete Data in Sample Surveys, Vol 3: Symposium on Incomplete Data, Proceedings.

129. Knowledge Brief #2 Methods and Measures of Public Deliberation (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/knowledge-brief-2-methods-public-deliberation-130213.pdf
     February 01, 2013 - involves either random or purposive sampling, depending on whether they are seeking a more representative sample … A representative sample is particularly important if sponsors want to be able to say something through

130. Knowledge Brief #2 Methods and Measures of Public Deliberation (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/knowledge-brief-2-methods-public-deliberation-130213.pdf
     February 01, 2013 - involves either random or purposive sampling, depending on whether they are seeking a more representative sample … A representative sample is particularly important if sponsors want to be able to say something through

131. Core-Needle Biopsy for Breast Abnormalities (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/breast-biopsy-update_clinician.pdf
     May 01, 2016 - Core-needle procedures, which remove a small tissue sample through a very small incision, have been

132. Slide 1
     effectivehealthcare.ahrq.gov/sites/default/files/sensitivity-analysis-chapter-11.pptx
     January 01, 2013 - These patients should be considered separately where sample size considerations allow. … PMID:19437424. http://www.ncbi.nlm.nih.gov/pubmed/19437424 Sample Graphical Presentation (1 of 2) … Sample Graphical Presentation (1 of 2) This example from Robyn McClelland and colleagues (2008) is a … Sample Graphical Presentation (2 of 2) Plot to assess the strength of unmeasured confounding necessary … between drug use category and confounder; RRCD = association between confounder and disease outcome Sample

133. Topic Brief: Antenatal Care (pdf file)
     effectivehealthcare.ahrq.gov/system/files/docs/topic-brief-antenatal-care.pdf
     April 01, 2021 - Nine primary studies were identified based on our random sample of the available literature, which indicates … Because a large number of articles were identified (n=1675), we reviewed a random sample of 200 titles … projected total number of included studies based on the proportion of studies included from the random sample … review - Newly available evidence (particularly for updates or new technologies) From our limited sample … Nine primary studies were identified based on our random sample of the available literature, which indicates

134. Ch 3-User-Guide-To-Ocer 130129 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/ch_3-user-guide-to-ocer_130129.pdf
     September 21, 2012 - generally has low power to detect differences in subgroup effects.7 For example, when compared with the sample … size required for detecting ATE of a particular size, a sample size roughly four times as large is … detecting a difference in subgroup effects of the same magnitude as ATE for a 50:50 subgroup split; a sample … Heterogeneity of Treatment Effects outcome measures, thereby improving statistical power for a given sample

135. Ptsd-Adults-Trauma-Interventions Executive (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/ptsd-adults-trauma-interventions_executive.pdf
     April 01, 2013 - Our meta-analyses of trials that compared CBT with SC in a sample of participants with ASD found that … Because the knowledge base comprises largely single studies with small sample sizes, we concluded that … : CBT = cognitive behavioral therapy; CC = collaborative care; CT = cognitive therapy; N = entire sample … ; n = subset of sample; PTSD = posttraumatic stress disorder; SC = supportive counseling; SOE = strength … ; n = subset of sample; PE = prolonged exposure therapy; PTSD = posttraumatic stress disorder; SOE

136. Choice-Of-Mean White-Paper (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/choice-of-mean_white-paper.pdf
     April 01, 2015 - Group #2) Number of Studies (N) Group #1 and Group #2 Total Sample Size (Min-Max) Baseline … Group #2) Number of Studies (N) Group #1 and Group #2 Total Sample Size (Min-Max) Baseline … Group #2) Number of Studies (N) Group #1 and Group #2 Total Sample Size (Min-Max) Baseline … Group #2) Number of Studies (N) Group #1 and Group #2 Total Sample Size (Min-Max) Baseline … Group #2) Number of Studies (N) Group #1 and Group #2 Total Sample Size (Min-Max) Baseline

137. Comparative Effectiveness Review No. 241_Physical Activity and the Health of Wheelchair Users: A Systematic Review in Multiple Sclerosis, Cerebral Palsy, and Spinal Cord Injury (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/cer-241-physical-activity-wheelchair-evidence-summary-updated.pdf
     October 01, 2021 - • Evidence was also limited by heterogeneity in interventions and control groups and by small sample … in patients with multiple sclerosis, cerebral palsy, and spinal cord injury are limited by small sample

138. Comparative Effectiveness of Fecal DNA Testing in Screening for Colorectal Cancer in Average Risk Adults. (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/colorectal-cancer-screening_disposition-comments.pdf
     February 01, 2012 - In only one FIT is the sample collected with a brush. … Page 21 - See my changes - About 50 percent more patients (641 vs. 426) did not provide an adequate sample … included patients who simply did not perform the test rather than those who submitted an inadequate sample … “Ability present in the sample of assay to measure the target substance when potentially interfering … or cross-reacting substances are present in the sample” We have edited the grammatical error.

139. PHS 398 (Rev. 9/04), Continuation Page (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/administrative-data-validity_research.pdf
     January 01, 2007 - study using claims data, with few exceptions, investigators should obtain medical records in at least a sample … Investigators then selected a random sample of events and forwarded to CSC to initiate the retrieval … While the sample was sufficiently small (N=7), the PPV is at least 65% and consistent up through and

140. PHS 398 (Rev. 9/04), Continuation Page (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/upenn-final-report-2005-certs-ce-supplement.pdf
     January 01, 2005 - study using claims data, with few exceptions, investigators should obtain medical records in at least a sample … Investigators then selected a random sample of events and forwarded to CSC to initiate the retrieval … While the sample was sufficiently small (N=7), the PPV is at least 65% and consistent up through and