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Total Results: 1,380 records

Showing results for "statistical".

241. depression-pregnancy-postpartum-protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/depression-pregnancy-postpartum_research-protocol.pdf
     March 29, 2013 -   edition of the Diagnostic and Statistical … relating to a published study only if the following details of the analysis are provided: type of statistical … followup or overall high loss to followup; the adequacy of event ascertainment; whether acceptable statistical … in effects between studies.18,19 Random- effects models will be used to estimate pooled effects.20 Statistical

242. Observed Association Between Antidepressant Use and Pneumonia Risk Was Confounded by Comorbidity Measures (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/antidepressants-seniors-pneumonia_research.pdf
     May 01, 2008 - Statistical Analysis We first compared cases to controls with respect to antidepressant exposure … data, our a priori power calculations suggested that using a two-tailed α of 5%, we would have 85% statistical … The authors acknowledge Maximilian Herlim for his statistical programming. 6 Effective Health … Statistical Analysis 3. Results 3.1. Primary Outcome: Hospitalization for Pneumonia 3.2.

243. S89 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/s89.pdf
     October 01, 2007 - However, repeated statistical testing of accu- mulating data requires special methods. … Our surveillance system uses the new statistical method maxSPRT, which was developed as a refinement … WilkinsS90 The classic SPRT method, developed by Wald in 1945, involves continuous or time-periodic statistical … Sequential tests of statistical hypotheses. Ann Math Stat. 1945;16:117–186. 15. Abt K.

244. Total Worker Health® (TWH) (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/worker-health_executive.pdf
     April 01, 2016 - In general, studies rated high risk of bias did not use any statistical methods to address missing data … We encountered baseline differences between groups in several studies; statistical analyses often did … Investigators sometimes did not provide information on their statistical methods; also, authors sometimes … at baseline, small sample sizes and power, high overall or differential attrition, and choices of statistical … Studies should address baseline differences between groups when they are present using appropriate statistical

245. Anxiety in Children (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/anxiety-children_research-protocol.pdf
     September 12, 2016 - Based on the Fifth Edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5), we … We will evaluate potential publication bias by evaluating funnel plots symmetry and using statistical … outcomes were important to patients vs surrogates); the consistency of results (based on qualitative and statistical

246. Diagnostic Accuracy of Screening and Treatment of Post–Acute Coronary Syndrome Depression: A Systematic Review. Evidence Summary. (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/evidence-summary-cer-200-post-acs-depression.pdf
     November 01, 2017 - • GI bleeding • • Suicidal ideation, behaviors, or KQ 1 KQ 1 KQ 1 KQ 2 KQ 2 Diagnostic and Statistical … Patient Health Questionnaire (PHQ); Geriatric Depression Scale (GDS) Criterion standard: Diagnostic and Statistical

247. Slide 1
     effectivehealthcare.ahrq.gov/sites/default/files/introduction-to-user-guide-overview.pptx
     January 01, 2013 - and Measurement Covariate Selection Selection of Data Sources Study Size Planning Considerations for Statistical … As new research methods, standards, and statistical tools develop, the User’s Guide will be updated to

248. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/psoriasis-chronic_research-protocol.pdf
     January 10, 2012 - Statistical heterogeneity will be addressed using the I 2 statistic (which assesses the degree of … than 50 percent have been regarded, respectively, as representative of lower and higher levels of statistical … publication bias with fewer studies is too low to distinguish chance from true publication bias. 20 Statistical … analyses will be performed using StatsDirect statistical software, version 2.7.8 (StatsDirect Ltd. … sizes are on the same side of unity, whether the range of effect sizes is narrow, and the degree of statistical

249. Liver-Cancer-Therapy Executive (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/liver-cancer-therapy_executive.pdf
     May 01, 2013 - well-described study population, well- described intervention, use of validated outcome measures, appropriate statistical … For any meta-analysis performed, we assessed statistical heterogeneity by using Cochran’s Q statistic … A p value of 0.10 was used to determine statistical significance of Cochran’s Q statistic. … The wide range of effect across the three trials and a moderate level of statistical heterogeneity in … These studies did not use statistical adjustment to reduce confounding; such adjustment for confounding

250. DEcIDE 33: Summary Variables in Observational Resesarch: Propensity Scores and Disease Risk Scores (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/observational-research-scores_research.pdf
     May 01, 2012 - incidence 0.4-6.0 per 10,000 person-years among statin users)5 means that in order to have adequate statistical … comorbidities to be accounted for can pose challenges of how best to incorporate many covariates in the statistical … This type of study poses several challenges for statistical analysis. … Journal of the American Statistical Association 1987;82:387-94. Rosenbaum PR, Rubin DB. … Statistical Methods in Medical Research 2009; 18: 67-80. Cook EF, Goldman L.

251. Atrial-Fibrillation-Ablation Surveillance (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/atrial-fibrillation-ablation_surveillance.pdf
     May 16, 2013 - phase only Source: www.effectivehealthcare.ahrq.gov Published online: May 16, 2013 change in statistical … PAF RR=1.54 95% CI: 1.38, 1.71 There was no change in statistical significance; % increase … May 16, 2013 Appendix B: Updating Signals (Continued) Quantitative signals (B1-B2)* Change in statistical … For the ‘borderline’ changes in statistical significance, at least one of the reports (the original

252. Prostate-Cancer-Test Research-Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/prostate-cancer-test_research-protocol.pdf
     October 14, 2011 -  Did the analysis of outcome data incorporate a method for handling confounders such as statistical … These data can be analyzed with McNemar’s test to determine the statistical significance of PCA3 versus … Using standard statistical methods, the data might be pooled (random effects meta-analysis), with the … we will identify RCTs or nonrandomized clinical trials, if we identify such studies we will use the statistical

253. Amended Protocol: Maternal and Childhood Outcomes Associated with the Special Supplemental Nutrition Program for Women, Infants and Children (WIC) (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/product/pdf/wic-outcomes-nutrition-protocol-amended.pdf
     October 01, 2020 - Statistical significance (will be set at a two- sided alpha of 0.05). … We will evaluate statistical heterogeneity among studies using an I2 statistic, and because of heterogeneity … in study approaches, we anticipate finding substantial statistical heterogeneity. … Statistical aspects of the analysis of data from retrospective studies of disease.

254. Disposition of Comments for Screening of Methicillin-Resistant Staphylococcus Aureus (MRSA) (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/mrsa-screening-2010_disposition-comments.pdf
     January 01, 2010 - Studies that perform simple statistical tests of before after designs without attempts to control for … Reviewer #10 (Peer) Methods Methods: Statistical methods and grading of studies are clear. … In the results chapter we note, “Of the studies that used statistical methods to attempt to control … Why wasn’t a “down arrow” placed next to NS in the column labeled Statistical Result for the study by … We have clarified that statistical significance is being used as the determinant of precision, but

255. Methods-Balancing-Harms-Benefits Research-2012 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/methods-balancing-harms-benefits_research-2012.pdf
     January 01, 2012 - Quantitative approaches use formulas or statistical graphs to compare benefits and harms, expressed … (2) The type of analyses: Analyses for benefit harm assessment could include any type of statistical … BLRA thus allows for statistical testing of comparisons between treatment groups and can consider patient … Boers’ 3x3 Table This quantitative approach does not require any statistical models but offers a way … Using alternative statistical formats for presenting risks and risk reductions.

256. PowerPoint Presentation (ppt file)
     effectivehealthcare.ahrq.gov/sites/default/files/medical-test-reviews-options-summarizing.ppt
     June 01, 2012 - Option 4: Mathematically Adjust “Naïve” Estimates The fourth option would most likely require expert statistical … Analysis option 4 requires expert statistical help. … Keep in mind that expert statistical help may be needed for analysis option 4 and that there is no evidence … This may require expert statistical help.

257. PowerPoint Presentation (ppt file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/medical-test-reviews-options-summarizing.ppt
     June 01, 2012 - Option 4: Mathematically Adjust “Naïve” Estimates The fourth option would most likely require expert statistical … Analysis option 4 requires expert statistical help. … Keep in mind that expert statistical help may be needed for analysis option 4 and that there is no evidence … This may require expert statistical help.

258. Misuse of Prescription Stimulants in Adults (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/misuse-prescription-protocol-amendment.pdf
     November 26, 2024 - Institute (JBI) Checklist for Prevalence Studies12 which covers sampling, data collection, reporting, and statistical … study participation, attrition, prognostic factor measurement, outcome measurement, confounding, and statistical

259. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer-270-bimp-disposition-comments.pdf
     September 18, 2024 - We felt this granular approach would have very low statistical power and also would be quite cumbersome

260. Grading Strength of Evidence: Interactive Quiz (ppt file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/grading-quiz.ppt
     May 29, 2025 - Any of these four domains can be used when they are relevant and the appropriate data or statistical