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Total Results: 1,380 records

Showing results for "statistical".

101. Layout 1 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/rheumatoid-arthritis-2007_executive.pdf
     January 01, 2007 - criteria at 1 year (odds ratio [OR], 1.43; 95-percent confidence interval [CI], 1.15-1.77, P = 0.001), but statistical … Although not all results reached statistical significance, anakinra had consistently lower response rates … group treated with biologics had poorer baseline characteristics than the methotrexate group; once statistical

102. Making Healthcare Safer IV_Rapid Response: Reducing Adverse Drug Events Related to Anticoagulant Use in Adults (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/mhs-IV-high-risk-drugs-rapid-response.pdf
     January 01, 2024 - associated with lower rates of thromboembolic events, although the latter between-group difference reached statistical … usual care; while it also reduced thromboembolic events, the between-group difference did not reach statistical … Given the relatively low frequency of these events, the meta-analyses may have lacked adequate statistical … group had fewer thromboembolism events than the control group, but the difference did not reach statistical

103. Bladder-Cancer-Non-Muscle-Invasive Executive (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/bladder-cancer-non-muscle-invasive_executive.pdf
     October 01, 2015 - 0.88; 95% CI, 0.71 to 1.08) or progression (1 trial; RR, 0.76; 95% CI, 0.17 to 3.30) did not reach statistical … lower doses, but most estimates were imprecise and did not reach statistical significance. … carcinoma; NMP22 = nuclear matrix protein 22. 41 Limitations of the Review Process Substantial statistical … Regardless of the method used, meta-analyses based on small numbers of trials can underestimate statistical … Although statistical heterogeneity remained present in some analyses, with some unexplained outlier

104. S103 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/s103.pdf
     October 01, 2007 - Key Words: comparative study, regression analysis, statistical models, propensity score, bias (epidemiology … In theory, even if the Kaplan–Meier estimate is sufficient, a Cox model would improve statistical efficiency … experience, however, unless the Cox model is extended to include post- baseline information, the gains in statistical … Currently a major draw- back is the lack of statistical software for implementing these methods. … Some uses of statistical models in connection with the nonresponse problem.

105. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/hepatitis-c_research-protocol.pdf
     November 30, 2011 - ascertaining exposures, potential confounders, and outcomes; and whether they performed appropriate statistical … determine the appropriateness of meta-analysis, the clinical and methodological diversity and assessed statistical … We will use standard  2 tests to assess the presence of statistical heterogeneity among studies, … Statistical heterogeneity will be explored by using subgroup analysis or meta-regression. … When statistical meta-analysis is not possible, we will group studies by similarity of intervention

106. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/adhd_research-protocol.pdf
     August 10, 2010 - Treatment of preschoolers Diagnosis of preschoolers may often not adhere to strict DSM (Diagnostic and Statistical … treatment time is equal to or greater than 12 months • Descriptive Statistics Outcomes  Numerical or statistical … results of any effectiveness or adverse event outcomes  Numerical or statistical results of any … settings, funding sources, treatments (type, dose, duration, and provider), methodological limitations, statistical

107. Cer-250-Cannabis-2024-Surv-Rep-Update-Tables-F1-2 (xls file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer-250-cannabis-2024-surv-rep-update-tables-f1-2.xlsx
     January 01, 2024 - Did the Study Perform Appropriate Statistical Analyses on Potential Confounders (i.e., Age, Sex, Other

108. The Use of Conjoint Analysis to Elicit Patient Preferences in Selecting Treatment Endpoints (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/mcda-johnson.pdf
     August 27, 2012 -  Statistical model estimates preference weights consistent with observed choices. … endpoints – Surrogate markers – Risk concepts  Consensus among researchers – Experimental design Statistical

109. Evidence Summary_Comparative Effectiveness Review No. 247_Interventional Treatments for Acute and Chronic Pain: Systematic Review (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer-247-interventional-treatments-acute-chronic-pain-evidence-summary_0.pdf
     September 01, 2021 - We did not conduct statistical and graphical methods for assessing for small sample effects (a potential

110. Comparative Effectiveness Review No. 272_Genitourinary Syndrome of Menopause: A Systematic Review (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer-272-genitourinary-syndrome-executive-summary.pdf
     July 01, 2024 - We derived COE from statistical rather than clinical significance or effect magnitude, in part because … across trials) cDowngraded one level for study limitations (one or more trials did not provide adequate statistical … validated scales or thresholds for clinical importance exist which makes it difficult to translate statistical

111. Layout 1 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/cancer-anemia_executive.pdf
     May 01, 2006 - Layout 1 Background Anemia (deficiency of red blood cells) occurs in 13-78 percent of patients undergoing treatment for solid tumors and 30-40 percent of patients treated for lymphoma. Tumor type, treatment regimen, and history of prior cancer therapy influence the risk and severity of anemia. For example, among pa…

112. Layout 1 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/antidepressants-update_executive.pdf
     December 01, 2011 - Seventeen studies (3,960 patients), mostly of fair quality, indicated no statistical differences in efficacy … In addition, the more advanced statistical analysis that we were able to do for indirect comparisons

113. Measuring-Blood-Pressure Executive (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/measuring-blood-pressure_executive.pdf
     January 01, 2012 - Meta-analyses showed statistical heterogeneity at 6 and 12 months. … These were nonsignificant or of uncertain statistical significance. … Both reported findings that were nonsignificant or of uncertain statistical significance. … These studies reported findings that were nonsignificant or of uncertain statistical significance. … population, setting, interventions, and comparison groups; appropriate measurement of outcomes; appropriate statistical

114. 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_executive.pdf
     August 01, 2016 - questions (e.g., related to uncertainty of dietary assessment measurements).15-17 Data Synthesis Statistical … confidence that 10 the conclusion would remain stable with future RCTs and subsequent greater statistical … All 19 other analyses were not statistically significant (or no statistical difference was reported … estimate would remain suggestive of no effect with the addition of future trial data (and greater statistical

115. Stroke-Atrial-Fibrillation Executive (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/stroke-atrial-fibrillation_executive.pdf
     August 01, 2013 - graphical displays and test statistics (Q and I2 statistics), while recognizing that the ability of statistical … Dabigatran increases MI risk, although this finding did not reach statistical significance (low strength … infarction 1 (12,037) SOE = Low Dabigatran increased risk, although the difference did not reach statistical

116. Blood-Clots-Hip-Knee-Surgery Executive (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/blood-clots-hip-knee-surgery_executive.pdf
     March 01, 2012 - Statistical heterogeneity was addressed using the I2 statistic. … A higher level of statistical heterogeneity was detected in the evaluation of PE. … A higher level of statistical heterogeneity was detected in the evaluation of proximal DVT and major … I2: Measure of degree of variation due to statistical heterogeneity. … Statistical Heterogeneity: Variability in the observed effects among studies in a meta-analysis.

117. Psychological and Pharmacological Treatments for Adults with Posttraumatic (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/ptsd-adult-treatment-update_research-protocol.pdf
     December 31, 2017 - In the Diagnostic and Statistical Manual of Mental Disorders, fifth edition (DSM-5),1 PTSD criteria … Diagnostic and statistical manual of mental disorders. 5th ed. … Diagnostic and Statistical Manual of Mental Disorders: DSM-IV-TR. … Diagnostic and statistical manual of mental disorders, fourth edition, text revision. … DSM = Diagnostic and Statistical Manual; PTSD = posttraumatic stress disorder.

118. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/antiplatelet-treatment_research-protocol.pdf
     November 22, 2011 - searches indicate that an updated systematic review would address these issues by attaining higher statistical … synthesis of the relevant existing evidence, with a focus on interaction effects, may increase the statistical … , setting, interventions, and comparison groups; appropriate measurement of outcomes; appropriate statistical … tests, except those for heterogeneity, statistical significance will be defined as two-sided p < 0.05 … Statistical methods for assessment of added usefulness of new biomarkers.

119. Dietary-Supplements Executive (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/dietary-supplements_executive.pdf
     April 01, 2012 - Supplement– drug interactions were examined by investigating evidence of statistical and pharmacokinetic … Statistical heterogeneity was assessed using Cochran’s Q (α = 0.10) and the I2 statistic. … No study analyzed statistical interactions between a supplement and a cardiovascular drug in terms of … Statistical interaction data were not reported in any pharmacokinetic study. … When possible, comparative effectiveness studies should include a statistical analysis for supplement

120. breast-biopsy-update-130920 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/breast-biopsy-update_research-protocol.pdf
     September 20, 2013 - comparison of studies added in the update versus studies included in the original report.27, 28 Statistical … studies agree, therefore the data are consistent); instead, we will assess the direction, magnitude, and statistical … For reporting bias, we will make qualitative dispositions rather than perform formal statistical tests … Altman  DG,  Gotzsche  PC,  et  al;  Cochrane  Bias  Methods  Group/  Cochrane  Statistical … Diagnostic  statistical  procedures  in  medical  meta-­‐analyses.