2 why does bias exist in meta analysis
The Civil-Military Gap in the United States - Does It Exist, Why, and Does It Matter ppt
... participation in peace operations becoming increasingly important Given the extent of these changes and the tensions they inevitably involved, any administration would have faced difficulties in working ... that the incentives are structured in favor of compliance with the principal’s intent However, in the final analysis, the principal can only constrain and limit agency drift rather than eliminate ... of collective decisionmaking) to inform our thinking on this issue Sources of Problems in the Policymaking Process The bargaining process translates actor preferences into policy The process is...
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Báo cáo y học: "Effect of histamine-2-receptor antagonists versus sucralfate on stress ulcer prophylaxis in mechanically ventilated patients: a meta-analysis of 10 randomized controlled trials" pot
... Study selection Clinical trials that met the following criteria were included in the meta- analysis: (a) randomized trials of an H2RA (including ranitidine, cimetidine, and famotidine) compared with ... heterogeneity: (a) subgroup analysis, (b) sensitivity analysis performed by omitting one study in each turn and investigating the influence of a single study on the overall meta- analysis estimate when ... original studies published online, but we did not modify the data In addition, combined and included studies definitely met the criterion of ‘clinically important GI bleeding’ as defined above in...
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Báo cáo y học: "Genetic polymorphisms in the nucleotide excision repair pathway and lung cancer risk: A meta-analysis"
... skin tumors at an extremely high frequency (1000 fold increased incidence as compared to normal individuals) because of their inability to repair UV-induced DNA lesions These clinical findings ... activated carcinogens can bind to DNA and form DNA adducts that are capable of inducing mutations and initiating carcinogenesis The capacity to repair DNA damage induced by activated carcinogens 61 ... Satokata I, et al Analysis of a human DNA excision repair gene involved in group A xeroderma pigmentosum and containing a zinc-finger domain Nature 1990; 348: 73-6 65 Sarasin A An overview of...
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A meta analysis and risk assessment of heavy metal uptake in common garden vegestable
... Weighting and Combining Using Meta- analysis 59 13 R, R2, Slope and Y-intercept Values Combined From Like Plant-Metal Groups and the Number of Studies in Each Group 14 Values Used in ... electroplating, smelting, and ore processing (ATSDR 1994) Mine tailings and drainage from mines can contain high concentrations of zinc (Cobb et al 2000) The fate and transport of zinc (Zn+2) in the ... 42 Meta- Analysis The effect combined in the meta- analysis of results from these studies was the relationship between the metal concentrations in the soil to the metal concentrations found in...
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Interferon-c Release Assays for Active Pulmonary Tuberculosis Diagnosis in Adults in Low- and Middle-Income Countries: Systematic Review and Meta-analysis pdf
... systemic review and meta- analysis to determine IGRA test performance in persons with suspected or confirmed active pulmonary tuberculosis living in low- and middle-income settings modeling, which provides ... middle-income countries IGRA specificity in diagnosing LTBI, estimated among individuals at low risk for tuberculosis exposure in settings with low tuberculosis incidence (high-income settings), ... tuberculosis (we included indeterminate IGRA results in the denominator if they occurred in individuals with culture-positive tuberculosis), and (2) specificity was defined as the proportion of individuals...
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Tuberculosis in Liver Transplant Recipients: A Systematic Review and Meta-Analysis of Individual Patient Data doc
... regimens including pyrazinamide, 31% received drug regimens including a fluoroquinolone, and 17% received drug regimens including streptomycin Induction drug regimens consisted of drugs in 5% of ... pulmonary MTB infection was defined as including lung or mediastinal lymph node involvement We defined multiorgan (ie, miliary) MTB infection as involvement of or more organs (lymph nodes draining infected ... fluoroquinolone in 52%, pyrazinamide in 18%, and streptomycin in 14% Most maintenance regimens consisted of 2-drug (46%) or 3-drug (29%) regimens No patients received single-drug MTB therapy during induction...
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does sexual harassment still exist in the military for women
... sexual harassment in the military is declining, but still common, involving over half the women in the military The number of women reporting any type of sexual harassment in the previous twelve ... thoughtful effort towards the declining of sexualharassment since the Tailhook scandal In fact, all the services have Beginning this year, equal opportunity training is to be received by everyone ... Vietnam came Being in south-east Asia and increasingly frustrated by a losing war, a whole generation of naval officers began carousing in the sleazy bars of Bangkok and the Philippines The Vietnam...
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Báo cáo sinh học: "Clinical outcomes of active specific immunotherapy in advanced colorectal cancer and suspected minimal residual colorectal cancer: a meta-analysis and system review" pdf
... Assessing the quality of reports of randomized clinical t rials: Is blinding necessary ? Control Clinic Trials 1996, 17:1-12 15 Higgins JP, Thompson SG: Quantifying heterogeneity in a meta- analysis ... Phase I trial of a recombinant vaccinia virus encoding carcinoembryonic antigen in metastatic adenocarcinoma: comparison of intradermal versus subcutaneous administration Clin Cancer Res 1999, 5:2330-2337 ... cancer patients Many clinical trials have been conducted using active specific immunotherapy (ASI) in CRC, including autologous tumor cell vaccines, define-tumor protein vaccines, monoclonal antibodies...
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Recent Advances in Vibrations Analysis Part 2 pot
... defined in the region xx0 to distinguish it from the one defined in the region x
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báo cáo hóa học: " Lung function in asbestos-exposed workers, a systematic review and meta-analysis" pdf
... different radiological findings Regression models reported in some of the included studies indicate that the radiological findings can only explain a small part of the variability in these parameters ... Huedo-Medina TB, Sanchez-Meca J, Marin-Martinez F, Botella J: Assessing heterogeneity in meta- analysis: Q statistic or I2 index? Psychol Methods 2006, 11:193-206 Wallace BC, Schmid CH, Lau J, Trikalinos ... the authors in order to collect the missing data Only three authors sent additional information that enabled us to include their publication in the meta- analysis Search strategy MEDLINE was searched...
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Advances in Vibration Analysis Research Part 2 docx
... according to the boundary conditions of the beam Like the FEM, the CEM can be refined using the h-refinement technique by increasing the number of finite elements Moreover, it can also be refined ... Coskun, “Determination of critical buckling loads for Euler columns of variable flexural stiffness with a continuous elastic restraint using Homotopy Perturbation Method”, Int Journal Nonlinear Sci ... Applications of dual MRM for determining the natural frequencies and natural modes of an Euler_Bernoulli beam using the singular value decomposition method, Engineering Analysis with Boundary Elements...
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báo cáo hóa học:" Effects of low power laser irradiation on bone healing in animals: a meta-analysis" pptx
... strength since this is considered the most reliable and definitive indicator of bone healing in animal studies [25,26] Methods A systematic search of five electronic databases including MEDLINE from ... (J/cm2) Co2: 3150 (J/cm2) ** Including 10 minutes on fracture area, 10 minutes on the area above the point of fracture, and 10 minutes on the area below the fracture *** Meta analysis authors calculated ... data in a meta analysis However, we assessed the quality of Teng article base on the QATRS and common quality measurements methods Three articles [25,26,29] were entered into meta analysis, since...
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Research Issues in Systems Analysis and Design, Databases and Software Development phần 2 pot
... are moving to incorporate pair programming into computer science curricula In the case of pair programming research, the effects of programming in pairs are measured against programming individually ... Howard, D (2003) Swimming around the waterfall: Introducing and using agile development in a data centric, traditional software engineering company In Proceedings of 5th International Conference ... practical software engineering experiments In Proceedings of the Third International Conference on Extreme Programming and Agile Processes in Software Engineering, Alghero, Sardinia, Italy Baskerville,...
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Báo cáo y học: "Treatment of psychotic symptoms in bipolar disorder with aripiprazole monotherapy: a meta-analysis" pps
... paper or the clinical study report synopsis In some cases some of the data were extracted or calculated from published meta- analysis or reviews Meta- analysis method The following indices were calculated ... G: A meta- analysis of the use of typical antipsychotic agents in bipolar disorder J Affect Disord 2001, 65(1):85-93 Hunter J, Schmidt F: Methods of Meta- Analysis: Correcting error and bias in Research ... mania, quetiapine and the olanzapine-fluoxetine combination are approved for the treatment of acute bipolar depression, and olanzapine, quetiapine and aripiprazole are approved for maintenance phase...
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Báo cáo y học: "Estimated intelligence quotient in anorexia nervosa: a systematic review and meta-analysis of the literature" pot
... funnel-plot-based method of testing and adjusting for publication bias in meta- analysis Biometrics 2000, 56:455-463 Steichen T: Nonparametric trim and fill analysis of publication bias in meta- analysis Stata ... overall meta- analysis summary The influence of individual studies on the estimated overall effect size (removing each study and recalculating overall effect) was minor Rerunning the meta- analysis ... Figure Results of an influence analysis in which the metaanalysis is re-estimated omitting each study in turn Rerunning the analysis without the study by Mathias and Kent [32] increased the standardised...
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báo cáo khoa học: "Influence of viral hepatitis status on prognosis in patients undergoing hepatic resection for hepatocellular carcinoma: a meta-analysis of observational studies" ppt
... a number of biases, including recall and selection [51] In addition, since HCC is found commonly in China and other parts of South East Asia, most studies included in current meta- analysis were ... hepatocellular carcinoma; AFP = alpha fetoprotein; ALT = alanine aminotransferase; AST = aspartate aminotransferase; T-Bil = total bilirubin; ICG R15 = indocyanine green retention rate at 15 minutes Zhou ... Criteria for Inclusion and Exclusion For inclusion in the meta- analysis, a study had to fulfill the following criteria: 1) evaluate the influence of viral hepatitis status on prognosis in HCC patients...
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Báo cáo y học: "Tolerability and adverse events in clinical trials of celecoxib in osteoarthritis and rheumatoid arthritis: systematic review and meta-analysis of information from company clinical trial report" potx
... ordinal and interval scales is inadequate in relation to meta- analysis Ann Rheum Dis 2001, 60:349-352 Barden J: Meta- analysis to investigate methodological issues in clinical trials using pain ... Liu JLY: Misleading funnel plot for detection of bias in meta- analysis J Clin Epidemiol 2000, 53:477-484 L'Abbe KA, Detsky AS, O'Rourke K: Meta- analysis in clinical research Ann Intern Med 1987, ... gastrointestinal adverse events, we included an overall measure of gastrointestinal tolerability as well as individual gastrointestinal adverse events of nausea, vomiting, abdominal pain, dyspepsia,...
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