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1. Meta-Analysis with R
by Schwarzer, Guido and Carpenter, James R and Rücker, Gerta and SpringerLink (Online service)
2015, Use R!, ISBN 9783319214160
This book provides a comprehensive introduction to performing meta-analysis using the statistical software R. It is intended for quantitative researchers and... 
Biostatistics | Statistics
Web Resource
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2. Meta-Analysis with R
by Schwarzer, Guido and Carpenter, James R and Rücker, Gerta and SpringerLink (Online service)
2015, Use R!, ISBN 9783319214160
This book provides a comprehensive introduction to performing meta-analysis using the statistical software R. It is intended for quantitative researchers and... 
Biostatistics | Statistics
Web Resource
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3. Full Text Recombinant human erythropoiesis-stimulating agents and mortality in patients with cancer: a meta-analysis of randomised trials
by Bohlius, Julia, MD and Schmidlin, Kurt, DMD and Brillant, Corinne, MSc and Schwarzer, Guido, PhD and Trelle, Sven, MD and Seidenfeld, Jerome, PhD and Zwahlen, Marcel, PhD and Clarke, Michael, Prof and Weingart, Olaf, MD and Kluge, Sabine, MA and Piper, Margaret, PhD and Rades, Dirk, MD and Steensma, David P, MD and Djulbegovic, Benjamin, Prof and Fey, Martin F, Prof and Ray-Coquard, Isabelle, MD and Machtay, Mitchell, Prof and Moebus, Volker, Prof and Thomas, Gillian, Prof and Untch, Michael, Prof and Schumacher, Martin, Prof and Egger, Matthias, Prof and Engert, Andreas, Prof
Lancet, The, ISSN 0140-6736, 2009, Volume 373, Issue 9674, pp. 1532 - 1542
Summary Background Erythropoiesis-stimulating agents reduce anaemia in patients with cancer and could improve their quality of life, but these drugs might... 
Internal Medicine | CELL LUNG-CANCER | PHASE-III TRIAL | MEDICINE, GENERAL & INTERNAL | PLATINUM-BASED CHEMOTHERAPY | DOUBLE-BLIND | NON-HODGKINS-LYMPHOMA | QUALITY-OF-LIFE | PLACEBO-CONTROLLED TRIAL | CHRONIC KIDNEY-DISEASE | WEEKLY EPOETIN-ALPHA | PATIENTS RECEIVING CHEMOTHERAPY | Humans | Middle Aged | Erythropoietin - adverse effects | Male | Antineoplastic Agents - therapeutic use | Recombinant Proteins | Young Adult | Neoplasms - complications | Anemia - drug therapy | Adult | Female | Anemia - etiology | Effect Modifier, Epidemiologic | Hematinics - therapeutic use | Erythrocyte Transfusion | Proportional Hazards Models | Neoplasms - mortality | Hematinics - adverse effects | Linear Models | Survival Rate | Treatment Outcome | Neoplasms - drug therapy | Randomized Controlled Trials as Topic | Adolescent | Aged | Research Design | Prevention | Complications and side effects | Care and treatment | Anemia | Research | Comparative analysis | Blood transfusion | Health aspects | Risk factors | Erythropoietin, Recombinant | Cancer | Studies | Clinical trials | Radiation therapy | Mortality | Meta-analysis | Index Medicus | Abridged Index Medicus
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4. Full Text Arcsine test for publication bias in meta‐analyses with binary outcomes
by Rücker, Gerta and Schwarzer, Guido and Carpenter, James
Statistics in Medicine, ISSN 0277-6715, 02/2008, Volume 27, Issue 5, pp. 746 - 763
In meta‐analyses, it sometimes happens that smaller trials show different, often larger, treatment effects. One possible reason for such ‘small study effects’... 
arcsine transformation | publication bias | meta‐analysis | small study effects | between‐study heterogeneity | Copas model | Arcsine transformation | Publication bias | Small study effects | Between-study heterogeneity | Meta-analysis | MEDICINE, RESEARCH & EXPERIMENTAL | between-study heterogeneity | TRIALS | MEDICAL INFORMATICS | meta-analysis | STATISTICS & PROBABILITY | HETEROGENEITY | PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH | MATHEMATICAL & COMPUTATIONAL BIOLOGY | STATISTICAL TESTS | Publication Bias - statistics & numerical data | Data Interpretation, Statistical | Meta-Analysis as Topic | Models, Statistical | Correlation analysis | Bias | Models | Effects | Random variables | Regression analysis | Index Medicus
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5. Full Text Reduce dimension or reduce weights? Comparing two approaches to multi‐arm studies in network meta‐analysis
by Rücker, Gerta and Schwarzer, Guido
Statistics in Medicine, ISSN 0277-6715, 11/2014, Volume 33, Issue 25, pp. 4353 - 4369
Network meta‐analysis is a statistical method combining information from randomised trials that compare two or more treatments for a given medical condition.... 
multi‐arm trials | meta‐analysis | network meta‐analysis | graph theory | Network meta-analysis | Graph theory | Multi-arm trials | Meta-analysis | MEDICINE, RESEARCH & EXPERIMENTAL | TRIALS | MEDICAL INFORMATICS | meta-analysis | STATISTICS & PROBABILITY | DESIGNS | HETEROGENEITY | PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH | multi-arm trials | INCONSISTENCY | MATHEMATICAL & COMPUTATIONAL BIOLOGY | network meta-analysis | Depression - drug therapy | Meta-Analysis as Topic | Humans | Depression - psychology | Treatment Outcome | Clinical Trials as Topic - methods | Models, Statistical | Odds Ratio | Clinical trials | Systematic review | Matrix | Regression analysis | Comparative analysis | Index Medicus
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6. Full Text Undue reliance on I2 in assessing heterogeneity may mislead
by Rücker, Gerta and Schwarzer, Guido and Carpenter, James R and Schumacher, Martin
BMC Medical Research Methodology, ISSN 1471-2288, 2008, Volume 8, Issue 1, pp. 79 - 79
BACKGROUND: The heterogeneity statistic I2, interpreted as the percentage of variability due to heterogeneity between studies rather than sampling error,... 
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7. Full Text Comparative Efficacy and Acceptability of Pharmacological, Psychotherapeutic, and Combination Treatments in Adults With Posttraumatic Stress Disorder: A Network Meta-analysis
by Merz, Jasmin and Schwarzer, Guido and Gerger, Heike
JAMA psychiatry, ISSN 2168-622X, 06/2019
Posttraumatic stress disorder (PTSD) is a prevalent mental disorder, with a high risk of chronicity, comorbidity, and functional impairment; PTSD is... 
Psychotherapy | Treatment Effectiveness | Meta Analysis | Treatment Dropouts | Drug Therapy
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8. Full Text Contribution to the discussion of “When should meta‐analysis avoid making hidden normality assumptions?”
by Rücker, Gerta and Schwarzer, Guido
Biometrical Journal, ISSN 0323-3847, 11/2018, Volume 60, Issue 6, pp. 1071 - 1072
Normality
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9. Full Text Recommendations for examining and interpreting funnel plot asymmetry in meta-analyses of randomised controlled trials
by Sterne, Jonathan A C and Sutton, Alex J and Ioannidis, John P A and Terrin, Norma and Jones, David R and Lau, Joseph and Carpenter, James and Rücker, Gerta and Harbord, Roger M and Schmid, Christopher H and Tetzlaff, Jennifer and Deeks, Jonathan J and Peters, Jaime and Macaskill, Petra and Schwarzer, Guido and Duval, Sue and Altman, Douglas G and Moher, David and Higgins, Julian P T
BMJ, ISSN 0959-8138, 7/2011, Volume 343, Issue 7818, pp. 302 - 307
Funnel plots, and tests for funnel plot asymmetry, have been widely used to examine bias in the results of meta-analyses. Funnel plot asymmetry should not be... 
Statistical bias | Recommendations | Estimation bias | Research biases | Meta analysis | Experimentation | Sampling bias | Standard error | Magnesium | RESEARCH METHODS & REPORTING | Geometric funnels | MEDICINE, GENERAL & INTERNAL | Selection Bias | Meta-Analysis as Topic | Statistics as Topic - methods | Randomized Controlled Trials as Topic | Clinical trials | Meta-analysis | Index Medicus | Abridged Index Medicus
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10. Full Text Sole reliance on I2 may mislead
by Schwarzer, Guido and Schumacher, Martin and Rücker, Gerta
Heart, ISSN 1355-6037, 09/2017, Volume 103, Issue 18, pp. 1471 - 1472
Like the authors, we think that graphics play a major role to concisely summarise meta-analysis results and to evaluate heterogeneity between studies and... 
Meta-analysis | Studies
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11. Full Text Hartung–Knapp method is not always conservative compared with fixed‐effect meta‐analysis
by Wiksten, Anna and Rücker, Gerta and Schwarzer, Guido
Statistics in Medicine, ISSN 0277-6715, 07/2016, Volume 35, Issue 15, pp. 2503 - 2515
A widely used method in classic random‐effects meta‐analysis is the DerSimonian–Laird method. An alternative meta‐analytical approach is the Hartung–Knapp... 
empirical evaluation | meta‐analysis | Hartung–Knapp method | DerSimonian‐Laird method | DerSimonian-Laird method | Hartung-Knapp method | Empirical evaluation | Meta-analysis | MEDICINE, RESEARCH & EXPERIMENTAL | TESTS | REFINED METHOD | MEDICAL INFORMATICS | meta-analysis | STATISTICS & PROBABILITY | SIMULATION | EFFECTS META-REGRESSION | PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH | MODELS | CLINICAL-TRIALS | MATHEMATICAL & COMPUTATIONAL BIOLOGY | Probability | Treatment Outcome | Meta-Analysis as Topic | Humans | Clinical trials | Statistical methods | Index Medicus
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12. Full Text Ranking treatments in frequentist network meta-analysis works without resampling methods
by Rücker, Gerta and Schwarzer, Guido
BMC Medical Research Methodology, ISSN 1471-2288, 07/2015, Volume 15, Issue 1, pp. 58 - 58
Background: Network meta-analysis is used to compare three or more treatments for the same condition. Within a Bayesian framework, for each treatment the... 
Network meta-analysis | Ranking | 'Probability of being best'-statistic | p-value | SUCRA | Surface under the cumulative ranking | AUC | EFFICACY | BIAS | CARE DECISION-MAKING | ACCEPTABILITY | MODEL | MULTIPLE | ISPOR TASK-FORCE | HEALTH CARE SCIENCES & SERVICES | Data Interpretation, Statistical | Meta-Analysis as Topic | Reproducibility of Results | Algorithms | Review Literature as Topic | Humans | Bayes Theorem | Biomedical Research - methods | Biometry - methods | Index Medicus
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13. Full Text Methods for evidence synthesis in the case of very few studies
by Bender, Ralf and Friede, Tim and Koch, Armin and Kuss, Oliver and Schlattmann, Peter and Schwarzer, Guido and Skipka, Guido
Research Synthesis Methods, ISSN 1759-2879, 09/2018, Volume 9, Issue 3, pp. 382 - 392
In systematic reviews, meta‐analyses are routinely applied to summarize the results of the relevant studies for a specific research question. If one can assume... 
random effects | evidence synthesis | meta‐analysis | common effect | very few studies | fixed effects | meta-analysis | ADD | RANDOM-EFFECTS METAANALYSIS | MULTIDISCIPLINARY SCIENCES | HETEROGENEITY VARIANCE | EXTENT | MATHEMATICAL & COMPUTATIONAL BIOLOGY | PREDICTIVE-DISTRIBUTIONS | Abatacept - pharmacology | Data Interpretation, Statistical | Meta-Analysis as Topic | Uncertainty | Renal Insufficiency - surgery | Cyclosporine - pharmacology | Humans | Male | Kidney Transplantation | Statistics as Topic | Models, Statistical | Prostatic Neoplasms, Castration-Resistant - drug therapy | Neoplasm Metastasis | Algorithms | Computer Simulation | Bayes Theorem | Female | Immunosuppressive Agents - pharmacology | Quality of Health Care | Literature reviews | Heterogeneity | Systematic review | Methods | Meta-analysis | Index Medicus
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14. Full Text Why add anything to nothing? The arcsine difference as a measure of treatment effect in meta-analysis with zero cells
by Rücker, Gerta and Schwarzer, Guido and Carpenter, James and Olkin, Ingram
Statistics in Medicine, ISSN 0277-6715, 02/2009, Volume 28, Issue 5, pp. 721 - 738
For clinical trials with binary endpoints there are a variety of effect measures, for example risk difference, risk ratio and odds ratio (OR). The choice of... 
Arcsine transformation | Rare events | Zero event trials | Effect measures | Meta-analysis | MEDICINE, RESEARCH & EXPERIMENTAL | effect measures | MYOCARDIAL-INFARCTION | RANDOMIZED-TRIALS | MEDICAL INFORMATICS | BIAS | zero event trials | meta-analysis | BINARY OUTCOMES | RISK | STATISTICS & PROBABILITY | DEATH | arcsine transformation | HETEROGENEITY | CHOICE | PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH | CLINICAL-TRIALS | MATHEMATICAL & COMPUTATIONAL BIOLOGY | ROSIGLITAZONE | rare events | Confidence Intervals | Meta-Analysis as Topic | Risk Assessment | Bias | Humans | Risk | Treatment Outcome | Postoperative Complications - epidemiology | Models, Statistical | Coronary Artery Bypass, Off-Pump - adverse effects | Sample Size | Algorithms | Analysis of Variance | Computer Simulation | Clinical Trials as Topic - methods | Odds Ratio | Clinical trials | Parameter estimation | Medical statistics | Heart surgery | Index Medicus
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15. Full Text Sole reliance on I2may mislead
by Schwarzer, Guido and Schumacher, Martin and Rücker, Gerta
Heart, ISSN 1355-6037, 09/2017, Volume 103, Issue 18, pp. 1471 - 1472
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16. Full Text The Hartung‐Knapp modification for random‐effects meta‐analysis: A useful refinement but are there any residual concerns?
by Jackson, Dan and Law, Martin and Rücker, Gerta and Schwarzer, Guido
Statistics in Medicine, ISSN 0277-6715, 11/2017, Volume 36, Issue 25, pp. 3923 - 3934
The modified method for random‐effects meta‐analysis, usually attributed to Hartung and Knapp and also proposed by Sidik and Jonkman, is easy to implement and... 
random‐effects models | small sample inference | statistical conventions | random-effects models | MEDICINE, RESEARCH & EXPERIMENTAL | MEDICAL INFORMATICS | SIMPLE CONFIDENCE-INTERVAL | STATISTICS & PROBABILITY | REEVALUATION | HETEROGENEITY | PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH | CLINICAL-TRIALS | MATHEMATICAL & COMPUTATIONAL BIOLOGY | VARIANCE | Medical statistics | Meta-analysis | Index Medicus
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17. Full Text Herpes simplex virus type 1 epidemiology in the Middle East and North Africa: systematic review, meta-analyses, and meta-regressions
by Chaabane, Sonia and Harfouche, Manale and Chemaitelly, Hiam and Schwarzer, Guido and Abu-Raddad, Laith J
Scientific Reports, ISSN 2045-2322, 12/2019, Volume 9, Issue 1, pp. 1136 - 1136
This study aimed at characterizing herpes simplex virus type 1 (HSV-1) epidemiology in the Middle East and North Africa (MENA). HSV-1 records were... 
ANTIBODIES | PERFORMANCE | MULTIDISCIPLINARY SCIENCES | GENITAL HERPES | 2 INFECTION | PREGNANT-WOMEN | POPULATIONS | PREVALENCE | SEROPREVALENCE | HSV-2 | TRENDS
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