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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
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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
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4. 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, Volume 76, Issue 9, p. 904
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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5. 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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6. 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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7. 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
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8. 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
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9. 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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10. 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, p. 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
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11. Full Text Effect of specialist palliative care services on quality of life in adults with advanced incurable illness in hospital, hospice, or community settings: systematic review and meta-analysis
by Gaertner, Jan and Siemens, Waldemar and Meerpohl, Joerg J and Antes, Gerd and Meffert, Cornelia and Xander, Carola and Stock, Stephanie and Mueller, Dirk and Schwarzer, Guido and Becker, Gerhild
BMJ, ISSN 0959-8138, 7/2017, Volume 357, p. j2925
Objective To assess the effect of specialist palliative care on quality of life and additional outcomes relevant to patients in those with advanced... 
CONTROLLED-TRIAL | MEDICINE, GENERAL & INTERNAL | IMPACT | INTEGRATION | FUNCTIONAL ASSESSMENT | OUTCOMES | SCALE | SPIRITUALITY | WORLD | AMERICAN SOCIETY | CANCER-THERAPY | Decision Making | Outcome Assessment (Health Care) | Caregivers - psychology | Humans | Palliative Care - standards | Quality of Life | Adult | Terminally Ill - psychology | Hospices | Randomized Controlled Trials as Topic
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12. 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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13. 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
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14. 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
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15. 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 - 11
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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16. Full Text Seroprevalence of Chronic Hepatitis B Virus Infection and Prior Immunity in Immigrants and Refugees: A Systematic Review and Meta-Analysis
by Rossi, Carmine and Shrier, Ian and Marshall, Lee and Cnossen, Sonya and Schwartzman, Kevin and Klein, Marina B and Schwarzer, Guido and Greenaway, Chris
PLoS ONE, ISSN 1932-6203, 09/2012, Volume 7, Issue 9, p. e44611
Background: International migrants experience increased mortality from hepatocellular carcinoma compared to host populations, largely due to undetected chronic... 
UNITED-STATES | COST-EFFECTIVENESS | ADVISORY-COMMITTEE | RECOMMENDATIONS | MULTIDISCIPLINARY SCIENCES | MIGRANTS | ELIMINATE TRANSMISSION | GLOBAL EPIDEMIOLOGY | COMPREHENSIVE IMMUNIZATION STRATEGY | Geography | Liver Neoplasms - virology | Europe, Eastern | Carcinoma, Hepatocellular - epidemiology | Prevalence | Humans | Africa South of the Sahara | Seroepidemiologic Studies | Carcinoma, Hepatocellular - virology | Refugees | Hepatitis B, Chronic - virology | Liver Neoplasms - epidemiology | Regression Analysis | Hepatitis B, Chronic - complications | Hepatitis B, Chronic - blood | Hepatitis B virus - metabolism | Far East | Emigrants and Immigrants | Prevention | Medical research | Immigration policy | Mortality | Vaccination | Medicine, Experimental | Comparative analysis | Health aspects | Immigrants | Hepatitis B | Control methods | Antibodies | Chronic infection | Viruses | Risk | Hepatocellular carcinoma | Systematic review | Infections | Epidemiology | Immunity | Hepatitis | Liver cancer | Regression models | Occupational health | Hepatitis B virus | Antigens | Aliens | Health risks | Regression analysis | Disease control | Disease prevention | Studies | Infectious diseases | Hospitals | Migrants | Reviews | Cost analysis | Health risk assessment | Viral infections | surface antigens | Data processing | Risk factors | Census | Databases | Models
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17. Full Text The seroprevalence of hepatitis C antibodies in immigrants and refugees from intermediate and high endemic countries: A systematic review and meta-analysis
by Greenaway, Christina and Ma, Ann Thu and Kloda, Lorie A and Klein, Marina and Cnossen, Sonya and Schwarzer, Guido and Shrier, Ian
PLoS ONE, ISSN 1932-6203, 11/2015, Volume 10, Issue 11, p. e0141715
Background & Aims Hepatitis C virus (HCV) infection is a significant global health issue that leads to 350,000 preventable deaths annually due to associated... 
COST-EFFECTIVENESS | GENERAL-POPULATION | AFRICAN IMMIGRANTS | VIRUS-INFECTION | MULTIDISCIPLINARY SCIENCES | HIV-INFECTIONS | VIRAL MARKERS | PREGNANT-WOMEN | ALBANIAN REFUGEES | BLOOD-DONORS | HCV INFECTION | Endemic Diseases | Young Adult | Hepatitis C Antibodies - blood | Hepatitis C - epidemiology | Humans | Adolescent | Adult | Seroepidemiologic Studies | Refugees | Emigrants and Immigrants | Public health administration | Forecasts and trends | Hepatitis C | Immigrants | Health aspects | Distribution | Bias | Migration | Antibodies | Viruses | Hepatocellular carcinoma | Systematic review | Infections | Epidemiology | Hepatitis | Databases | Baby boomers | Public health | Medical research | Aliens | Liver diseases | Blood products | Blood & organ donations | Mortality | Health risks | Regression analysis | Studies | Cirrhosis | Infectious diseases | Hospitals | Migrants | Womens health | Hepatitis C virus
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