Ioannidis, John P. A.

Why Most Discovered True Associations Are Inflated

Ioannidis, J. P. A. (2008) · Epidemiology

Meta-analysis and systematic reviewsStatistical Methods in Epidemiology

Cited by 1,495

The Mass Production of Redundant, Misleading, and Conflicted Systematic Reviews and Meta‐analyses

IOANNIDIS, J. P. A. (2016) · The Milbank Quarterly

Meta-analysis and systematic reviewsPharmaceutical industry and healthcare

Cited by 1,483

Contradicted and Initially Stronger Effects in Highly Cited Clinical Research

Ioannidis, J. P. A. (2005) · JAMA

Meta-analysis and systematic reviewsscientometrics and bibliometrics research

Cited by 1,465

How to increase value and reduce waste when research priorities are set

Chalmers, I., Bracken, M. B., Djulbegovic, B., Garattini, S., Grant, J., Gülmezoglu, A. M., Howells, D. W., Ioannidis, J. P. A., & Oliver, S. (2014) · The Lancet

Health and Medical Research ImpactsResearch, Science, and Academia

Cited by 1,436

What does research reproducibility mean?

Goodman, S. N., Fanelli, D., & Ioannidis, J. P. A. (2016) · Science Translational Medicine

Scientific Computing and Data ManagementAcademic Publishing and Open Access

Cited by 1,293

Uncertainty in heterogeneity estimates in meta-analyses

Ioannidis, J. P. A., Patsopoulos, N. A., & Evangelou, E. (2007) · BMJ

Meta-analysis and systematic reviewsStatistical Methods in Epidemiology

Cited by 1,254

CONSORT 2025 statement: updated guideline for reporting randomised trials

Hopewell, S., Chan, A.-W., Collins, G. S., Hróbjartsson, A., Moher, D., Schulz, K. F., Tunn, R., Aggarwal, R., Berkwits, M., Berlin, J. A., et al. (2025) · BMJ

Meta-analysis and systematic reviewsDelphi Technique in Research

Cited by 1,195

Artificial intelligence versus clinicians: systematic review of design, reporting standards, and claims of deep learning studies

Nagendran, M., Chen, Y., Lovejoy, C. A., Gordon, A. C., Komorowski, M., Harvey, H., Topol, E. J., Ioannidis, J. P. A., Collins, G. S., & Maruthappu, M. (2020) · BMJ

Artificial Intelligence in Healthcare and EducationAI in cancer detection

Cited by 1,152

Evaluation of networks of randomized trials

Salanti, G., Higgins, J. P., Ades, A., & Ioannidis, J. P. (2008) · Statistical Methods in Medical Research

Meta-analysis and systematic reviewsStatistical Methods in Clinical Trials

Cited by 1,078

Systematic meta-analyses and field synopsis of genetic association studies in schizophrenia: the SzGene database

Allen, N. C., Bagade, S., McQueen, M. B., Ioannidis, J. P. A., Kavvoura, F. K., Khoury, M. J., Tanzi, R. E., & Bertram, L. (2008) · Nature Genetics

Schizophrenia research and treatmentGenetic Associations and Epidemiology

Cited by 1,054

The appropriateness of asymmetry tests for publication bias in meta-analyses: A large survey

Ioannidis, J. P. A., & Trikalinos, T. A. (2007) · Canadian Medical Association Journal

Meta-analysis and systematic reviewsStatistical Methods in Epidemiology

Cited by 1,052

Influence of Reported Study Design Characteristics on Intervention Effect Estimates From Randomized, Controlled Trials

Savović, J., Jones, H. E., Altman, D. G., Harris, R. J., Jüni, P., Pildal, J., Als-Nielsen, B., Balk, E. M., Gluud, C., Gluud, L. L., et al. (2012) · Annals of Internal Medicine

Meta-analysis and systematic reviewsStatistical Methods in Clinical Trials

Cited by 1,049

Reproducibility in Science: Improving the Standard for Basic and Preclinical Research

Begley, C. G., & Ioannidis, J. P. A. (2015) · Circulation Research

Academic Publishing and Open AccessAnimal testing and alternatives

Cited by 1,035

Biomedical research: increasing value, reducing waste.

Macleod, M. R., Michie, S., Roberts, I., Dirnagl, U., Chalmers, I., Ioannidis, J. P. A., Salman, R. A.-S., Chan, A.-W., & Glasziou, P. (2014) · The Lancet

Health and Medical Research ImpactsScience, Research, and Medicine

Cited by 1,003

Vitamin D and multiple health outcomes: umbrella review of systematic reviews and meta-analyses of observational studies and randomised trials

Theodoratou, E., Tzoulaki, I., Zgaga, L., & Ioannidis, J. P. A. (2014) · BMJ

Vitamin D Research StudiesNutrition and Health Studies

Cited by 956

Opportunities and challenges in developing risk prediction models with electronic health records data: A systematic review

Goldstein, B. A., Navar, A. M., Pencina, M. J., & Ioannidis, J. P. A. (2017) · Journal of the American Medical Informatics Association

Machine Learning in HealthcareElectronic Health Records Systems

Cited by 936

Comparison of Evidence of Treatment Effects in Randomized and Nonrandomized Studies

Ioannidis, J. P. A. (2001) · JAMA

Meta-analysis and systematic reviewsAdvanced Causal Inference Techniques

Cited by 919

STrengthening the REporting of Genetic Association Studies (STREGA)— An Extension of the STROBE Statement

Little, J., Higgins, J. P. T., Ioannidis, J. P. A., Moher, D., Gagnon, F., von Elm, E., Khoury, M. J., Cohen, B., Davey-Smith, G., Grimshaw, J., et al. (2009) · PLoS Medicine

Meta-analysis and systematic reviewsGenetic Associations and Epidemiology

Cited by 811

EULAR recommendations for the management of systemic lupus erythematosus. Report of a Task Force of the EULAR Standing Committee for International Clinical Studies Including Therapeutics

Bertsias, G., Ioannidis, J. P. A., Boletis, J., Bombardieri, S., Cervera, R., Dostal, C., Font, J., Gilboe, I. M., Houssiau, F., Huizinga, T., et al. (2008) · Annals of the Rheumatic Diseases

Systemic Lupus Erythematosus ResearchSystemic Sclerosis and Related Diseases

Cited by 762

Empirical assessment of published effect sizes and power in the recent cognitive neuroscience and psychology literature

Szucs, D., & Ioannidis, J. P. A. (2017) · PLOS Biology

Meta-analysis and systematic reviewsPsychology Research and Bibliometrics

Cited by 761

How to Make More Published Research True

Ioannidis, J. P. A. (2014) · PLoS Medicine

Academic Publishing and Open AccessAcademic integrity and plagiarism

Cited by 760

An exploratory test for an excess of significant findings

Ioannidis, J. P., & Trikalinos, T. A. (2007) · Clinical Trials

Meta-analysis and systematic reviewsAcademic integrity and plagiarism

Cited by 751

Development of the instrument to assess the credibility of effect modification analyses (ICEMAN) in randomized controlled trials and meta-analyses

Schandelmaier, S., Briel, M., Varadhan, R., Schmid, C. H., Devasenapathy, N., Hayward, R. A., Gagnier, J., Borenstein, M., van der Heijden, G. J. M. G., Dahabreh, I. J., et al. (2020) · Canadian Medical Association Journal

Meta-analysis and systematic reviewsStatistical Methods in Clinical Trials

Cited by 749

Demystifying trial networks and network meta-analysis

Mills, E. J., Thorlund, K., & Ioannidis, J. P. A. (2013) · BMJ

Meta-analysis and systematic reviewsStatistical Methods in Clinical Trials

Cited by 742