John P.A. Ioannidis: h-index, Total Citations, and Citation Map
John P.A. Ioannidis's h-index is 288 (1477 i10-index, 719,630+ total citations across 1,019+ publications) according to Google Scholar as of June 2026. John P.A. Ioannidis is affiliated with Professor of Medicine/Health Research & Policy/Biomedical Data Science/Statistics, Stanford Univ.
John P.A. Ioannidis is a researcher affiliated with Professor of Medicine/Health Research & Policy/Biomedical Data Science/Statistics, Stanford Univ, specializing in meta-research, clinical epidemiology, evidence-based medicine. Their work has been cited 719,630 times. This profile visualizes their global influence, highlighting strong citation networks in United States.
John P.A. Ioannidis's Citation Metrics
Bibliometric impact based on 1,019 indexed publications.
- H-Index
- 288
- i10-Index
- 1477
- Total Citations
- 719,630
- Citing Countries
- 72
As of June 2026.
John P.A. Ioannidis has an h-index of 288 and 719,630 total citations across 1019 publications, with research cited by institutions in 72 countries.
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We've mapped 5,000 of 719,630 citations for John P.A. Ioannidis
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Global Impact Map
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Preferred reporting items for systematic reviews and meta-analyses: the PRISMA statement
2009144,585
Top Citing Countries
Top Citing Institutions
Visa Evidence Package
Views and exports tuned for EB-1A, O-1A, and EB-2 NIW petitions. Sustained acclaim, geographic reach, and independent-citation filtering are the strongest evidence categories immigration adjudicators look for.
Significant Contributions
Auto-detected research lines — a seminal paper and the follow-up work building on it. Review and edit before using in a petition. Each Free PDF opens in a new tab — EB-1A organises this into the structure USCIS applies to Criterion 5 of 8 CFR § 204.5(h)(3)(v); EB-1B re-frames it under § 204.5(i)(3) (outstanding researcher); NIW presents it under prong 2 of Matter of Dhanasar.
2682 citing papers could not be classified (no author data) — excluded from the percentages above.
The researcher established the STROBE guidelines, a seminal framework for standardizing the reporting of observational epidemiological studies, which has become a foundational reference in medical and public health research.
The researcher established the STROBE guidelines, a seminal framework for standardizing the reporting of observational epidemiological studies to enhance transparency and reproducibility.
The researcher established updated reporting guidelines for parallel group randomised trials, creating a seminal standard that significantly improved the transparency and quality of clinical trial reporting.
Citation trend (last 10 years)Click to expand
Citation Trend (Last 10 Years)
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About John P.A. Ioannidis's research
John P.A. Ioannidis is a researcher in meta-research, clinical epidemiology and evidence-based medicine at Professor of Medicine/Health Research & Policy/Biomedical Data Science/Statistics, Stanford Univ. Their work has been cited 719,630 times across 1,019 publications (h-index 288), according to Google Scholar.
Their most-cited work, “Preferred reporting items for systematic reviews and meta-analyses: the PRISMA statement” (2009), has accumulated 144,585 citations. Other influential works include “Preferred reporting items for systematic reviews and meta-analyses: the PRISMA statement” (2009) with 144,014 citations and “The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement: guidelines for reporting observational studies” (2007) with 76,356 citations.
Citations of John P.A. Ioannidis's research come primarily from United States, China and United Kingdom, reflecting international research impact across 5+ countries. The interactive citation map above shows the full geographic distribution of the institutions citing this work.
