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Hospital / health system · Owerri · Nigeria

Federal Medical Centre

In research, Federal Medical Centre stands highest in Life Sciences (#3,432 of 6,403 worldwide), Health Sciences (#5,848 of 9,902 worldwide) and Medicine (#5,411 of 8,541 worldwide), 2022-now.

World rank, 2022-now
#6,632
of 22,385 · #15,749 all time
Rank in Nigeria
#51
of 183
Research works
1.9k
▲ 65% vs 2018-21
Citations
11k
5.8 per fractional work
Top-10% rate
4.7%
all institutions 10.0%
vs its own fields
0.68×
1.00× is exactly expected
Open access
77%
world 40%
International
19%
world 18%

What is Federal Medical Centre known for in research?

The fields where it stands highest, 2022-now, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Life SciencesDomain #3,432 of 6,403 4.0%144 #7576
Health SciencesDomain #5,848 of 9,902 3.7%353 #13089
MedicineField #5,411 of 8,541 3.0%287 #11573
Physical SciencesDomain #7,764 of 10,670 5.3%177 #13674
Social SciencesDomain #7,936 of 9,585 6.8%117 #12933
Agricultural and Biological SciencesField #2,984 of 3,157 4.2%70 #4855

Each strip is that field's whole ranked pool, with the notch where Federal Medical Centre sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which of those standings moved

The same fields on both windows: where it stood over the whole record, and where it stands in 2022-now. The distance is the story, and it is the one thing the two rank columns above cannot show.

  1. Life Sciences#7,576 #3,432
  2. Health Sciences#13,089 #5,848
  3. Medicine#11,573 #5,411
  4. Physical Sciences#13,674 #7,764
  5. Social Sciences#12,933 #7,936
  6. Agricultural and Biological Sciences#4,855 #2,984
all time2022-now, better2022-now, worse

A dot further right is a better standing. Fields it was not ranked in over the whole record are left out.

Which fields of science does Federal Medical Centre work in?

In 2022-now, 44% of research at Federal Medical Centre is in Health Sciences, 22% in Physical Sciences. Its largest fields are Medicine (36%), Agricultural and Biological Sciences (9%), Social Sciences (7%). It does 1.9× the world's share of Health Sciences.

Health Sciences: 417 fractional works · 44.1% of its workMedicine: 343 fractional works · 36.3% of its workEpidemiology: 38 fractional works · 4.0% of its workPublic Health, Environmental and Occupational Health: 37 fractional works · 3.9% of its workSurgery: 33 fractional works · 3.5% of its workInfectious Diseases: 22 fractional works · 2.3% of its workEndocrinology, Diabetes and Metabolism: 18 fractional works · 2.0% of its workPediatrics, Perinatology and Child Health: 16 fractional works · 1.7% of its workObstetrics and Gynecology: 16 fractional works · 1.7% of its workPulmonary and Respiratory Medicine: 15 fractional works · 1.6% of its workCardiology and Cardiovascular Medicine: 15 fractional works · 1.6% of its workOncology: 11 fractional works · 1.2% of its workEmergency Medicine: 10 fractional works · 1.0% of its workRadiology, Nuclear Medicine and Imaging: 9 fractional works · 0.9% of its workHematology: 8 fractional works · 0.8% of its workPhysiology: 7 fractional works · 0.8% of its workReproductive Medicine: 7 fractional works · 0.7% of its workPharmacology: 7 fractional works · 0.7% of its workComplementary and alternative medicine: 7 fractional works · 0.7% of its workPathology and Forensic Medicine: 6 fractional works · 0.7% of its workRheumatology: 6 fractional works · 0.7% of its workGenetics: 6 fractional works · 0.6% of its workOphthalmology: 5 fractional works · 0.5% of its workNephrology: 5 fractional works · 0.5% of its workUrology: 5 fractional works · 0.5% of its workHepatology: 4 fractional works · 0.5% of its workBiochemistry: 4 fractional works · 0.4% of its workNeurology: 4 fractional works · 0.4% of its workPsychiatry and Mental health: 3 fractional works · 0.3% of its workOtorhinolaryngology: 3 fractional works · 0.3% of its workRehabilitation: 3 fractional works · 0.3% of its workInternal Medicine: 2 fractional works · 0.2% of its workCritical Care and Intensive Care Medicine: 2 fractional works · 0.2% of its workSmaller subfields together: 9 fractional works · 1.0% of its workHealth Professions: 47 fractional works · 5.0% of its workGeneral Health Professions: 21 fractional works · 2.2% of its workHealth Information Management: 10 fractional works · 1.0% of its workEmergency Medical Services: 5 fractional works · 0.5% of its workSpeech and Hearing: 3 fractional works · 0.4% of its workRadiological and Ultrasound Technology: 3 fractional works · 0.3% of its workSmaller subfields together: 5 fractional works · 0.6% of its workNursing: 17 fractional works · 1.8% of its workNutrition and Dietetics: 16 fractional works · 1.7% of its workSmaller subfields together: 1 fractional works · 0.1% of its workDentistry: 8 fractional works · 0.9% of its workOral Surgery: 4 fractional works · 0.4% of its workPeriodontics: 3 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.2% of its workVeterinary: 2 fractional works · 0.2% of its workPhysical Sciences: 210 fractional works · 22.2% of its workEnvironmental Science: 62 fractional works · 6.6% of its workPollution: 14 fractional works · 1.5% of its workWater Science and Technology: 12 fractional works · 1.3% of its workHealth, Toxicology and Mutagenesis: 8 fractional works · 0.9% of its workManagement, Monitoring, Policy and Law: 7 fractional works · 0.7% of its workEcology: 6 fractional works · 0.7% of its workEnvironmental Engineering: 4 fractional works · 0.5% of its workIndustrial and Manufacturing Engineering: 4 fractional works · 0.5% of its workGlobal and Planetary Change: 4 fractional works · 0.4% of its workSmaller subfields together: 2 fractional works · 0.2% of its workEngineering: 57 fractional works · 6.0% of its workBiomedical Engineering: 14 fractional works · 1.5% of its workCivil and Structural Engineering: 8 fractional works · 0.8% of its workMechanical Engineering: 7 fractional works · 0.7% of its workElectrical and Electronic Engineering: 7 fractional works · 0.7% of its workBuilding and Construction: 5 fractional works · 0.5% of its workMechanics of Materials: 4 fractional works · 0.4% of its workSafety, Risk, Reliability and Quality: 2 fractional works · 0.2% of its workComputational Mechanics: 2 fractional works · 0.2% of its workControl and Systems Engineering: 2 fractional works · 0.2% of its workAerospace Engineering: 2 fractional works · 0.2% of its workSmaller subfields together: 5 fractional works · 0.5% of its workComputer Science: 31 fractional works · 3.3% of its workInformation Systems: 11 fractional works · 1.1% of its workArtificial Intelligence: 8 fractional works · 0.9% of its workComputer Networks and Communications: 5 fractional works · 0.5% of its workComputer Vision and Pattern Recognition: 4 fractional works · 0.4% of its workSmaller subfields together: 3 fractional works · 0.4% of its workMaterials Science: 18 fractional works · 1.9% of its workMaterials Chemistry: 12 fractional works · 1.2% of its workBiomaterials: 3 fractional works · 0.4% of its workSmaller subfields together: 3 fractional works · 0.3% of its workChemistry: 12 fractional works · 1.3% of its workOrganic Chemistry: 6 fractional works · 0.7% of its workAnalytical Chemistry: 3 fractional works · 0.3% of its workSmaller subfields together: 3 fractional works · 0.3% of its workEnergy: 12 fractional works · 1.2% of its workRenewable Energy, Sustainability and the Environment: 11 fractional works · 1.2% of its workSmaller subfields together: 1 fractional works · 0.1% of its workEarth and Planetary Sciences: 7 fractional works · 0.8% of its workGeochemistry and Petrology: 2 fractional works · 0.3% of its workGeophysics: 2 fractional works · 0.2% of its workSmaller subfields together: 3 fractional works · 0.3% of its workMathematics: 7 fractional works · 0.7% of its workModeling and Simulation: 3 fractional works · 0.3% of its workNumerical Analysis: 2 fractional works · 0.2% of its workSmaller subfields together: 2 fractional works · 0.2% of its workPhysics and Astronomy: 3 fractional works · 0.3% of its workChemical Engineering: 1 fractional works · 0.2% of its workLife Sciences: 176 fractional works · 18.6% of its workAgricultural and Biological Sciences: 87 fractional works · 9.2% of its workPlant Science: 34 fractional works · 3.6% of its workFood Science: 17 fractional works · 1.8% of its workSoil Science: 8 fractional works · 0.9% of its workAnimal Science and Zoology: 7 fractional works · 0.8% of its workAgronomy and Crop Science: 6 fractional works · 0.6% of its workForestry: 4 fractional works · 0.4% of its workAquatic Science: 3 fractional works · 0.4% of its workEcology, Evolution, Behavior and Systematics: 3 fractional works · 0.3% of its workInsect Science: 2 fractional works · 0.2% of its workSmaller subfields together: 2 fractional works · 0.2% of its workBiochemistry, Genetics and Molecular Biology: 50 fractional works · 5.3% of its workMolecular Biology: 20 fractional works · 2.2% of its workGenetics: 12 fractional works · 1.2% of its workMolecular Medicine: 5 fractional works · 0.6% of its workEndocrinology: 5 fractional works · 0.5% of its workSmaller subfields together: 8 fractional works · 0.8% of its workImmunology and Microbiology: 20 fractional works · 2.1% of its workParasitology: 6 fractional works · 0.7% of its workImmunology: 5 fractional works · 0.5% of its workApplied Microbiology and Biotechnology: 3 fractional works · 0.4% of its workMicrobiology: 3 fractional works · 0.3% of its workVirology: 3 fractional works · 0.3% of its workPharmacology, Toxicology and Pharmaceutics: 12 fractional works · 1.3% of its workPharmacology: 9 fractional works · 1.0% of its workSmaller subfields together: 3 fractional works · 0.3% of its workNeuroscience: 7 fractional works · 0.7% of its workSocial Sciences: 142 fractional works · 15.0% of its workSocial Sciences: 69 fractional works · 7.3% of its workSociology and Political Science: 20 fractional works · 2.1% of its workEducation: 16 fractional works · 1.7% of its workHealth: 8 fractional works · 0.8% of its workPolitical Science and International Relations: 5 fractional works · 0.5% of its workCommunication: 4 fractional works · 0.4% of its workSafety Research: 3 fractional works · 0.3% of its workTransportation: 3 fractional works · 0.3% of its workLinguistics and Language: 2 fractional works · 0.3% of its workUrban Studies: 2 fractional works · 0.2% of its workSmaller subfields together: 6 fractional works · 0.7% of its workBusiness, Management and Accounting: 22 fractional works · 2.4% of its workAccounting: 7 fractional works · 0.7% of its workOrganizational Behavior and Human Resource Management: 5 fractional works · 0.5% of its workStrategy and Management: 4 fractional works · 0.5% of its workManagement of Technology and Innovation: 3 fractional works · 0.3% of its workSmaller subfields together: 3 fractional works · 0.4% of its workEconomics, Econometrics and Finance: 20 fractional works · 2.1% of its workEconomics and Econometrics: 17 fractional works · 1.8% of its workSmaller subfields together: 3 fractional works · 0.3% of its workPsychology: 16 fractional works · 1.7% of its workClinical Psychology: 8 fractional works · 0.9% of its workSocial Psychology: 4 fractional works · 0.4% of its workExperimental and Cognitive Psychology: 2 fractional works · 0.2% of its workSmaller subfields together: 2 fractional works · 0.2% of its workArts and Humanities: 9 fractional works · 0.9% of its workLanguage and Linguistics: 4 fractional works · 0.4% of its workLiterature and Literary Theory: 2 fractional works · 0.2% of its workSmaller subfields together: 3 fractional works · 0.3% of its workDecision Sciences: 6 fractional works · 0.6% of its workManagement Science and Operations Research: 3 fractional works · 0.3% of its workInformation Systems and Management: 2 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.1% of its workALL ITS WORKFederal MedicalCentre945fractional works, 2022-now
Life Sciences19%Physical Sciences22%Health Sciences44%Social Sciences15%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in 2022-now. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 26 fields, with their numbers
    1. Medicine34336.3%
    2. Health Professions475.0%
    3. Nursing171.8%
    4. Dentistry80.9%
    5. Veterinary20.2%
    1. Environmental Science626.6%
    2. Engineering576.0%
    3. Computer Science313.3%
    4. Materials Science181.9%
    5. Chemistry121.3%
    6. Energy121.2%
    7. Earth and Planetary Sciences70.8%
    8. Mathematics70.7%
    9. Physics and Astronomy30.3%
    10. Chemical Engineering10.2%
    1. Agricultural and Biological Sciences879.2%
    2. Biochemistry, Genetics and Molecular Biology505.3%
    3. Immunology and Microbiology202.1%
    4. Pharmacology, Toxicology and Pharmaceutics121.3%
    5. Neuroscience70.7%
    1. Social Sciences697.3%
    2. Business, Management and Accounting222.4%
    3. Economics, Econometrics and Finance202.1%
    4. Psychology161.7%
    5. Arts and Humanities90.9%
    6. Decision Sciences60.6%
All of science, and how each field's share has moved since 1950: the Science domain explorer

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 1.93× its world share, 87 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.99× its world share, 50 worksBiochemistry, Geneti…Immunology and Microbiology: 2.12× its world share, 20 worksImmunology and Micro…Neuroscience: 0.44× its world share, 7 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 3.71× its world share, 12 worksPharmacology, Toxico…Chemical Engineering: 0.43× its world share, 1 worksChemical EngineeringChemistry: 0.82× its world share, 12 worksChemistryComputer Science: 0.42× its world share, 31 worksComputer ScienceEarth and Planetary Sciences: 0.48× its world share, 7 worksEarth and Planetary …Energy: 1.34× its world share, 12 worksEnergyEngineering: 0.40× its world share, 57 worksEngineeringEnvironmental Science: 1.32× its world share, 62 worksEnvironmental ScienceMaterials Science: 0.54× its world share, 18 worksMaterials ScienceMathematics: 0.62× its world share, 7 worksMathematicsPhysics and Astronomy: 0.12× its world share, 3 worksPhysics and AstronomyDentistry: 1.82× its world share, 8 worksDentistryHealth Professions: 1.89× its world share, 47 worksHealth ProfessionsMedicine: 1.89× its world share, 343 worksMedicineNursing: 3.59× its world share, 17 worksNursingVeterinary: 1.39× its world share, 2 worksVeterinaryArts and Humanities: 0.33× its world share, 9 worksArts and HumanitiesBusiness, Management and Accounting: 0.73× its world share, 22 worksBusiness, Management…Decision Sciences: 0.63× its world share, 6 worksDecision SciencesEconomics, Econometrics and Finance: 1.00× its world share, 20 worksEconomics, Econometr…Psychology: 0.55× its world share, 16 worksPsychologySocial Sciences: 0.58× its world share, 69 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Pharmacology, Toxicology and Pharmaceutics, 3.7×. Every wedge is a field page.

All 26 fields, with their numbers
  1. Pharmacology, Toxicology and Pharmaceutics3.71×12 works
  2. Nursing3.59×17 works
  3. Immunology and Microbiology2.12×20 works
  4. Agricultural and Biological Sciences1.93×87 works
  5. Health Professions1.89×47 works
  6. Medicine1.89×343 works
  7. Dentistry1.82×8 works
  8. Veterinary1.39×2 works
  9. Energy1.34×12 works
  10. Environmental Science1.32×62 works
  11. Economics, Econometrics and Finance1.00×20 works
  12. Biochemistry, Genetics and Molecular Biology0.99×50 works
  13. Chemistry0.82×12 works
  14. Business, Management and Accounting0.73×22 works
  15. Decision Sciences0.63×6 works
  16. Mathematics0.62×7 works
  17. Social Sciences0.58×69 works
  18. Psychology0.55×16 works
  19. Materials Science0.54×18 works
  20. Earth and Planetary Sciences0.48×7 works
  21. Neuroscience0.44×7 works
  22. Chemical Engineering0.43×1 works
  23. Computer Science0.42×31 works
  24. Engineering0.40×57 works
  25. Arts and Humanities0.33×9 works
  26. Physics and Astronomy0.12×3 works

Who are the top researchers at Federal Medical Centre?

Ranked on the quality score, Christopher Nonso Ekwunife, Muhammad Ujudud Musa and Chimaobi Tim Nnaji lead among researchers whose main affiliation is Federal Medical Centre.

  1. 1 Christopher Nonso Ekwunife Nigeria · #1,632,355 worldwide 735 citations · 24 works
  2. 2 Muhammad Ujudud Musa Nigeria · #2,039,628 worldwide 93 citations · 21 works
  3. 3 Chimaobi Tim Nnaji Nigeria · #2,155,637 worldwide 949 citations · 19 works
  4. 4 Nasiru Raheem Nigeria · #2,995,283 worldwide 7.7k citations · 23 works
  5. 5 Emily Akuabia Nzeribe Nigeria · #3,482,431 worldwide 1.7k citations · 23 works
  6. 6 Henry Ifeanyichukwu Okolie Nigeria · #3,513,855 worldwide 155 citations · 19 works
  7. 7 BRUCE M. NICOL Nigeria · #3,819,266 worldwide 452 citations · 37 works
  8. 8 Seidu Adebayo Bello Nigeria · #4,244,286 worldwide 548 citations · 40 works
  9. 9 Bolatito Betty Fatusin Nigeria · #4,777,565 worldwide 83 citations · 17 works
  10. 10 Haliru Ibrahim Nigeria · #4,925,881 worldwide 106 citations · 15 works
All ranked researchers at Federal Medical Centre

What are the most cited papers from Federal Medical Centre?

The most cited paper from Federal Medical Centre is "The Role of the Reactive Oxygen Species and Oxidative Stress in the Pathomechanism of the Age‐Related Ocular Diseases and Other Pathologies of the Anterior and Posterior Eye Segments in Adults" (Małgorzata Nita, Andrzej E. Grzybowski, 2016), with 1,467 citations. Next come "Indigenous and tribal peoples' health (The Lancet–Lowitja Institute Global Collaboration): a population study" (1,030) and "Advances in drug delivery systems, challenges and future directions" (988).

Most cited papers
#PaperReleasedCitations
1 The Role of the Reactive Oxygen Species and Oxidative Stress in the Pathomechanism of the Age‐Related Ocular Diseases and Other Pathologies of the Anterior and Posterior Eye Segments in Adults Małgorzata Nita, Andrzej E. Grzybowski · Oxidative Medicine and Cellular Longevity Open access 2016 1,467
2 Indigenous and tribal peoples' health (The Lancet–Lowitja Institute Global Collaboration): a population study Ian P S Anderson et al. · The Lancet Open access 26 Apr 2016 1,030
3 Advances in drug delivery systems, challenges and future directions Tobechukwu Christian Ezike, Ugochukwu Solomon Okpala, Ufedo Lovet Onoja et al. · Heliyon Open access Jun 2023 988
4 Burden of 375 diseases and injuries, risk-attributable burden of 88 risk factors, and healthy life expectancy in 204 countries and territories, including 660 subnational locations, 1990–2023: a systematic analysis for the Global Burden of Disease Study 2023 Simon I Hay et al. · The Lancet Open access2,780 authors Oct 2025 762
5 Molecular mechanism of heavy metals (Lead, Chromium, Arsenic, Mercury, Nickel and Cadmium) - induced hepatotoxicity – A review Kaviyarasi Renu, Rituraj Chakraborty, Haritha Myakala et al. · Chemosphere 30 Jan 2021 604
All 61 most cited papers, with filters and sorting

Which keywords describe research at Federal Medical Centre?

By fractional works in 2022-now, weighted toward what it does more of than the world: Epidemiology, Antioxidant, Global Burden, Oxidative Stress, Cardiovascular Disease, Medicinal Plants, Inflammation and Diabetes.

▲ more of its work than of the world's◆ about the world's share▼ less than the world's

Size is fractional works in 2022-now in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Epidemiology99▲ 2.6×118 topics
  2. Oxidative Stress34▲ 2.2×44 topics
  3. Inflammation34▲ 1.68×57 topics
  4. Cardiovascular Disease29▲ 2.7×33 topics
  5. Environmental Impact28▲ 1.75×36 topics
  6. Antioxidant27▲ 4.2×38 topics
  7. Public Health25▲ 1.83×41 topics
  8. Global Burden25▲ 4.8×12 topics
  9. Risk Factors25▲ 2.4×29 topics
  10. Treatment22▲ 1.89×38 topics
  11. Quality of Life21▲ 1.51×41 topics
  12. COVID-1920▲ 1.67×22 topics
  13. Diabetes20▲ 4.2×16 topics
  14. Cancer19▲ 1.49×35 topics
  15. Medicinal Plants19▲ 5.1×15 topics
  16. Metabolic Syndrome19▲ 2.4×21 topics
  17. Diagnosis18▲ 2.1×33 topics
  18. Immune Response18▲ 3.3×17 topics
  19. Antioxidant Activity18▲ 3.0×24 topics
  20. Insulin Resistance17▲ 4.1×9 topics
  21. Vaccine17▲ 4.6×11 topics
  22. Toxicity17▲ 4.0×17 topics
  23. Antioxidants16▲ 3.9×15 topics
  24. Vaccine Development15▲ 6.3×8 topics
  25. Anti-inflammatory15▲ 5.6×24 topics
  26. Genetic Diversity15▲ 3.6×17 topics
  27. Pathogenesis15▲ 3.0×20 topics
  28. Bioactive Compounds14▲ 6.1×14 topics
  29. Maternal Mortality14▲ 6.5×5 topics
  30. Herbal Medicine13▲ 4.7×10 topics
  31. Heavy Metals12▲ 5.5×7 topics
  32. Antibiotic Resistance12▲ 3.2×12 topics
  33. Infectious Diseases11▲ 3.6×8 topics
  34. Bioavailability10▲ 5.6×6 topics
  35. Flavonoids10▲ 4.3×9 topics
  36. Phytochemicals8▲ 8.0×8 topics
  37. Genome Sequence8▲ 10.0×3 topics
  38. Insecticide Resistance8▲ 10×3 topics
  39. Disease Burden7▲ 10×2 topics
  40. Artemisinin Resistance7▲ 23×1 topic

Which research topics does Federal Medical Centre publish most on?

By volume in 2022-now: Malaria Research and Control, Global Maternal and Child Health, Child Nutrition and Water Access and Heavy metals in environment.

  1. 1 Malaria Research and Control Public Health, Environmental and Occupational Health 7 works
  2. 2 Global Maternal and Child Health Pediatrics, Perinatology and Child Health 6 works
  3. 3 Child Nutrition and Water Access Nutrition and Dietetics 6 works
  4. 4 Heavy metals in environment Pollution 6 works
  5. 5 Parasites and Host Interactions Parasitology 6 works
  6. 6 Global Health and Epidemiology Health Information Management 5 works
  7. 7 Natural Antidiabetic Agents Studies Endocrinology, Diabetes and Metabolism 5 works
  8. 8 Economic Growth and Development Information Systems 5 works
  9. 9 Vaccine Coverage and Hesitancy Health 5 works
  10. 10 Cervical Cancer and HPV Research Epidemiology 5 works

How open and international is its research?

Against the world's own shares: the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available76.6%not open23.4%

World: 40% of research is openly available.

with international co-authors19.0%domestic only81.0%

World: 18% is written across borders.

How has Federal Medical Centre's research output changed?

Output in 2022-2025 was 65% higher than in 2018-2021.

still counting1990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Federal Medical Centre as a percentage of every work published that year, 0.0032% in 2024.

still counting0.0020%0.0040%0.0060%Federal Medical Centre0.0052% in 202519801990200020102020

Fractional works of Federal Medical Centre over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year, against all institutions in the same year.

still counting5%10%15%all institutions10.0% in 2025Federal Medical Centre4.4% in 20252020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 5.9% in 2024.

Other research institutions in Owerri

All research institutions in Owerri

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Federal Medical Centre on Science Explorer

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