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Hospital / health system · Nnewi · Nigeria

Nnamdi Azikiwe University Teaching Hospital

In research, Nnamdi Azikiwe University Teaching Hospital stands highest in Health Sciences (#9,772 of 11,982 worldwide) and Medicine (#8,686 of 10,443 worldwide), 2022–2025.

nauth.org.ngROR OpenAlex
World rank, 2022–2025
#21,627
of 28,054 · #29,876 all time
Rank in Nigeria
#156
of 191
Research works
1k
▲ 5% vs 2013–17
Citations
8.6k
8.3 per fractional work
Top-10% rate
3.7%
record average 16.5%
Open access
70%
world 28%

What is Nnamdi Azikiwe University Teaching Hospital known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Health SciencesDomain #9,772 of 11,982 3.0%209 #12424
MedicineField #8,686 of 10,443 2.7%189 #10732

Each strip is that field’s whole ranked pool, with the notch where Nnamdi Azikiwe University Teaching Hospital 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 world mark, because the world rate differs by field (from about 6% to 21% in this record).

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: 0.37× its world share, 5 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.59× its world share, 8 worksBiochemistry, Geneti…Immunology and Microbiology: 2.30× its world share, 6 worksImmunology and Micro…Neuroscience: 0.50× its world share, 2 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.15× its world share, 1 worksPharmacology, Toxico…Chemistry: 0.08× its world share, 0 worksChemistryComputer Science: 0.11× its world share, 2 worksComputer ScienceEnergy: 0.02× its world share, 0 worksEnergyEngineering: 0.06× its world share, 2 worksEngineeringEnvironmental Science: 0.19× its world share, 2 worksEnvironmental ScienceMaterials Science: 0.02× its world share, 0 worksMaterials ScienceMathematics: 0.34× its world share, 1 worksMathematicsDentistry: 1.34× its world share, 2 worksDentistryHealth Professions: 2.11× its world share, 15 worksHealth ProfessionsMedicine: 3.74× its world share, 189 worksMedicineNursing: 2.67× its world share, 3 worksNursingVeterinary: 0.70× its world share, 0 worksVeterinaryArts and Humanities: 0.08× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.32× its world share, 3 worksBusiness, Management…Decision Sciences: 0.21× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.58× its world share, 3 worksEconomics, Econometr…Psychology: 0.91× its world share, 7 worksPsychologySocial Sciences: 0.27× its world share, 9 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

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

Who are the top researchers at Nnamdi Azikiwe University Teaching Hospital?

Ranked on the composite score, George Uchenna Eleje, Chinomnso C. Nnebue and JE Ahaneku lead among researchers whose main affiliation is Nnamdi Azikiwe University Teaching Hospital.

  1. 1 George Uchenna Eleje Nigeria · #672,493 worldwide 71 citations · 59 works
  2. 2 Chinomnso C. Nnebue Nigeria · #950,231 worldwide 6 citations · 16 works
  3. 3 JE Ahaneku Nigeria · #1,235,591 worldwide 4 citations · 15 works
All ranked researchers at Nnamdi Azikiwe University Teaching Hospital

Which keywords describe research at Nnamdi Azikiwe University Teaching Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Maternal Mortality, Risk Factors, Metabolic Syndrome, Cardiovascular Disease, Insulin Resistance, Obesity and Public Health.

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

Size is fractional works in 2022–2025 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. Epidemiology40▲ 3.9×83 topics
  2. Risk Factors15▲ 5.2×27 topics
  3. Metabolic Syndrome13▲ 6.2×19 topics
  4. Inflammation13▲ 2.3×41 topics
  5. Maternal Mortality13▲ 22×5 topics
  6. Cardiovascular Disease12▲ 4.3×23 topics
  7. Public Health12▲ 3.0×27 topics
  8. Treatment11▲ 3.4×23 topics
  9. Oxidative Stress10▲ 2.4×22 topics
  10. Obesity10▲ 5.0×17 topics
  11. Diagnosis9▲ 3.8×23 topics
  12. Insulin Resistance9▲ 7.3×9 topics
  13. Quality of Life9▲ 2.3×26 topics
  14. COVID-198▲ 2.4×16 topics
  15. Global Burden8▲ 5.9×11 topics
  16. Diabetes8▲ 6.0×11 topics
  17. Chemotherapy7▲ 4.0×11 topics
  18. Immune Response7▲ 4.8×13 topics
  19. Pregnancy7▲ 13×8 topics
  20. Vaccine7▲ 6.5×11 topics
  21. Management7▲ 3.3×15 topics
  22. Cancer Incidence6▲ 18×4 topics
  23. Antiretroviral Therapy6▲ 14×6 topics
  24. Mortality Rates6▲ 23×2 topics
  25. Pulmonary Hypertension6▲ 15×3 topics
  26. Surgical Management5▲ 5.0×11 topics
  27. Clinical Outcomes5▲ 9.4×4 topics
  28. Patient Satisfaction5▲ 6.3×10 topics
  29. Health Inequalities5▲ 16×2 topics
  30. Child Mortality5▲ 26×1 topic
  31. Health Systems5▲ 26×1 topic
  32. Prenatal Diagnosis5▲ 13×6 topics
  33. Breast Cancer4▲ 7.2×10 topics
  34. Sickle-cell Disease4▲ 39×1 topic
  35. Thalassemia4▲ 39×1 topic
  36. Anemia4▲ 17×3 topics
  37. Endothelial Dysfunction4▲ 7.0×6 topics
  38. HIV Infection4▲ 16×4 topics
  39. Population-Based Study4▲ 24×2 topics
  40. Preventive Services4▲ 27×2 topics

Which research topics does Nnamdi Azikiwe University Teaching Hospital publish most on?

By volume in 2022–2025: Global Maternal and Child Health, Hemoglobinopathies and Related Disorders, Global Cancer Incidence and Screening and Maternal and fetal healthcare.

Global Maternal and Chil…5Global Maternal and Child Health: 5 fractional worksHemoglobinopathies and R…4Hemoglobinopathies and Related Disorders: 4 fractional worksGlobal Cancer Incidence and Screening: 4 fractional worksMaternal and fetal healthcare: 3 fractional worksCancer Risks and Factors3Cancer Risks and Factors: 3 fractional worksEmergency and Acute Care Studies: 3 fractional worksUrological Disorders and Treatments: 3 fractional worksPregnancy and preeclamps…3Pregnancy and preeclampsia studies: 3 fractional worksDiabetes, Cardiovascular Risks, and Lipoproteins: 3 fractional worksDiverse Scientific Research Studies: 2 fractional works
Pediatrics, Perinatology and Child HealthGeneticsOncologyEmergency Medicine4 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Global Maternal and Child Health Pediatrics, Perinatology and Child Health 5 works
  2. 2 Hemoglobinopathies and Related Disorders Genetics 4 works
  3. 3 Global Cancer Incidence and Screening Oncology 4 works
  4. 4 Maternal and fetal healthcare Pediatrics, Perinatology and Child Health 3 works
  5. 5 Cancer Risks and Factors Oncology 3 works
  6. 6 Emergency and Acute Care Studies Emergency Medicine 3 works
  7. 7 Urological Disorders and Treatments Urology 3 works
  8. 8 Pregnancy and preeclampsia studies Obstetrics and Gynecology 3 works
  9. 9 Diabetes, Cardiovascular Risks, and Lipoproteins Endocrinology, Diabetes and Metabolism 3 works
  10. 10 Diverse Scientific Research Studies General Health Professions 2 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 available70.2%not open29.8%

World: 28% of research is openly available.

with international co-authors11.6%domestic only88.4%

World: 19% is written across borders.

How has Nnamdi Azikiwe University Teaching Hospital's research output changed?

Output in 2018–2022 was 5% higher than in 2013–2017.

200020102020
grewheldshrank

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

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.