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Hospital / health system · Nairobi · Kenya

Nairobi Hospital

In research, Nairobi Hospital stands highest in Health Sciences (#9,828 of 16,688 worldwide) and Medicine (#8,577 of 14,558 worldwide), over all time.

nairobihospital.orgROR OpenAlex
World rank, 2022-now
#21,999
of 22,385 · #26,627 all time
Rank in Kenya
#68
of 69
Research works
267
▲ 37% vs 2018-21
Citations
2.4k
8.9 per fractional work
Top-10% rate
5.7%
all institutions 10.0%
vs its own fields
0.94×
1.00× is exactly expected
Open access
65%
world 40%
International
31%
world 18%
Nairobi Hospital

What is Nairobi Hospital known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
Health SciencesDomain #9,828 of 16,688 4.7%202
MedicineField #8,577 of 14,558 4.7%174

Each strip is that field's whole ranked pool, with the notch where Nairobi 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 average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which fields of science does Nairobi Hospital work in?

In 2022-now, 84% of research at Nairobi Hospital is in Health Sciences, 7% in Life Sciences. Its largest fields are Medicine (77%), Health Professions (7%), Biochemistry, Genetics and Molecular Biology (4%). It does 3.3× the world's share of Health Sciences.

Health Sciences: 66 fractional works · 84.4% of its workMedicine: 60 fractional works · 76.6% of its workPublic Health, Environmental and Occupational Health: 6 fractional works · 8.2% of its workSurgery: 6 fractional works · 8.2% of its workPulmonary and Respiratory Medicine: 4 fractional works · 5.2% of its workEpidemiology: 4 fractional works · 4.9% of its workPediatrics, Perinatology and Child Health: 4 fractional works · 4.6% of its workRadiology, Nuclear Medicine and Imaging: 4 fractional works · 4.4% of its workInfectious Diseases: 3 fractional works · 4.2% of its workReproductive Medicine: 3 fractional works · 3.5% of its workNephrology: 3 fractional works · 3.2% of its workOncology: 2 fractional works · 3.1% of its workPathology and Forensic Medicine: 2 fractional works · 2.4% of its workEndocrinology, Diabetes and Metabolism: 2 fractional works · 2.2% of its workHematology: 1 fractional works · 1.8% of its workEmergency Medicine: 1 fractional works · 1.7% of its workNeurology: 1 fractional works · 1.7% of its workCardiology and Cardiovascular Medicine: 1 fractional works · 1.5% of its workObstetrics and Gynecology: 1 fractional works · 1.5% of its workRheumatology: 1 fractional works · 1.5% of its workDermatology: 1 fractional works · 1.5% of its workOphthalmology: 1 fractional works · 1.5% of its workGenetics: 1 fractional works · 1.2% of its workOrthopedics and Sports Medicine: 1 fractional works · 1.2% of its workPsychiatry and Mental health: 1 fractional works · 1.1% of its workGastroenterology: 1 fractional works · 1.0% of its workUrology: 1 fractional works · 0.9% of its workPhysiology: 1 fractional works · 0.9% of its workCritical Care and Intensive Care Medicine: 1 fractional works · 0.8% of its workGeriatrics and Gerontology: 0 fractional works · 0.6% of its workOtorhinolaryngology: 0 fractional works · 0.6% of its workAnesthesiology and Pain Medicine: 0 fractional works · 0.3% of its workBiochemistry: 0 fractional works · 0.2% of its workHepatology: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.7% of its workHealth Professions: 5 fractional works · 6.5% of its workGeneral Health Professions: 2 fractional works · 2.9% of its workMedical Laboratory Technology: 1 fractional works · 1.3% of its workEmergency Medical Services: 1 fractional works · 1.2% of its workHealth Information Management: 0 fractional works · 0.5% of its workSpeech and Hearing: 0 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.1% of its workNursing: 1 fractional works · 1.0% of its workNutrition and Dietetics: 1 fractional works · 1.0% of its workDentistry: 0 fractional works · 0.2% of its workVeterinary: 0 fractional works · 0.1% of its workLife Sciences: 5 fractional works · 6.7% of its workBiochemistry, Genetics and Molecular Biology: 3 fractional works · 4.2% of its workMolecular Biology: 1 fractional works · 1.6% of its workGenetics: 1 fractional works · 1.4% of its workCell Biology: 0 fractional works · 0.5% of its workMolecular Medicine: 0 fractional works · 0.5% of its workCancer Research: 0 fractional works · 0.3% of its workImmunology and Microbiology: 1 fractional works · 1.5% of its workApplied Microbiology and Biotechnology: 1 fractional works · 0.9% of its workImmunology: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.3% of its workNeuroscience: 1 fractional works · 0.8% of its workCognitive Neuroscience: 0 fractional works · 0.3% of its workSensory Systems: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.3% of its workToxicology: 0 fractional works · 0.3% of its workSocial Sciences: 5 fractional works · 5.8% of its workSocial Sciences: 2 fractional works · 2.0% of its workSociology and Political Science: 1 fractional works · 0.7% of its workGender Studies: 0 fractional works · 0.5% of its workHealth: 0 fractional works · 0.4% of its workEducation: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workPsychology: 1 fractional works · 1.9% of its workApplied Psychology: 1 fractional works · 0.8% of its workClinical Psychology: 0 fractional works · 0.6% of its workDevelopmental and Educational Psychology: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEconomics, Econometrics and Finance: 1 fractional works · 1.2% of its workEconomics and Econometrics: 1 fractional works · 1.0% of its workSmaller subfields together: 0 fractional works · 0.2% of its workBusiness, Management and Accounting: 0 fractional works · 0.6% of its workManagement of Technology and Innovation: 0 fractional works · 0.6% of its workSmaller subfields together: 0 fractional works · 0.0% of its workArts and Humanities: 0 fractional works · 0.1% of its workPhysical Sciences: 2 fractional works · 3.1% of its workEngineering: 1 fractional works · 1.3% of its workBiomedical Engineering: 1 fractional works · 1.3% of its workMathematics: 1 fractional works · 0.9% of its workGeometry and Topology: 0 fractional works · 0.6% of its workSmaller subfields together: 0 fractional works · 0.2% of its workPhysics and Astronomy: 1 fractional works · 0.6% of its workRadiation: 1 fractional works · 0.6% of its workChemistry: 0 fractional works · 0.1% of its workEnvironmental Science: 0 fractional works · 0.1% of its workALL ITS WORKNairobi Hospital79fractional works, 2022-now
Life Sciences7%Physical Sciences3%Health Sciences84%Social Sciences6%

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 19 fields, with their numbers
    1. Medicine6076.6%
    2. Health Professions56.5%
    3. Nursing11.0%
    4. Dentistry00.2%
    5. Veterinary00.1%
    1. Biochemistry, Genetics and Molecular Biology34.2%
    2. Immunology and Microbiology11.5%
    3. Neuroscience10.8%
    4. Pharmacology, Toxicology and Pharmaceutics00.3%
    1. Social Sciences22.0%
    2. Psychology11.9%
    3. Economics, Econometrics and Finance11.2%
    4. Business, Management and Accounting00.6%
    5. Arts and Humanities00.1%
    1. Engineering11.3%
    2. Mathematics10.9%
    3. Physics and Astronomy10.6%
    4. Chemistry00.1%
    5. Environmental Science00.1%
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.

Biochemistry, Genetics and Molecular Biology: 0.79× its world share, 3 worksBiochemistry, Geneti…Immunology and Microbiology: 1.47× its world share, 1 worksImmunology and Micro…Neuroscience: 0.47× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.80× its world share, 0 worksPharmacology, Toxico…Chemistry: 0.09× its world share, 0 worksChemistryEngineering: 0.09× its world share, 1 worksEngineeringEnvironmental Science: 0.03× its world share, 0 worksEnvironmental ScienceMathematics: 0.74× its world share, 1 worksMathematicsPhysics and Astronomy: 0.29× its world share, 0 worksPhysics and AstronomyDentistry: 0.32× its world share, 0 worksDentistryHealth Professions: 2.48× its world share, 5 worksHealth ProfessionsMedicine: 3.98× its world share, 60 worksMedicineNursing: 2.10× its world share, 1 worksNursingVeterinary: 0.52× its world share, 0 worksVeterinaryArts and Humanities: 0.04× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.20× its world share, 0 worksBusiness, Management…Economics, Econometrics and Finance: 0.54× its world share, 1 worksEconomics, Econometr…Psychology: 0.61× its world share, 2 worksPsychologySocial Sciences: 0.16× its world share, 2 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 4.0×. Every wedge is a field page.

All 19 fields, with their numbers
  1. Medicine3.98×60 works
  2. Health Professions2.48×5 works
  3. Nursing2.10×1 works
  4. Immunology and Microbiology1.47×1 works
  5. Pharmacology, Toxicology and Pharmaceutics0.80×0 works
  6. Biochemistry, Genetics and Molecular Biology0.79×3 works
  7. Mathematics0.74×1 works
  8. Psychology0.61×2 works
  9. Economics, Econometrics and Finance0.54×1 works
  10. Veterinary0.52×0 works
  11. Neuroscience0.47×1 works
  12. Dentistry0.32×0 works
  13. Physics and Astronomy0.29×0 works
  14. Business, Management and Accounting0.20×0 works
  15. Social Sciences0.16×2 works
  16. Chemistry0.09×0 works
  17. Engineering0.09×1 works
  18. Arts and Humanities0.04×0 works
  19. Environmental Science0.03×0 works

Who are the top researchers at Nairobi Hospital?

Ranked on the quality score, Zipporah Gathuya, Richard Baraza and P.K Koigi lead among researchers whose main affiliation is Nairobi Hospital.

  1. 1 Zipporah Gathuya Kenya · #1,546,482 worldwide 358 citations · 26 works
  2. 2 Richard Baraza Kenya · #4,309,676 worldwide 168 citations · 28 works
  3. 3 P.K Koigi Kenya · #5,675,480 worldwide 20 citations · 31 works
  4. 4 Imre JP Loefler Kenya · #7,101,534 worldwide 282 citations · 114 works
All ranked researchers at Nairobi Hospital

What are the most cited papers from Nairobi Hospital?

The most cited paper from Nairobi Hospital is "Perioperative patient outcomes in the African Surgical Outcomes Study: a 7-day prospective observational cohort study" (Bruce McClure Biccard et al., 2018), with 604 citations. Next come "Hepatitis B in sub-Saharan Africa: strategies to achieve the 2030 elimination targets" (379) and "Effect of blood transfusion on survival among children in a Kenyan hospital" (295).

Most cited papers
#PaperReleasedCitations
1 Perioperative patient outcomes in the African Surgical Outcomes Study: a 7-day prospective observational cohort study Bruce McClure Biccard et al. · The Lancet Open access1,093 authors 3 Jan 2018 604
2 Hepatitis B in sub-Saharan Africa: strategies to achieve the 2030 elimination targets C Wendy Spearman et al. · ˜The œLancet. Gastroenterology & hepatology Open access 8 Nov 2017 379
3 Effect of blood transfusion on survival among children in a Kenyan hospital Eve Lackritz, C. C. Campbell, Trenton K. Ruebush et al. · The Lancet Aug 1992 295
4 Availability of critical care resources to treat patients with severe sepsis or septic shock in Africa: a self-reported, continent-wide survey of anaesthesia providers Inipavudu Baelani, Stefan Jochberger, Thomas Laimer et al. · Critical Care Open access 10 Jan 2011 260
5 Maternal and neonatal outcomes after caesarean delivery in the African Surgical Outcomes Study: a 7-day prospective observational cohort study David Gray Bishop et al. · The Lancet Global Health Open access1,093 authors 14 Mar 2019 202
All 61 most cited papers, with filters and sorting

Which keywords describe research at Nairobi Hospital?

By fractional works in 2022-now, weighted toward what it does more of than the world: Epidemiology, Cardiovascular Disease, Management, Treatment, Infertility, Diagnosis, Pathophysiology and Quality of Life.

▲ 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. Epidemiology12▲ 3.8×39 topics
  2. Cardiovascular Disease4▲ 4.6×15 topics
  3. Treatment4▲ 4.1×17 topics
  4. Management4▲ 5.8×12 topics
  5. Quality of Life4▲ 3.2×12 topics
  6. Diagnosis3▲ 4.6×15 topics
  7. Inflammation3▲ 2.0×20 topics
  8. Risk Factors3▲ 3.7×13 topics
  9. Infertility3▲ 25×4 topics
  10. COVID-193▲ 2.6×11 topics
  11. Metabolic Syndrome3▲ 4.0×11 topics
  12. Pathophysiology2▲ 10×7 topics
  13. Chronic Kidney Disease2▲ 12×6 topics
  14. Global Health2▲ 19×3 topics
  15. Mortality2▲ 5.0×6 topics
  16. Medical Education2▲ 9.9×6 topics
  17. Health Inequalities2▲ 21×2 topics
  18. Immune Response2▲ 4.2×6 topics
  19. Insulin Resistance2▲ 5.3×5 topics
  20. Chemotherapy2▲ 3.3×9 topics
  21. Guidelines2▲ 4.6×5 topics
  22. Hemodialysis2▲ 26×2 topics
  23. Antibiotic Resistance2▲ 5.0×4 topics
  24. Antiretroviral Therapy2▲ 13×6 topics
  25. Ethical Considerations2▲ 5.8×5 topics
  26. Primary Care2▲ 5.4×7 topics
  27. Vaccine Development2▲ 8.1×4 topics
  28. Academic Medicine2▲ 24×2 topics
  29. Cancer Incidence2▲ 14×3 topics
  30. Drug Resistance2▲ 6.8×4 topics
  31. Critical Care1▲ 7.5×6 topics
  32. Healthcare Workers1▲ 7.4×4 topics
  33. Stem Cells1▲ 6.6×3 topics
  34. Adherence1▲ 13×2 topics
  35. Health-related Quality of Life1▲ 6.9×3 topics
  36. Maternal Mortality1▲ 7.2×3 topics
  37. Mobile Health1▲ 11×2 topics
  38. Surgical Care1▲ 30×2 topics
  39. Chronic Disease Management1▲ 7.8×2 topics
  40. Rituximab1▲ 11×4 topics

Which research topics does Nairobi Hospital publish most on?

By volume in 2022-now: Global Health and Surgery, Radiomics and Machine Learning in Medical Imaging, Mosquito-borne diseases and control and Dialysis and Renal Disease Management.

Global Health and Surgery1Global Health and Surgery: 1 fractional worksRadiomics and Machine Le…1Radiomics and Machine Learning in Medical Imaging: 1 fractional worksMosquito-borne diseases and control: 1 fractional worksDialysis and Renal Disea…1Dialysis and Renal Disease Management: 1 fractional worksHealth and Medical Resea…1Health and Medical Research Impacts: 1 fractional worksChildhood Cancer Survivors' Quality of Life: 1 fractional worksGlobal Maternal and Child Health: 1 fractional worksQuality and Safety in He…1Quality and Safety in Healthcare: 1 fractional worksOvarian function and disorders: 1 fractional worksMedicine and Dermatology Studies History: 1 fractional works
Public Health, Environmental and Occupational HealthRadiology, Nuclear Medicine and ImagingNephrologyPediatrics, Perinatology and Child Health3 others

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

  1. 1 Global Health and Surgery Public Health, Environmental and Occupational Health 1 works
  2. 2 Radiomics and Machine Learning in Medical Imaging Radiology, Nuclear Medicine and Imaging 1 works
  3. 3 Mosquito-borne diseases and control Public Health, Environmental and Occupational Health 1 works
  4. 4 Dialysis and Renal Disease Management Nephrology 1 works
  5. 5 Health and Medical Research Impacts Public Health, Environmental and Occupational Health 1 works
  6. 6 Childhood Cancer Survivors' Quality of Life Pediatrics, Perinatology and Child Health 1 works
  7. 7 Global Maternal and Child Health Pediatrics, Perinatology and Child Health 1 works
  8. 8 Quality and Safety in Healthcare Medical Laboratory Technology 1 works
  9. 9 Ovarian function and disorders Reproductive Medicine 1 works
  10. 10 Medicine and Dermatology Studies History Dermatology 1 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 available65.4%not open34.6%

World: 40% of research is openly available.

with international co-authors30.9%domestic only69.1%

World: 18% is written across borders.

How has Nairobi Hospital's research output changed?

Output in 2022-2025 was 37% 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 Nairobi Hospital as a percentage of every work published that year, 0.00036% in 2024.

still counting0.00050%0.0010%Nairobi Hospital0.00027% in 202519801990200020102020

Fractional works of Nairobi Hospital over all fractional works that year. How the balance of science has shifted.

Other research institutions in Nairobi

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Nairobi Hospital on Science Explorer

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