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Hospital / health system · Nara · Japan

Nara City Hospital

In research, Nara City Hospital stands highest in Medicine (#5,784 of 8,541 worldwide) and Health Sciences (#7,209 of 9,902 worldwide), 2022-now. Relative to its size it is most specialised in Surgery (Surgery is 7.7× its share of world research).

nara-jadecom.jpROR OpenAlex
World rank, 2022-now
#20,253
of 22,385 · #24,887 all time
Rank in Japan
#690
of 924
Research works
641
▲ 10% vs 2018-21
Citations
8k
12.5 per fractional work
Top-10% rate
7.1%
all institutions 10.0%
vs its own fields
0.94×
1.00× is exactly expected
Open access
47%
world 40%
International
18%
world 18%
Nara City Hospital

What is Nara City Hospital 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
MedicineField #5,784 of 8,541 5.8%79 #8594
Health SciencesDomain #7,209 of 9,902 6.1%83 #10483

Each strip is that field's whole ranked pool, with the notch where Nara City 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 Nara City Hospital work in?

In 2022-now, 79% of research at Nara City Hospital is in Health Sciences, 15% in Life Sciences. Its largest fields are Medicine (75%), Biochemistry, Genetics and Molecular Biology (7%), Immunology and Microbiology (3%). It does 3.2× the world's share of Health Sciences.

Health Sciences: 95 fractional works · 78.6% of its workMedicine: 91 fractional works · 75.2% of its workSurgery: 22 fractional works · 18.0% of its workPulmonary and Respiratory Medicine: 8 fractional works · 6.7% of its workOncology: 5 fractional works · 4.1% of its workEpidemiology: 4 fractional works · 3.7% of its workCardiology and Cardiovascular Medicine: 4 fractional works · 3.6% of its workGastroenterology: 4 fractional works · 3.5% of its workEndocrinology, Diabetes and Metabolism: 4 fractional works · 2.9% of its workNeurology: 3 fractional works · 2.8% of its workPhysiology: 3 fractional works · 2.5% of its workOrthopedics and Sports Medicine: 3 fractional works · 2.4% of its workHematology: 3 fractional works · 2.2% of its workPathology and Forensic Medicine: 3 fractional works · 2.2% of its workPublic Health, Environmental and Occupational Health: 3 fractional works · 2.2% of its workRheumatology: 3 fractional works · 2.1% of its workRadiology, Nuclear Medicine and Imaging: 2 fractional works · 2.0% of its workObstetrics and Gynecology: 2 fractional works · 1.7% of its workInfectious Diseases: 2 fractional works · 1.7% of its workReproductive Medicine: 1 fractional works · 1.0% of its workGenetics: 1 fractional works · 0.8% of its workDermatology: 1 fractional works · 0.7% of its workPsychiatry and Mental health: 1 fractional works · 0.7% of its workRehabilitation: 1 fractional works · 0.7% of its workUrology: 1 fractional works · 0.7% of its workCritical Care and Intensive Care Medicine: 1 fractional works · 0.7% of its workEmergency Medicine: 1 fractional works · 0.6% of its workHepatology: 1 fractional works · 0.6% of its workPediatrics, Perinatology and Child Health: 1 fractional works · 0.6% of its workPharmacology: 1 fractional works · 0.5% of its workGeriatrics and Gerontology: 1 fractional works · 0.5% of its workNephrology: 1 fractional works · 0.5% of its workOtorhinolaryngology: 1 fractional works · 0.5% of its workImmunology and Allergy: 1 fractional works · 0.4% of its workAnesthesiology and Pain Medicine: 0 fractional works · 0.4% of its workOphthalmology: 0 fractional works · 0.4% of its workInternal Medicine: 0 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.4% of its workHealth Professions: 3 fractional works · 2.5% of its workSpeech and Hearing: 1 fractional works · 0.5% of its workPhysical Therapy, Sports Therapy and Rehabilitation: 1 fractional works · 0.5% of its workGeneral Health Professions: 1 fractional works · 0.4% of its workRadiological and Ultrasound Technology: 0 fractional works · 0.4% of its workEmergency Medical Services: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.2% of its workDentistry: 0 fractional works · 0.3% of its workOral Surgery: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.0% of its workVeterinary: 0 fractional works · 0.3% of its workSmall Animals: 0 fractional works · 0.3% of its workNursing: 0 fractional works · 0.2% of its workNutrition and Dietetics: 0 fractional works · 0.2% of its workLife Sciences: 18 fractional works · 14.7% of its workBiochemistry, Genetics and Molecular Biology: 9 fractional works · 7.2% of its workMolecular Biology: 3 fractional works · 2.4% of its workGenetics: 3 fractional works · 2.3% of its workCancer Research: 1 fractional works · 0.9% of its workCell Biology: 1 fractional works · 0.7% of its workEndocrinology: 0 fractional works · 0.4% of its workClinical Biochemistry: 0 fractional works · 0.2% of its workMolecular Medicine: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workImmunology and Microbiology: 3 fractional works · 2.7% of its workImmunology: 3 fractional works · 2.6% of its workSmaller subfields together: 0 fractional works · 0.2% of its workAgricultural and Biological Sciences: 3 fractional works · 2.6% of its workPlant Science: 2 fractional works · 1.8% of its workEcology, Evolution, Behavior and Systematics: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.3% of its workNeuroscience: 2 fractional works · 2.0% of its workCognitive Neuroscience: 1 fractional works · 0.9% of its workNeurology: 0 fractional works · 0.4% of its workEndocrine and Autonomic Systems: 0 fractional works · 0.3% of its workSensory Systems: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.3% of its workPharmacology: 0 fractional works · 0.3% of its workPhysical Sciences: 5 fractional works · 4.2% of its workEngineering: 2 fractional works · 1.7% of its workBiomedical Engineering: 1 fractional works · 1.0% of its workBuilding and Construction: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.4% of its workEnvironmental Science: 2 fractional works · 1.4% of its workHealth, Toxicology and Mutagenesis: 1 fractional works · 0.6% of its workNature and Landscape Conservation: 0 fractional works · 0.4% of its workSmaller subfields together: 1 fractional works · 0.4% of its workComputer Science: 1 fractional works · 0.8% of its workComputer Vision and Pattern Recognition: 0 fractional works · 0.2% of its workInformation Systems: 0 fractional works · 0.2% of its workArtificial Intelligence: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workMaterials Science: 0 fractional works · 0.1% of its workPhysics and Astronomy: 0 fractional works · 0.1% of its workEarth and Planetary Sciences: 0 fractional works · 0.1% of its workChemistry: 0 fractional works · 0.0% of its workSocial Sciences: 3 fractional works · 2.5% of its workPsychology: 2 fractional works · 1.3% of its workClinical Psychology: 1 fractional works · 0.7% of its workSocial Psychology: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.3% of its workSocial Sciences: 1 fractional works · 0.9% of its workEducation: 0 fractional works · 0.3% of its workSociology and Political Science: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.3% of its workEconomics, Econometrics and Finance: 0 fractional works · 0.3% of its workEconomics and Econometrics: 0 fractional works · 0.3% of its workBusiness, Management and Accounting: 0 fractional works · 0.0% of its workDecision Sciences: 0 fractional works · 0.0% of its workALL ITS WORKNara CityHospital121fractional works, 2022-now
Life Sciences15%Physical Sciences4%Health Sciences79%Social Sciences2%

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 22 fields, with their numbers
    1. Medicine9175.2%
    2. Health Professions32.5%
    3. Dentistry00.3%
    4. Veterinary00.3%
    5. Nursing00.2%
    1. Biochemistry, Genetics and Molecular Biology97.2%
    2. Immunology and Microbiology32.7%
    3. Agricultural and Biological Sciences32.6%
    4. Neuroscience22.0%
    5. Pharmacology, Toxicology and Pharmaceutics00.3%
    1. Engineering21.7%
    2. Environmental Science21.4%
    3. Computer Science10.8%
    4. Materials Science00.1%
    5. Physics and Astronomy00.1%
    6. Earth and Planetary Sciences00.1%
    7. Chemistry00.0%
    1. Psychology21.3%
    2. Social Sciences10.9%
    3. Economics, Econometrics and Finance00.3%
    4. Business, Management and Accounting00.0%
    5. Decision Sciences00.0%
All of science, and how each field's share has moved since 1950: the Science domain explorer

What does Nara City Hospital specialise in?

Where its research is concentrated relative to its size: Surgery takes 7.7× the share of its output that it takes of world research.

  1. SurgerySubfield · 21.9 works7.7×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

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: 0.54× its world share, 3 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.34× its world share, 9 worksBiochemistry, Geneti…Immunology and Microbiology: 2.72× its world share, 3 worksImmunology and Micro…Neuroscience: 1.21× its world share, 2 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.85× its world share, 0 worksPharmacology, Toxico…Chemistry: 0.02× its world share, 0 worksChemistryComputer Science: 0.11× its world share, 1 worksComputer ScienceEarth and Planetary Sciences: 0.04× its world share, 0 worksEarth and Planetary …Engineering: 0.11× its world share, 2 worksEngineeringEnvironmental Science: 0.28× its world share, 2 worksEnvironmental ScienceMaterials Science: 0.04× its world share, 0 worksMaterials SciencePhysics and Astronomy: 0.04× its world share, 0 worksPhysics and AstronomyDentistry: 0.61× its world share, 0 worksDentistryHealth Professions: 0.96× its world share, 3 worksHealth ProfessionsMedicine: 3.91× its world share, 91 worksMedicineNursing: 0.48× its world share, 0 worksNursingVeterinary: 2.15× its world share, 0 worksVeterinaryBusiness, Management and Accounting: 0.01× its world share, 0 worksBusiness, Management…Decision Sciences: 0.03× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.12× its world share, 0 worksEconomics, Econometr…Psychology: 0.43× its world share, 2 worksPsychologySocial Sciences: 0.07× its world share, 1 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 3.9×. Every wedge is a field page.

All 22 fields, with their numbers
  1. Medicine3.91×91 works
  2. Immunology and Microbiology2.72×3 works
  3. Veterinary2.15×0 works
  4. Biochemistry, Genetics and Molecular Biology1.34×9 works
  5. Neuroscience1.21×2 works
  6. Health Professions0.96×3 works
  7. Pharmacology, Toxicology and Pharmaceutics0.85×0 works
  8. Dentistry0.61×0 works
  9. Agricultural and Biological Sciences0.54×3 works
  10. Nursing0.48×0 works
  11. Psychology0.43×2 works
  12. Environmental Science0.28×2 works
  13. Economics, Econometrics and Finance0.12×0 works
  14. Computer Science0.11×1 works
  15. Engineering0.11×2 works
  16. Social Sciences0.07×1 works
  17. Earth and Planetary Sciences0.04×0 works
  18. Materials Science0.04×0 works
  19. Physics and Astronomy0.04×0 works
  20. Decision Sciences0.03×0 works
  21. Chemistry0.02×0 works
  22. Business, Management and Accounting0.01×0 works

Who are the top researchers at Nara City Hospital?

Ranked on the quality score, Kazuyuki Kanemasa, Toru Morikawa and Yoko Kitamura lead among researchers whose main affiliation is Nara City Hospital.

  1. 1 Kazuyuki Kanemasa Japan · #1,248,723 worldwide 2.7k citations · 74 works
  2. 2 Toru Morikawa Japan · #3,063,548 worldwide 417 citations · 45 works
  3. 3 Yoko Kitamura Japan · #3,118,933 worldwide 1.3k citations · 92 works
  4. 4 Takaaki Kishino Japan · #3,858,943 worldwide 587 citations · 71 works
  5. 5 Makoto Iwai Japan · #4,075,862 worldwide 434 citations · 15 works
  6. 6 Hidemori Tokunaga Japan · #4,230,012 worldwide 126 citations · 20 works
  7. 7 Yasuaki UEDA Japan · #4,871,695 worldwide 248 citations · 28 works
  8. 8 Atsuhiro Ogino Japan · #5,009,741 worldwide 9 citations · 19 works
  9. 9 Seishiro INABA Japan · #5,271,482 worldwide 65 citations · 37 works
  10. 10 Kumio Hishimoto Japan · #5,470,071 worldwide 56 citations · 20 works
All ranked researchers at Nara City Hospital

What are the most cited papers from Nara City Hospital?

The most cited paper from Nara City Hospital is "Update on the pathophysiology and classification of von Willebrand disease: a report of the Subcommittee on von Willebrand Factor" (J. Evan Sadler et al., 2006), with 1,154 citations. Next come "Fluorescence navigation with indocyanine green for detecting sentinel lymph nodes in breast cancer" (648) and "Characteristics of Patients With Nonalcoholic Steatohepatitis Who Develop Hepatocellular Carcinoma" (426).

Most cited papers
#PaperReleasedCitations
1 Update on the pathophysiology and classification of von Willebrand disease: a report of the Subcommittee on von Willebrand Factor J. Evan Sadler et al. · Journal of Thrombosis and Haemostasis Open access 14 Sep 2006 1,154
2 Fluorescence navigation with indocyanine green for detecting sentinel lymph nodes in breast cancer Toshiyuki Kitai, Takuya Inomoto, Mitsuharu Miwa et al. · Breast Cancer Jul 2005 648
3 Characteristics of Patients With Nonalcoholic Steatohepatitis Who Develop Hepatocellular Carcinoma Kohichiroh Yasui, Etsuko Hashimoto, Yasuji Komorizono et al. · Clinical Gastroenterology and Hepatology Open access 13 Feb 2011 426
4 Validation of the FIB4 index in a Japanese nonalcoholic fatty liver disease population Yoshio Sumida, Masato Yoneda, Hideyuki Hyogo et al. · BMC Gastroenterology Open access 5 Jan 2012 387
5 Involvement of a periodontal pathogen, Porphyromonas gingivalis on the pathogenesis of non-alcoholic fatty liver disease Masato Yoneda et al. · BMC Gastroenterology Open access 16 Feb 2012 304
All 61 most cited papers, with filters and sorting

Which keywords describe research at Nara City Hospital?

By fractional works in 2022-now, weighted toward what it does more of than the world: Epidemiology, Treatment, Complications, Surgical Management, Diagnosis, Inflammation, Immunotherapy and Prognostic Factors.

▲ 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. Epidemiology19▲ 3.9×73 topics
  2. Inflammation8▲ 3.1×38 topics
  3. Treatment8▲ 5.4×31 topics
  4. Diagnosis7▲ 5.9×26 topics
  5. Complications6▲ 11×15 topics
  6. Surgical Management6▲ 12×15 topics
  7. Immunotherapy5▲ 5.5×14 topics
  8. Management5▲ 4.7×21 topics
  9. Prognostic Factors4▲ 7.5×10 topics
  10. Guidelines4▲ 6.9×11 topics
  11. Quality of Life4▲ 2.2×22 topics
  12. Chemotherapy4▲ 4.1×14 topics
  13. Rehabilitation4▲ 7.2×10 topics
  14. Cardiovascular Disease3▲ 2.5×25 topics
  15. Neurological Disorders3▲ 4.6×12 topics
  16. Risk Factors3▲ 2.3×17 topics
  17. Children3▲ 11×6 topics
  18. Biomarkers3▲ 3.3×8 topics
  19. Clinical Practice Guidelines3▲ 4.1×13 topics
  20. Mortality3▲ 3.8×10 topics
  21. Imaging2▲ 8.6×4 topics
  22. PET Imaging2▲ 13×4 topics
  23. Prognosis2▲ 5.8×7 topics
  24. Adults2▲ 32×2 topics
  25. Intussusception2▲ 55×1 topic
  26. Meckel's Diverticulum2▲ 55×1 topic
  27. Review2▲ 15×2 topics
  28. Surgical Treatment2▲ 9.2×5 topics
  29. Autoantibodies2▲ 7.0×6 topics
  30. Biomechanics2▲ 5.4×6 topics
  31. Imatinib Mesylate2▲ 33×2 topics
  32. Septic Shock2▲ 20×2 topics
  33. Capsule Endoscopy2▲ 93×1 topic
  34. PDGFRA Mutations2▲ 58×1 topic
  35. Sunitinib2▲ 58×1 topic
  36. Upper Gastrointestinal Bleeding2▲ 93×1 topic
  37. Cancer Immunotherapy2▲ 9.8×2 topics
  38. Arthroplasty2▲ 14×2 topics
  39. Lymphoma2▲ 8.8×3 topics
  40. Plant Pathogens2▲ 43×3 topics

Which research topics does Nara City Hospital publish most on?

By volume in 2022-now: Gastrointestinal disorders and treatments, Gastrointestinal Bleeding Diagnosis and Treatment, Gastrointestinal Tumor Research and Treatment and Immune Cell Function and Interaction.

Gastrointestinal disorde…2Gastrointestinal disorders and treatments: 2 fractional worksGastrointestinal Bleedin…2Gastrointestinal Bleeding Diagnosis and Treatment: 2 fractional worksGastrointestinal Tumor R…2Gastrointestinal Tumor Research and Treatment: 2 fractional worksImmune Cell Function and…1Immune Cell Function and Interaction: 1 fractional worksCAR-T cell therapy research: 1 fractional worksGallbladder and Bile Duct Disorders: 1 fractional worksFoot and Ankle Surgery1Foot and Ankle Surgery: 1 fractional worksAdrenal Hormones and Disorders: 1 fractional worksSepsis Diagnosis and Treatment: 1 fractional worksNutrition and Health in …1Nutrition and Health in Aging: 1 fractional works
SurgeryGastroenterologyImmunologyOncology5 others

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

  1. 1 Gastrointestinal disorders and treatments Surgery 2 works
  2. 2 Gastrointestinal Bleeding Diagnosis and Treatment Gastroenterology 2 works
  3. 3 Gastrointestinal Tumor Research and Treatment Gastroenterology 2 works
  4. 4 Immune Cell Function and Interaction Immunology 1 works
  5. 5 CAR-T cell therapy research Oncology 1 works
  6. 6 Gallbladder and Bile Duct Disorders Pulmonary and Respiratory Medicine 1 works
  7. 7 Foot and Ankle Surgery Orthopedics and Sports Medicine 1 works
  8. 8 Adrenal Hormones and Disorders Endocrinology, Diabetes and Metabolism 1 works
  9. 9 Sepsis Diagnosis and Treatment Epidemiology 1 works
  10. 10 Nutrition and Health in Aging Physiology 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 available46.9%not open53.1%

World: 40% of research is openly available.

with international co-authors17.8%domestic only82.2%

World: 18% is written across borders.

How has Nara City Hospital's research output changed?

Output in 2022-2025 was 10% 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 Nara City Hospital as a percentage of every work published that year, 0.00057% in 2024.

still counting0.00050%0.0010%0.0015%Nara City Hospital0.00051% in 202519801990200020102020

Fractional works of Nara City Hospital 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 2025Nara City Hospital6.1% in 202520102020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 9.1% in 2014.

Other research institutions in Nara

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Nara City Hospital on Science Explorer

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