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Hospital / health system · Tomakomai · Japan

Oji General Hospital

In research, Oji General Hospital stands highest in Medicine (#12,911 of 14,558 worldwide) and Health Sciences (#15,070 of 16,688 worldwide), over all time.

ojihosp.or.jpROR OpenAlex
World rank, all time
#32,677
of 34,923
Rank in Japan
#1,608
of 1,923
Research works
262
▲ 11% vs 2018-21
Citations
1.9k
7.1 per fractional work
Top-10% rate
4.0%
all institutions 10.0%
vs its own fields
0.72×
1.00× is exactly expected
Open access
58%
world 40%
International
7%
world 18%
Oji General Hospital

What is Oji General 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
MedicineField #12,911 of 14,558 3.1%206
Health SciencesDomain #15,070 of 16,688 3.2%209

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

In 2022-now, 91% of research at Oji General Hospital is in Health Sciences, 5% in Life Sciences. Its largest fields are Medicine (90%), Decision Sciences (3%), Biochemistry, Genetics and Molecular Biology (2%). It does 3.2× the world's share of Health Sciences.

Health Sciences: 36 fractional works · 91.2% of its workMedicine: 36 fractional works · 90.3% of its workPulmonary and Respiratory Medicine: 6 fractional works · 16.3% of its workSurgery: 6 fractional works · 16.3% of its workCardiology and Cardiovascular Medicine: 3 fractional works · 6.6% of its workOncology: 3 fractional works · 6.3% of its workEpidemiology: 2 fractional works · 4.8% of its workPediatrics, Perinatology and Child Health: 1 fractional works · 3.6% of its workRehabilitation: 1 fractional works · 3.6% of its workRheumatology: 1 fractional works · 3.2% of its workInfectious Diseases: 1 fractional works · 3.1% of its workNeurology: 1 fractional works · 2.9% of its workPhysiology: 1 fractional works · 2.4% of its workPublic Health, Environmental and Occupational Health: 1 fractional works · 2.3% of its workHematology: 1 fractional works · 2.1% of its workPathology and Forensic Medicine: 1 fractional works · 2.0% of its workOphthalmology: 1 fractional works · 1.7% of its workRadiology, Nuclear Medicine and Imaging: 1 fractional works · 1.4% of its workGastroenterology: 1 fractional works · 1.3% of its workAnesthesiology and Pain Medicine: 0 fractional works · 1.3% of its workEndocrinology, Diabetes and Metabolism: 0 fractional works · 1.3% of its workHepatology: 0 fractional works · 1.2% of its workGenetics: 0 fractional works · 1.2% of its workOtorhinolaryngology: 0 fractional works · 0.9% of its workEmergency Medicine: 0 fractional works · 0.8% of its workNephrology: 0 fractional works · 0.8% of its workOrthopedics and Sports Medicine: 0 fractional works · 0.7% of its workPharmacology: 0 fractional works · 0.5% of its workCritical Care and Intensive Care Medicine: 0 fractional works · 0.4% of its workReproductive Medicine: 0 fractional works · 0.4% of its workUrology: 0 fractional works · 0.3% of its workDermatology: 0 fractional works · 0.2% of its workHealth Professions: 0 fractional works · 0.6% of its workPhysical Therapy, Sports Therapy and Rehabilitation: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.3% of its workDentistry: 0 fractional works · 0.3% of its workOral Surgery: 0 fractional works · 0.3% of its workNursing: 0 fractional works · 0.1% of its workLife Sciences: 2 fractional works · 4.5% of its workBiochemistry, Genetics and Molecular Biology: 1 fractional works · 2.3% of its workMolecular Biology: 0 fractional works · 0.7% of its workEndocrinology: 0 fractional works · 0.6% of its workCancer Research: 0 fractional works · 0.5% of its workBiotechnology: 0 fractional works · 0.3% of its workCell Biology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workNeuroscience: 0 fractional works · 0.9% of its workEndocrine and Autonomic Systems: 0 fractional works · 0.9% of its workSmaller subfields together: 0 fractional works · 0.0% of its workAgricultural and Biological Sciences: 0 fractional works · 0.8% of its workEcology, Evolution, Behavior and Systematics: 0 fractional works · 0.8% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.4% of its workToxicology: 0 fractional works · 0.4% of its workImmunology and Microbiology: 0 fractional works · 0.1% of its workSocial Sciences: 1 fractional works · 2.5% of its workDecision Sciences: 1 fractional works · 2.5% of its workManagement Science and Operations Research: 1 fractional works · 2.5% of its workPhysical Sciences: 1 fractional works · 1.7% of its workEngineering: 0 fractional works · 1.3% of its workBiomedical Engineering: 0 fractional works · 0.8% of its workElectrical and Electronic Engineering: 0 fractional works · 0.4% of its workPhysics and Astronomy: 0 fractional works · 0.3% of its workAtomic and Molecular Physics, and Optics: 0 fractional works · 0.3% of its workEnvironmental Science: 0 fractional works · 0.1% of its workComputer Science: 0 fractional works · 0.1% of its workALL ITS WORKOji GeneralHospital40fractional works, 2022-now
Life Sciences5%Physical Sciences2%Health Sciences91%Social Sciences3%

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 14 fields, with their numbers
    1. Medicine3690.3%
    2. Health Professions00.6%
    3. Dentistry00.3%
    4. Nursing00.1%
    1. Biochemistry, Genetics and Molecular Biology12.3%
    2. Neuroscience00.9%
    3. Agricultural and Biological Sciences00.8%
    4. Pharmacology, Toxicology and Pharmaceutics00.4%
    5. Immunology and Microbiology00.1%
    1. Decision Sciences12.5%
    1. Engineering01.3%
    2. Physics and Astronomy00.3%
    3. Environmental Science00.1%
    4. Computer 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.

Agricultural and Biological Sciences: 0.18× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.43× its world share, 1 worksBiochemistry, Geneti…Immunology and Microbiology: 0.11× its world share, 0 worksImmunology and Micro…Neuroscience: 0.55× its world share, 0 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.19× its world share, 0 worksPharmacology, Toxico…Computer Science: 0.01× its world share, 0 worksComputer ScienceEngineering: 0.08× its world share, 0 worksEngineeringEnvironmental Science: 0.02× its world share, 0 worksEnvironmental SciencePhysics and Astronomy: 0.13× its world share, 0 worksPhysics and AstronomyDentistry: 0.58× its world share, 0 worksDentistryHealth Professions: 0.22× its world share, 0 worksHealth ProfessionsMedicine: 4.70× its world share, 36 worksMedicineNursing: 0.14× its world share, 0 worksNursingDecision Sciences: 2.60× its world share, 1 worksDecision Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 4.7×. Every wedge is a field page.

All 14 fields, with their numbers
  1. Medicine4.70×36 works
  2. Decision Sciences2.60×1 works
  3. Pharmacology, Toxicology and Pharmaceutics1.19×0 works
  4. Dentistry0.58×0 works
  5. Neuroscience0.55×0 works
  6. Biochemistry, Genetics and Molecular Biology0.43×1 works
  7. Health Professions0.22×0 works
  8. Agricultural and Biological Sciences0.18×0 works
  9. Nursing0.14×0 works
  10. Physics and Astronomy0.13×0 works
  11. Immunology and Microbiology0.11×0 works
  12. Engineering0.08×0 works
  13. Environmental Science0.02×0 works
  14. Computer Science0.01×0 works

Who are the top researchers at Oji General Hospital?

Ranked on the quality score, Yasutaka Kawai, Ryukichi Seino and Takahisa Mizukoshi lead among researchers whose main affiliation is Oji General Hospital.

  1. 1 Yasutaka Kawai Japan · #3,151,487 worldwide 183 citations · 31 works
  2. 2 Ryukichi Seino Japan · #4,668,242 worldwide 25 citations · 22 works
  3. 3 Takahisa Mizukoshi Japan · #4,887,806 worldwide 8 citations · 17 works
  4. 4 Yasufumi Mito Japan · #4,942,452 worldwide 52 citations · 22 works
  5. 5 Shinya Minami Japan · #5,001,744 worldwide 648 citations · 60 works
  6. 6 Yutaka Makino Japan · #5,008,381 worldwide 268 citations · 43 works
  7. 7 Tadahiro Yokomori Japan · #5,643,197 worldwide 229 citations · 49 works
  8. 8 Hiroshi Iesato Japan · #5,845,774 worldwide 90 citations · 42 works
  9. 9 Toshinori Okuda Japan · #5,889,474 worldwide 420 citations · 59 works
  10. 10 Yuji Kanisawa Japan · #6,407,243 worldwide 328 citations · 66 works
All ranked researchers at Oji General Hospital

What are the most cited papers from Oji General Hospital?

The most cited paper from Oji General Hospital is "Indomethacin and Celecoxib Impair Rotator Cuff Tendon-to-Bone Healing" (David B. Cohen, Sumito Kawamura, John R. Ehteshami et al., 2005), with 296 citations. Next come "2008 Japanese Society for Dialysis Therapy: Guidelines for Renal Anemia in Chronic Kidney Disease" (286) and "Unique mutations in the filaggrin gene in Japanese patients with ichthyosis vulgaris and atopic dermatitis" (273).

Most cited papers
#PaperReleasedCitations
1 Indomethacin and Celecoxib Impair Rotator Cuff Tendon-to-Bone Healing David B. Cohen, Sumito Kawamura, John R. Ehteshami et al. · The American Journal of Sports Medicine 6 Oct 2005 296
2 2008 Japanese Society for Dialysis Therapy: Guidelines for Renal Anemia in Chronic Kidney Disease Yoshiharu Tsubakihara, Shinichi Nishi, Takashi Akiba et al. · Therapeutic Apheresis and Dialysis 25 May 2010 286
3 Unique mutations in the filaggrin gene in Japanese patients with ichthyosis vulgaris and atopic dermatitis Toshifumi Nomura, Aileen Sandilands, Masashi Akiyama et al. · Journal of Allergy and Clinical Immunology Open access Feb 2007 273
4 Histological Analysis of Human Meniscal Allografts Scott Alan Rodeo, Aruna M. Seneviratne, Katsunori Suzuki et al. · Journal of Bone and Joint Surgery Aug 2000 222
5 Stability of the mandible after sagittal ramus osteotomy for correction of prognathism Tadaharu Kobayashi, Izumi Watanabe, Ken Ichi Ueda et al. · Journal of Oral and Maxillofacial Surgery Sep 1986 220
All 61 most cited papers, with filters and sorting

Which keywords describe research at Oji General Hospital?

By fractional works in 2022-now, weighted toward what it does more of than the world: Epidemiology, Chemotherapy, Diagnosis, Treatment, Inflammation, Cholangiocarcinoma, Echocardiography and Endovascular Repair.

▲ 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 36 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 36 words, with their numbers
  1. Epidemiology6▲ 3.9×31 topics
  2. Chemotherapy3▲ 10×15 topics
  3. Inflammation3▲ 3.4×16 topics
  4. Diagnosis2▲ 6.7×10 topics
  5. Treatment2▲ 5.1×9 topics
  6. Cholangiocarcinoma2▲ 59×2 topics
  7. Echocardiography2▲ 16×4 topics
  8. Endovascular Repair2▲ 48×2 topics
  9. Immunotherapy2▲ 6.0×10 topics
  10. Cardiovascular Disease2▲ 3.2×10 topics
  11. Cholecystitis2▲ 86×1 topic
  12. ERCP2▲ 86×1 topic
  13. Management2▲ 4.8×12 topics
  14. Immune Response1▲ 6.0×4 topics
  15. Prognostic Factors1▲ 8.1×6 topics
  16. Artificial Intelligence1▲ 2.4×2 topics
  17. Heart Failure1▲ 7.3×5 topics
  18. Thrombus Formation1▲ 39×2 topics
  19. Clinical Trials1▲ 4.1×3 topics
  20. Complications1▲ 5.7×4 topics
  21. Endoscopic Stenting1▲ 61×1 topic
  22. Esophageal Perforation1▲ 61×1 topic
  23. Guidelines1▲ 5.8×6 topics
  24. Medical Education1▲ 9.9×1 topic
  25. Musculoskeletal Medicine1▲ 188×1 topic
  26. Neuroimaging1▲ 10×2 topics
  27. Primary Care1▲ 7.5×2 topics
  28. Rheumatology1▲ 71×2 topics
  29. Risk Factors1▲ 2.6×8 topics
  30. Surgical Management1▲ 6.9×7 topics
  31. Targeted Therapy1▲ 12×4 topics
  32. Aortic Dissection1▲ 59×1 topic
  33. Bicuspid Aortic Valve1▲ 59×1 topic
  34. Big Data Analytics1▲ 12×1 topic
  35. Internet of Things1▲ 2.9×1 topic
  36. Pathogenesis1▲ 5.2×4 topics

Which research topics does Oji General Hospital publish most on?

By volume in 2022-now: Gallbladder and Bile Duct Disorders, Esophageal and GI Pathology, Musculoskeletal Disorders and Rehabilitation and Aortic Disease and Treatment Approaches.

Gallbladder and Bile Duc…2Gallbladder and Bile Duct Disorders: 2 fractional worksEsophageal and GI Pathol…1Esophageal and GI Pathology: 1 fractional worksMusculoskeletal Disorder…1Musculoskeletal Disorders and Rehabilitation: 1 fractional worksAortic Disease and Treat…1Aortic Disease and Treatment Approaches: 1 fractional worksImpact of AI and Big Data on Business and Society: 1 fractional worksGastrointestinal disorders and treatments: 1 fractional worksAmoebic Infections and T…1Amoebic Infections and Treatments: 1 fractional worksAortic aneurysm repair t…1Aortic aneurysm repair treatments: 1 fractional worksCerebral Venous Sinus Th…1Cerebral Venous Sinus Thrombosis: 1 fractional worksCardiovascular Function …0Cardiovascular Function and Risk Factors: 0 fractional works
Pulmonary and Respiratory MedicineSurgeryRehabilitationManagement Science and Operations Research3 others

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

  1. 1 Gallbladder and Bile Duct Disorders Pulmonary and Respiratory Medicine 2 works
  2. 2 Esophageal and GI Pathology Surgery 1 works
  3. 3 Musculoskeletal Disorders and Rehabilitation Rehabilitation 1 works
  4. 4 Aortic Disease and Treatment Approaches Pulmonary and Respiratory Medicine 1 works
  5. 5 Impact of AI and Big Data on Business and Society Management Science and Operations Research 1 works
  6. 6 Gastrointestinal disorders and treatments Surgery 1 works
  7. 7 Amoebic Infections and Treatments Infectious Diseases 1 works
  8. 8 Aortic aneurysm repair treatments Pulmonary and Respiratory Medicine 1 works
  9. 9 Cerebral Venous Sinus Thrombosis Neurology 1 works
  10. 10 Cardiovascular Function and Risk Factors Cardiology and Cardiovascular Medicine 0 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 available57.5%not open42.5%

World: 40% of research is openly available.

with international co-authors6.9%domestic only93.1%

World: 18% is written across borders.

How has Oji General Hospital's research output changed?

Output in 2022-2025 was 11% 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 Oji General Hospital as a percentage of every work published that year, 0.00013% in 2024.

still counting0.00050%0.0010%Oji General Hospital0.00024% in 202519801990200020102020

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

Other research institutions in Tomakomai

All research institutions in Tomakomai

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Oji General Hospital on Science Explorer

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