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Hospital / health system · Hamada · Japan

Nishikawa Hospital

In research, Nishikawa Hospital stands highest in Medicine (#10,847 of 14,558 worldwide) and Health Sciences (#13,152 of 16,688 worldwide), over all time.

nishikawa-hospital.jpROR OpenAlex
World rank, all time
#27,534
of 34,923
Rank in Japan
#1,100
of 1,923
Research works
400
▼ 8% vs 2018-21
Citations
4.8k
12.0 per fractional work
Top-10% rate
7.5%
all institutions 10.0%
vs its own fields
0.75×
1.00× is exactly expected
Open access
42%
world 40%
International
8%
world 18%
Nishikawa Hospital

What is Nishikawa 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 #10,847 of 14,558 5.6%279
Health SciencesDomain #13,152 of 16,688 5.6%297

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

In 2022-now, 72% of research at Nishikawa Hospital is in Health Sciences, 11% in Life Sciences. Its largest fields are Medicine (66%), Health Professions (6%), Biochemistry, Genetics and Molecular Biology (5%). It does 2.7× the world's share of Health Sciences.

Health Sciences: 37 fractional works · 72.1% of its workMedicine: 34 fractional works · 65.9% of its workSurgery: 8 fractional works · 14.6% of its workPulmonary and Respiratory Medicine: 4 fractional works · 7.2% of its workEndocrinology, Diabetes and Metabolism: 2 fractional works · 4.5% of its workEpidemiology: 2 fractional works · 4.0% of its workOncology: 2 fractional works · 3.8% of its workPathology and Forensic Medicine: 2 fractional works · 3.7% of its workCardiology and Cardiovascular Medicine: 2 fractional works · 3.4% of its workOrthopedics and Sports Medicine: 2 fractional works · 3.2% of its workInfectious Diseases: 2 fractional works · 3.1% of its workPhysiology: 1 fractional works · 2.4% of its workRadiology, Nuclear Medicine and Imaging: 1 fractional works · 2.0% of its workRheumatology: 1 fractional works · 1.9% of its workPublic Health, Environmental and Occupational Health: 1 fractional works · 1.3% of its workCritical Care and Intensive Care Medicine: 1 fractional works · 1.3% of its workPsychiatry and Mental health: 1 fractional works · 1.3% of its workDermatology: 1 fractional works · 1.2% of its workRehabilitation: 1 fractional works · 1.1% of its workPharmacology: 0 fractional works · 1.0% of its workEmergency Medicine: 0 fractional works · 0.9% of its workBiochemistry: 0 fractional works · 0.6% of its workNeurology: 0 fractional works · 0.5% of its workAnesthesiology and Pain Medicine: 0 fractional works · 0.4% of its workOphthalmology: 0 fractional works · 0.4% of its workUrology: 0 fractional works · 0.4% of its workHepatology: 0 fractional works · 0.3% of its workPediatrics, Perinatology and Child Health: 0 fractional works · 0.3% of its workNephrology: 0 fractional works · 0.3% of its workGastroenterology: 0 fractional works · 0.2% of its workGenetics: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.6% of its workHealth Professions: 3 fractional works · 5.7% of its workPhysical Therapy, Sports Therapy and Rehabilitation: 1 fractional works · 1.8% of its workSpeech and Hearing: 1 fractional works · 1.1% of its workEmergency Medical Services: 0 fractional works · 0.7% of its workHealth Information Management: 0 fractional works · 0.6% of its workOccupational Therapy: 0 fractional works · 0.5% of its workGeneral Health Professions: 0 fractional works · 0.5% of its workPharmacy: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.3% of its workDentistry: 0 fractional works · 0.3% of its workPeriodontics: 0 fractional works · 0.3% of its workNursing: 0 fractional works · 0.1% of its workVeterinary: 0 fractional works · 0.0% of its workLife Sciences: 6 fractional works · 11.1% of its workBiochemistry, Genetics and Molecular Biology: 3 fractional works · 5.4% of its workCell Biology: 1 fractional works · 1.6% of its workGenetics: 1 fractional works · 1.6% of its workCancer Research: 1 fractional works · 1.1% of its workMolecular Biology: 0 fractional works · 0.5% of its workBiophysics: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workNeuroscience: 2 fractional works · 3.4% of its workCognitive Neuroscience: 1 fractional works · 2.4% of its workEndocrine and Autonomic Systems: 0 fractional works · 0.7% of its workNeurology: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workImmunology and Microbiology: 1 fractional works · 1.0% of its workImmunology: 0 fractional works · 0.6% of its workMicrobiology: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workAgricultural and Biological Sciences: 0 fractional works · 0.8% of its workPlant Science: 0 fractional works · 0.3% of its workGeneral Agricultural and Biological Sciences: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.3% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.4% of its workPharmaceutical Science: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workSocial Sciences: 4 fractional works · 8.7% of its workSocial Sciences: 2 fractional works · 3.4% of its workEducation: 1 fractional works · 2.1% of its workHealth: 0 fractional works · 0.4% of its workSociology and Political Science: 0 fractional works · 0.4% of its workTransportation: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workPsychology: 1 fractional works · 2.6% of its workClinical Psychology: 1 fractional works · 1.2% of its workDevelopmental and Educational Psychology: 0 fractional works · 0.9% of its workExperimental and Cognitive Psychology: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.1% of its workBusiness, Management and Accounting: 1 fractional works · 1.3% of its workStrategy and Management: 0 fractional works · 0.7% of its workManagement of Technology and Innovation: 0 fractional works · 0.6% of its workEconomics, Econometrics and Finance: 1 fractional works · 1.2% of its workEconomics and Econometrics: 1 fractional works · 1.2% of its workArts and Humanities: 0 fractional works · 0.2% of its workPhysical Sciences: 4 fractional works · 8.1% of its workEngineering: 2 fractional works · 3.7% of its workBiomedical Engineering: 1 fractional works · 2.4% of its workMechanical Engineering: 0 fractional works · 0.4% of its workAerospace Engineering: 0 fractional works · 0.3% of its workControl and Systems Engineering: 0 fractional works · 0.3% of its workMechanics of Materials: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workComputer Science: 1 fractional works · 2.1% of its workComputer Vision and Pattern Recognition: 0 fractional works · 0.8% of its workInformation Systems: 0 fractional works · 0.7% of its workHuman-Computer Interaction: 0 fractional works · 0.5% of its workMaterials Science: 1 fractional works · 1.1% of its workPolymers and Plastics: 0 fractional works · 1.0% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEnvironmental Science: 1 fractional works · 1.0% of its workHealth, Toxicology and Mutagenesis: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.7% of its workMathematics: 0 fractional works · 0.2% of its workApplied Mathematics: 0 fractional works · 0.2% of its workALL ITS WORKNishikawaHospital51fractional works, 2022-now
Life Sciences11%Physical Sciences8%Health Sciences72%Social Sciences9%

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 20 fields, with their numbers
    1. Medicine3465.9%
    2. Health Professions35.7%
    3. Dentistry00.3%
    4. Nursing00.1%
    5. Veterinary00.0%
    1. Biochemistry, Genetics and Molecular Biology35.4%
    2. Neuroscience23.4%
    3. Immunology and Microbiology11.0%
    4. Agricultural and Biological Sciences00.8%
    5. Pharmacology, Toxicology and Pharmaceutics00.4%
    1. Social Sciences23.4%
    2. Psychology12.6%
    3. Business, Management and Accounting11.3%
    4. Economics, Econometrics and Finance11.2%
    5. Arts and Humanities00.2%
    1. Engineering23.7%
    2. Computer Science12.1%
    3. Materials Science11.1%
    4. Environmental Science11.0%
    5. Mathematics00.2%
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: 0.17× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.00× its world share, 3 worksBiochemistry, Geneti…Immunology and Microbiology: 0.98× its world share, 0 worksImmunology and Micro…Neuroscience: 2.12× its world share, 2 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.29× its world share, 0 worksPharmacology, Toxico…Computer Science: 0.26× its world share, 1 worksComputer ScienceEngineering: 0.25× its world share, 2 worksEngineeringEnvironmental Science: 0.20× its world share, 0 worksEnvironmental ScienceMaterials Science: 0.30× its world share, 0 worksMaterials ScienceMathematics: 0.18× its world share, 0 worksMathematicsDentistry: 0.67× its world share, 0 worksDentistryHealth Professions: 2.15× its world share, 3 worksHealth ProfessionsMedicine: 3.43× its world share, 34 worksMedicineNursing: 0.26× its world share, 0 worksNursingVeterinary: 0.25× its world share, 0 worksVeterinaryArts and Humanities: 0.06× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.42× its world share, 1 worksBusiness, Management…Economics, Econometrics and Finance: 0.58× its world share, 1 worksEconomics, Econometr…Psychology: 0.84× its world share, 1 worksPsychologySocial Sciences: 0.27× 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, 3.4×. Every wedge is a field page.

All 20 fields, with their numbers
  1. Medicine3.43×34 works
  2. Health Professions2.15×3 works
  3. Neuroscience2.12×2 works
  4. Pharmacology, Toxicology and Pharmaceutics1.29×0 works
  5. Biochemistry, Genetics and Molecular Biology1.00×3 works
  6. Immunology and Microbiology0.98×0 works
  7. Psychology0.84×1 works
  8. Dentistry0.67×0 works
  9. Economics, Econometrics and Finance0.58×1 works
  10. Business, Management and Accounting0.42×1 works
  11. Materials Science0.30×0 works
  12. Social Sciences0.27×2 works
  13. Computer Science0.26×1 works
  14. Nursing0.26×0 works
  15. Engineering0.25×2 works
  16. Veterinary0.25×0 works
  17. Environmental Science0.20×0 works
  18. Mathematics0.18×0 works
  19. Agricultural and Biological Sciences0.17×0 works
  20. Arts and Humanities0.06×0 works

Who are the top researchers at Nishikawa Hospital?

Ranked on the quality score, Takuya Izumikawa, Itsuyuki Koga and Yasunori Uchida lead among researchers whose main affiliation is Nishikawa Hospital.

  1. 1 Takuya Izumikawa Japan · #4,242,215 worldwide 165 citations · 25 works
  2. 2 Itsuyuki Koga Japan · #5,156,337 worldwide 382 citations · 24 works
  3. 2 Yasunori Uchida Japan · #5,156,337 worldwide 398 citations · 24 works
  4. 4 Seturo Imawaki Japan · #5,732,061 worldwide 71 citations · 31 works
  5. 5 Masao Yoshikawa Japan · #5,858,966 worldwide 118 citations · 32 works
All ranked researchers at Nishikawa Hospital

What are the most cited papers from Nishikawa Hospital?

The most cited paper from Nishikawa Hospital is "Antithrombotic Drug Use, Cerebral Microbleeds, and Intracerebral Hemorrhage" (Caroline E. Lovelock, Charlotte Cordonnier, Hiromitsu Naka et al., 2010), with 280 citations. Next come "The Japanese Society of Hypertension Guidelines for Self-monitoring of Blood Pressure at Home (Second Edition)" (204) and "Simultaneous Detection of Immunoglobulin A (IgA) and IgM Antibodies against Hepatitis E Virus (HEV) Is Highly Specific for Diagnosis of Acute HEV Infection" (203).

Most cited papers
#PaperReleasedCitations
1 Antithrombotic Drug Use, Cerebral Microbleeds, and Intracerebral Hemorrhage Caroline E. Lovelock, Charlotte Cordonnier, Hiromitsu Naka et al. · Stroke Open access 29 Apr 2010 280
2 The Japanese Society of Hypertension Guidelines for Self-monitoring of Blood Pressure at Home (Second Edition) Yutaka Imai, Kazuomi Kario, Kazuyuki Shimada et al. · Hypertension Research Open access Aug 2012 204
3 Simultaneous Detection of Immunoglobulin A (IgA) and IgM Antibodies against Hepatitis E Virus (HEV) Is Highly Specific for Diagnosis of Acute HEV Infection Masaharu Takahashi, Shigeyuki Kusakai, Hitoshi Mizuo et al. · Journal of Clinical Microbiology Open access 2005 203
4 Efficacy of lamivudine for preventing hepatocellular carcinoma in chronic hepatitis B: A multicenter retrospective study of 2795 patients Akihiro Matsumoto, Eiji Tanaka, Akinori Rokuhara et al. · Hepatology Research Open access Jul 2005 193
5 Characteristics of Macrolide‐Resistant Mycoplasma pneumoniae Strains Isolated from Patients and Induced with Erythromycin In Vitro Norio Okazaki, Mitsuo Narita, Satoshi Yamada et al. · Microbiology and Immunology Open access Aug 2001 189
All 62 most cited papers, with filters and sorting

Which keywords describe research at Nishikawa Hospital?

By fractional works in 2022-now, weighted toward what it does more of than the world: Epidemiology, Chemotherapy, Complications, Rehabilitation, Quality of Life, Biomechanics, Low Back Pain and Clinical Practice Guidelines.

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

All 35 words, with their numbers
  1. Epidemiology6▲ 2.7×47 topics
  2. Chemotherapy3▲ 7.1×13 topics
  3. Quality of Life3▲ 3.5×16 topics
  4. Complications2▲ 8.4×10 topics
  5. Rehabilitation2▲ 9.7×7 topics
  6. Inflammation2▲ 1.72×16 topics
  7. Risk Factors2▲ 3.2×12 topics
  8. Clinical Practice Guidelines2▲ 6.0×11 topics
  9. Biomechanics2▲ 10×4 topics
  10. Cardiovascular Disease2▲ 2.7×13 topics
  11. Deep Learning2◆ 0.88×7 topics
  12. Low Back Pain2▲ 18×2 topics
  13. Obesity2▲ 4.1×7 topics
  14. Degenerative Disc Disease2▲ 31×2 topics
  15. Diagnosis2▲ 3.1×12 topics
  16. Surgical Treatment2▲ 15×4 topics
  17. Clinical Outcomes1▲ 13×3 topics
  18. Guidelines1▲ 5.9×8 topics
  19. Immunotherapy1▲ 3.7×9 topics
  20. Pandemic1▲ 2.5×5 topics
  21. Spinal Fusion1▲ 27×2 topics
  22. Survival Analysis1▲ 9.3×4 topics
  23. Treatment1▲ 2.0×11 topics
  24. Intervertebral Disc1▲ 34×1 topic
  25. Lumbar Disc Degeneration1▲ 34×1 topic
  26. Atherosclerosis1▲ 7.4×4 topics
  27. Clinical Trials1▲ 3.3×7 topics
  28. Elderly1▲ 8.7×3 topics
  29. Functional Recovery1▲ 14×4 topics
  30. Genetic Mutations1▲ 4.8×5 topics
  31. Management1▲ 2.6×10 topics
  32. Mortality1▲ 3.9×8 topics
  33. Percutaneous Coronary Intervention1▲ 15×2 topics
  34. Radiotherapy1▲ 5.3×3 topics
  35. SARS-CoV-21▲ 7.0×3 topics

Which research topics does Nishikawa Hospital publish most on?

By volume in 2022-now: Spine and Intervertebral Disc Pathology, Spinal Fractures and Fixation Techniques, Adrenal and Paraganglionic Tumors and Adrenal Hormones and Disorders.

Spine and Intervertebral…1Spine and Intervertebral Disc Pathology: 1 fractional worksSpinal Fractures and Fix…1Spinal Fractures and Fixation Techniques: 1 fractional worksAdrenal and Paraganglion…1Adrenal and Paraganglionic Tumors: 1 fractional worksAdrenal Hormones and Dis…1Adrenal Hormones and Disorders: 1 fractional worksHormonal Regulation and Hypertension: 1 fractional worksVascular Procedures and Complications: 1 fractional worksDysphagia Assessment and…1Dysphagia Assessment and Management: 1 fractional worksWhipple's Disease and Interleukins: 0 fractional worksPituitary Gland Disorders and Treatments: 0 fractional worksHelicobacter pylori-rela…0Helicobacter pylori-related gastroenterology studies: 0 fractional works
Pathology and Forensic MedicineSurgeryEndocrinology, Diabetes and MetabolismPulmonary and Respiratory Medicine1 others

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

  1. 1 Spine and Intervertebral Disc Pathology Pathology and Forensic Medicine 1 works
  2. 2 Spinal Fractures and Fixation Techniques Surgery 1 works
  3. 3 Adrenal and Paraganglionic Tumors Surgery 1 works
  4. 4 Adrenal Hormones and Disorders Endocrinology, Diabetes and Metabolism 1 works
  5. 5 Hormonal Regulation and Hypertension Endocrinology, Diabetes and Metabolism 1 works
  6. 6 Vascular Procedures and Complications Pulmonary and Respiratory Medicine 1 works
  7. 7 Dysphagia Assessment and Management Speech and Hearing 1 works
  8. 8 Whipple's Disease and Interleukins Pathology and Forensic Medicine 0 works
  9. 9 Pituitary Gland Disorders and Treatments Endocrinology, Diabetes and Metabolism 0 works
  10. 10 Helicobacter pylori-related gastroenterology studies Surgery 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 available42.5%not open57.5%

World: 40% of research is openly available.

with international co-authors8.5%domestic only91.5%

World: 18% is written across borders.

How has Nishikawa Hospital's research output changed?

Output in 2022-2025 was 8% lower 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 Nishikawa Hospital as a percentage of every work published that year, 0.00020% in 2024.

still counting0.00050%0.0010%0.0015%Nishikawa Hospital0.00022% in 202519801990200020102020

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

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Nishikawa Hospital on Science Explorer

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