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Hospital / health system · Wakayama · Japan

Kihoku hospital

In research, Kihoku hospital stands highest in Medicine (#15,353 of 17,978 worldwide) and Health Sciences (#17,995 of 20,462 worldwide), over all time. Relative to its size it is most specialised in Medicine and Health Sciences — Medicine is 3.9× its share of world research.

wakayama-med.ac.jp/med/bun-inROR OpenAlex
World rank, all time
#32,064
of 42,892
Rank in Japan
#1,326
of 2,112
Research works
513
▲ 32% vs 2013–17
Citations
6k
11.8 per fractional work
Top-10% rate
6.1%
record average 16.5%
Open access
41%
world 28%

What is Kihoku 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 #15,353 of 17,978 5.0%338
Health SciencesDomain #17,995 of 20,462 5.0%359

Each strip is that field’s whole ranked pool, with the notch where Kihoku 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).

What does Kihoku hospital specialise in?

Where its research is concentrated relative to its size: Medicine takes 3.9× the share of its output that it takes of world research.

  1. MedicineField · 26.7 works3.9×
  2. Health SciencesDomain · 28.3 works3.4×
← 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.

Biochemistry, Genetics and Molecular Biology: 0.63× its world share, 1 worksBiochemistry, Geneti…Immunology and Microbiology: 1.54× its world share, 1 worksImmunology and Micro…Neuroscience: 2.85× its world share, 2 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.88× its world share, 0 worksPharmacology, Toxico…Engineering: 0.19× its world share, 1 worksEngineeringEnvironmental Science: 0.12× its world share, 0 worksEnvironmental ScienceMaterials Science: 0.27× its world share, 0 worksMaterials SciencePhysics and Astronomy: 0.21× its world share, 0 worksPhysics and AstronomyDentistry: 0.96× its world share, 0 worksDentistryHealth Professions: 1.26× its world share, 1 worksHealth ProfessionsMedicine: 3.87× its world share, 27 worksMedicineNursing: 0.32× its world share, 0 worksNursingVeterinary: 3.48× its world share, 0 worksVeterinaryArts and Humanities: 0.39× its world share, 0 worksArts and HumanitiesPsychology: 0.94× its world share, 1 worksPsychologySocial Sciences: 0.21× 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.

Who are the top researchers at Kihoku hospital?

Ranked on the composite score, Masahiro Ohata, Goro Yoshimura and Takeo Sakurai lead among researchers whose main affiliation is Kihoku hospital.

  1. 1 Masahiro Ohata Japan · #423,332 worldwide 111 citations · 15 works
  2. 2 Goro Yoshimura Japan · #1,113,973 worldwide 15 citations · 19 works
  3. 3 Takeo Sakurai Japan · #1,144,166 worldwide 36 citations · 41 works
  4. 4 Teiji Umemura Japan · #1,190,715 worldwide 11 citations · 15 works
  5. 5 Takeshi Tamaki Japan · #1,202,331 worldwide 18 citations · 29 works
  6. 6 Kotaro Mizuno Japan · #1,380,208 worldwide 4 citations · 15 works
  7. 7 Kiyonori Kuki Japan · #1,562,460 worldwide 8 citations · 17 works
All ranked researchers at Kihoku hospital

Which keywords describe research at Kihoku hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Spinal Fusion, Low Back Pain, Degenerative Disc Disease, Spinal Surgery, Surgical Treatment, Intervertebral Disc and Lumbar Disc Degeneration.

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

All 24 words, with their numbers
  1. Epidemiology7▲ 4.9×37 topics
  2. Spinal Fusion4▲ 105×2 topics
  3. Low Back Pain3▲ 53×2 topics
  4. Degenerative Disc Disease3▲ 83×2 topics
  5. Treatment2▲ 5.3×18 topics
  6. Spinal Surgery2▲ 80×2 topics
  7. Surgical Treatment2▲ 31×2 topics
  8. Complications2▲ 12×10 topics
  9. Intervertebral Disc2▲ 89×1 topic
  10. Lumbar Disc Degeneration2▲ 89×1 topic
  11. Diagnosis2▲ 6.1×14 topics
  12. Psychological Factors2▲ 26×4 topics
  13. Quality of Life2▲ 3.3×15 topics
  14. Chronic Pain2▲ 20×4 topics
  15. Scoliosis2▲ 139×1 topic
  16. Spinal Deformity2▲ 139×1 topic
  17. Inflammation1▲ 1.84×16 topics
  18. Clinical Trials1▲ 5.5×3 topics
  19. Management1▲ 4.7×9 topics
  20. Global Burden1▲ 6.5×3 topics
  21. Rehabilitation1▲ 8.3×7 topics
  22. Biomechanics1▲ 9.7×3 topics
  23. Disability1▲ 29×1 topic
  24. Measurement Properties1▲ 42×1 topic

Which research topics does Kihoku hospital publish most on?

By volume in 2022–2025: Spine and Intervertebral Disc Pathology, Scoliosis diagnosis and treatment, Musculoskeletal pain and rehabilitation and Esophageal and GI Pathology.

Spine and Intervertebral…2Spine and Intervertebral Disc Pathology: 2 fractional worksScoliosis diagnosis and treatment: 2 fractional worksMusculoskeletal pain and rehabilitation: 1 fractional worksEsophageal and GI Pathology: 1 fractional worksCervical and Thoracic Myelopathy: 1 fractional worksSpinal Fractures and Fix…1Spinal Fractures and Fixation Techniques: 1 fractional worksSports injuries and prevention: 0 fractional worksIon Channels and Receptors: 0 fractional worksOcular Surface and Contact Lens: 0 fractional worksTranscranial Magnetic Stimulation Studies: 0 fractional works
Pathology and Forensic MedicineSurgeryPharmacologyOrthopedics and Sports Medicine3 others

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

  1. 1 Spine and Intervertebral Disc Pathology Pathology and Forensic Medicine 2 works
  2. 2 Scoliosis diagnosis and treatment Surgery 2 works
  3. 3 Musculoskeletal pain and rehabilitation Pharmacology 1 works
  4. 4 Esophageal and GI Pathology Surgery 1 works
  5. 5 Cervical and Thoracic Myelopathy Surgery 1 works
  6. 6 Spinal Fractures and Fixation Techniques Surgery 1 works
  7. 7 Sports injuries and prevention Orthopedics and Sports Medicine 0 works
  8. 8 Ion Channels and Receptors Sensory Systems 0 works
  9. 9 Ocular Surface and Contact Lens Public Health, Environmental and Occupational Health 0 works
  10. 10 Transcranial Magnetic Stimulation Studies Neurology 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 available40.6%not open59.4%

World: 28% of research is openly available.

with international co-authors6.2%domestic only93.8%

World: 19% is written across borders.

How has Kihoku hospital's research output changed?

Output in 2018–2022 was 32% higher than in 2013–2017.

1990200020102020
grewheldshrank

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

Other research institutions in Wakayama

All research institutions in Wakayama

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.