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Hospital / health system · Sapporo · Japan

Hokkaido Orthopedic Surgery Memorial Hospital

In research, Hokkaido Orthopedic Surgery Memorial Hospital stands highest in Medicine (#17,589 of 17,978 worldwide) and Health Sciences (#20,197 of 20,462 worldwide), over all time. Relative to its size it is most specialised in Health Sciences — Health Sciences is 3.9× its share of world research.

hokkaido-seikei-kinen.jpROR OpenAlex
World rank, all time
#42,024
of 42,892
Rank in Japan
#2,062
of 2,112
Research works
140
▲ 63% vs 2013–17
Citations
2.7k
19.2 per fractional work
Top-10% rate
8.1%
record average 16.5%
Open access
40%
world 28%

What is Hokkaido Orthopedic Surgery Memorial 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 #17,589 of 17,978 7.7%120
Health SciencesDomain #20,197 of 20,462 7.8%123

Each strip is that field’s whole ranked pool, with the notch where Hokkaido Orthopedic Surgery Memorial 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 Hokkaido Orthopedic Surgery Memorial Hospital specialise in?

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

  1. Health SciencesDomain · 20.2 works3.9×
← 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: 0.41× its world share, 0 worksBiochemistry, Geneti…Immunology and Microbiology: 1.09× its world share, 0 worksImmunology and Micro…Neuroscience: 1.83× its world share, 1 worksNeuroscienceComputer Science: 0.03× its world share, 0 worksComputer ScienceEngineering: 0.30× its world share, 1 worksEngineeringEnvironmental Science: 0.06× its world share, 0 worksEnvironmental ScienceDentistry: 1.76× its world share, 0 worksDentistryHealth Professions: 0.40× its world share, 0 worksHealth ProfessionsMedicine: 4.51× its world share, 20 worksMedicinePsychology: 0.10× its world share, 0 worksPsychology1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 4.5×. Every wedge is a field page.

Which keywords describe research at Hokkaido Orthopedic Surgery Memorial Hospital?

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

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

All 18 words, with their numbers
  1. Degenerative Disc Disease3▲ 131×2 topics
  2. Epidemiology2▲ 2.4×22 topics
  3. Complications2▲ 16×7 topics
  4. Biomechanics2▲ 24×5 topics
  5. Spinal Fusion2▲ 75×2 topics
  6. Surgical Treatment2▲ 35×2 topics
  7. Clinical Outcomes2▲ 31×2 topics
  8. Low Back Pain2▲ 39×2 topics
  9. Anterior Cervical Discectomy1▲ 221×1 topic
  10. Cervical Spine Surgery1▲ 221×1 topic
  11. Intervertebral Disc1▲ 93×1 topic
  12. Lumbar Disc Degeneration1▲ 93×1 topic
  13. Revision Surgery1▲ 44×2 topics
  14. Total Hip Replacement1▲ 44×2 topics
  15. Pedicle Screw Fixation1▲ 138×1 topic
  16. Rehabilitation1▲ 14×7 topics
  17. Vertebroplasty1▲ 138×1 topic
  18. Surgical Management1▲ 12×8 topics

Which research topics does Hokkaido Orthopedic Surgery Memorial Hospital publish most on?

By volume in 2022–2025: Cervical and Thoracic Myelopathy, Spine and Intervertebral Disc Pathology, Spinal Fractures and Fixation Techniques and Orthopaedic implants and arthroplasty.

Cervical and Thoracic Myelopathy: 1 fractional worksSpine and Intervertebral Disc Pathology: 1 fractional worksSpinal Fractures and Fixation Techniques: 1 fractional worksOrthopaedic implants and arthroplasty: 1 fractional worksHip disorders and treatments: 1 fractional worksShoulder Injury and Trea…1Shoulder Injury and Treatment: 1 fractional worksTotal Knee Arthroplasty Outcomes: 0 fractional worksHead and Neck Surgical Oncology: 0 fractional worksHip and Femur Fractures: 0 fractional worksTracheal and airway disorders: 0 fractional works
SurgeryPathology and Forensic MedicinePulmonary and Respiratory Medicine

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

  1. 1 Cervical and Thoracic Myelopathy Surgery 1 works
  2. 2 Spine and Intervertebral Disc Pathology Pathology and Forensic Medicine 1 works
  3. 3 Spinal Fractures and Fixation Techniques Surgery 1 works
  4. 4 Orthopaedic implants and arthroplasty Surgery 1 works
  5. 5 Hip disorders and treatments Surgery 1 works
  6. 6 Shoulder Injury and Treatment Surgery 1 works
  7. 7 Total Knee Arthroplasty Outcomes Surgery 0 works
  8. 8 Head and Neck Surgical Oncology Surgery 0 works
  9. 9 Hip and Femur Fractures Surgery 0 works
  10. 10 Tracheal and airway disorders Pulmonary and Respiratory 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 available40.4%not open59.6%

World: 28% of research is openly available.

with international co-authors7.8%domestic only92.2%

World: 19% is written across borders.

How has Hokkaido Orthopedic Surgery Memorial Hospital's research output changed?

Output in 2018–2022 was 63% 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 Sapporo

All research institutions in Sapporo

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.