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Hospital / health system · Los Angeles · United States

Orthopaedic Hospital

In research, Orthopaedic Hospital stands highest in Health Sciences (#2,326 of 16,688 worldwide), Medicine (#2,444 of 14,558 worldwide) and Surgery (#622 of 3,248 worldwide), over all time. Relative to its size it is most specialised in Surgery, Medicine and Health Sciences (Surgery is 15.7× its share of world research).

orthohospital.orgROR OpenAlex
World rank, all time
#6,569
of 34,923
Rank in United States
#1,376
of 7,310
Research works
1.2k
▼ 41% vs 2018-21
Citations
45k
37.4 per fractional work
Top-10% rate
8.5%
all institutions 10.0%
vs its own fields
0.97×
1.00× is exactly expected
Open access
32%
world 40%
International
30%
world 18%
Orthopaedic Hospital

What is Orthopaedic 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
Health SciencesDomain #2,326 of 16,688 13.7%1,007
MedicineField #2,444 of 14,558 13.6%969
SurgerySubfield #622 of 3,248 14.4%421

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

In 2022-now, 82% of research at Orthopaedic Hospital is in Health Sciences, 8% in Life Sciences. Its largest fields are Medicine (78%), Engineering (5%), Biochemistry, Genetics and Molecular Biology (5%). It does 3.1× the world's share of Health Sciences.

Health Sciences: 49 fractional works · 82.1% of its workMedicine: 46 fractional works · 77.6% of its workSurgery: 22 fractional works · 36.8% of its workPathology and Forensic Medicine: 3 fractional works · 5.6% of its workEpidemiology: 3 fractional works · 4.9% of its workRheumatology: 2 fractional works · 3.7% of its workPublic Health, Environmental and Occupational Health: 2 fractional works · 2.9% of its workPulmonary and Respiratory Medicine: 2 fractional works · 2.6% of its workOrthopedics and Sports Medicine: 2 fractional works · 2.5% of its workCardiology and Cardiovascular Medicine: 1 fractional works · 2.1% of its workRadiology, Nuclear Medicine and Imaging: 1 fractional works · 1.6% of its workNeurology: 1 fractional works · 1.5% of its workRehabilitation: 1 fractional works · 1.5% of its workNephrology: 1 fractional works · 1.5% of its workOncology: 1 fractional works · 1.2% of its workGenetics: 1 fractional works · 1.0% of its workPhysiology: 1 fractional works · 1.0% of its workPharmacology: 0 fractional works · 0.8% of its workEmergency Medicine: 0 fractional works · 0.7% of its workDermatology: 0 fractional works · 0.7% of its workHematology: 0 fractional works · 0.7% of its workInfectious Diseases: 0 fractional works · 0.6% of its workPediatrics, Perinatology and Child Health: 0 fractional works · 0.5% of its workComplementary and alternative medicine: 0 fractional works · 0.5% of its workHepatology: 0 fractional works · 0.4% of its workHealth Informatics: 0 fractional works · 0.3% of its workEndocrinology, Diabetes and Metabolism: 0 fractional works · 0.3% of its workImmunology and Allergy: 0 fractional works · 0.3% of its workGeriatrics and Gerontology: 0 fractional works · 0.3% of its workAnatomy: 0 fractional works · 0.2% of its workPsychiatry and Mental health: 0 fractional works · 0.2% of its workUrology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.8% of its workHealth Professions: 2 fractional works · 3.9% of its workGeneral Health Professions: 1 fractional works · 1.7% of its workSpeech and Hearing: 1 fractional works · 1.1% of its workPhysical Therapy, Sports Therapy and Rehabilitation: 0 fractional works · 0.7% of its workComplementary and Manual Therapy: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workNursing: 0 fractional works · 0.3% of its workNutrition and Dietetics: 0 fractional works · 0.3% of its workDentistry: 0 fractional works · 0.1% of its workVeterinary: 0 fractional works · 0.1% of its workLife Sciences: 5 fractional works · 7.6% of its workBiochemistry, Genetics and Molecular Biology: 3 fractional works · 4.6% of its workMolecular Biology: 2 fractional works · 3.5% of its workEndocrinology: 0 fractional works · 0.4% of its workCancer Research: 0 fractional works · 0.4% of its workGenetics: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workImmunology and Microbiology: 1 fractional works · 1.5% of its workImmunology: 1 fractional works · 0.9% of its workVirology: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.3% of its workAgricultural and Biological Sciences: 1 fractional works · 1.0% of its workPlant Science: 0 fractional works · 0.8% of its workSmaller subfields together: 0 fractional works · 0.2% of its workNeuroscience: 0 fractional works · 0.4% of its workCellular and Molecular Neuroscience: 0 fractional works · 0.4% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.2% of its workPharmacology: 0 fractional works · 0.2% of its workPhysical Sciences: 4 fractional works · 7.3% of its workEngineering: 3 fractional works · 5.4% of its workBiomedical Engineering: 3 fractional works · 5.0% of its workSmaller subfields together: 0 fractional works · 0.4% of its workComputer Science: 0 fractional works · 0.8% of its workInformation Systems: 0 fractional works · 0.6% of its workSignal Processing: 0 fractional works · 0.3% of its workMaterials Science: 0 fractional works · 0.4% of its workPolymers and Plastics: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workChemistry: 0 fractional works · 0.3% of its workEnvironmental Science: 0 fractional works · 0.3% of its workEcology: 0 fractional works · 0.3% of its workMathematics: 0 fractional works · 0.1% of its workPhysics and Astronomy: 0 fractional works · 0.0% of its workSocial Sciences: 2 fractional works · 3.0% of its workSocial Sciences: 1 fractional works · 1.3% of its workGender Studies: 1 fractional works · 1.0% of its workSmaller subfields together: 0 fractional works · 0.3% of its workBusiness, Management and Accounting: 0 fractional works · 0.8% of its workBusiness and International Management: 0 fractional works · 0.8% of its workPsychology: 0 fractional works · 0.8% of its workClinical Psychology: 0 fractional works · 0.3% of its workDevelopmental and Educational Psychology: 0 fractional works · 0.3% of its workSocial Psychology: 0 fractional works · 0.2% of its workEconomics, Econometrics and Finance: 0 fractional works · 0.1% of its workALL ITS WORKOrthopaedicHospital60fractional works, 2022-now
Life Sciences8%Physical Sciences7%Health Sciences82%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 21 fields, with their numbers
    1. Medicine4677.6%
    2. Health Professions23.9%
    3. Nursing00.3%
    4. Dentistry00.1%
    5. Veterinary00.1%
    1. Biochemistry, Genetics and Molecular Biology34.6%
    2. Immunology and Microbiology11.5%
    3. Agricultural and Biological Sciences11.0%
    4. Neuroscience00.4%
    5. Pharmacology, Toxicology and Pharmaceutics00.2%
    1. Engineering35.4%
    2. Computer Science00.8%
    3. Materials Science00.4%
    4. Chemistry00.3%
    5. Environmental Science00.3%
    6. Mathematics00.1%
    7. Physics and Astronomy00.0%
    1. Social Sciences11.3%
    2. Business, Management and Accounting00.8%
    3. Psychology00.8%
    4. Economics, Econometrics and Finance00.1%
All of science, and how each field's share has moved since 1950: the Science domain explorer

What does Orthopaedic Hospital specialise in?

Where its research is concentrated relative to its size: Surgery takes 15.7× the share of its output that it takes of world research.

  1. SurgerySubfield · 22.0 works16×
  2. MedicineField · 46.4 works4.0×
  3. Health SciencesDomain · 49.1 works3.6×
← 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: 0.21× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.86× its world share, 3 worksBiochemistry, Geneti…Immunology and Microbiology: 1.46× its world share, 1 worksImmunology and Micro…Neuroscience: 0.23× its world share, 0 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.62× its world share, 0 worksPharmacology, Toxico…Chemistry: 0.18× its world share, 0 worksChemistryComputer Science: 0.11× its world share, 0 worksComputer ScienceEngineering: 0.36× its world share, 3 worksEngineeringEnvironmental Science: 0.06× its world share, 0 worksEnvironmental ScienceMaterials Science: 0.11× its world share, 0 worksMaterials ScienceMathematics: 0.12× its world share, 0 worksMathematicsPhysics and Astronomy: 0.01× its world share, 0 worksPhysics and AstronomyDentistry: 0.29× its world share, 0 worksDentistryHealth Professions: 1.50× its world share, 2 worksHealth ProfessionsMedicine: 4.03× its world share, 46 worksMedicineNursing: 0.66× its world share, 0 worksNursingVeterinary: 0.68× its world share, 0 worksVeterinaryBusiness, Management and Accounting: 0.26× its world share, 0 worksBusiness, Management…Economics, Econometrics and Finance: 0.04× its world share, 0 worksEconomics, Econometr…Psychology: 0.25× its world share, 0 worksPsychologySocial Sciences: 0.10× 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, 4.0×. Every wedge is a field page.

All 21 fields, with their numbers
  1. Medicine4.03×46 works
  2. Health Professions1.50×2 works
  3. Immunology and Microbiology1.46×1 works
  4. Biochemistry, Genetics and Molecular Biology0.86×3 works
  5. Veterinary0.68×0 works
  6. Nursing0.66×0 works
  7. Pharmacology, Toxicology and Pharmaceutics0.62×0 works
  8. Engineering0.36×3 works
  9. Dentistry0.29×0 works
  10. Business, Management and Accounting0.26×0 works
  11. Psychology0.25×0 works
  12. Neuroscience0.23×0 works
  13. Agricultural and Biological Sciences0.21×1 works
  14. Chemistry0.18×0 works
  15. Mathematics0.12×0 works
  16. Computer Science0.11×0 works
  17. Materials Science0.11×0 works
  18. Social Sciences0.10×1 works
  19. Environmental Science0.06×0 works
  20. Economics, Econometrics and Finance0.04×0 works
  21. Physics and Astronomy0.01×0 works

Who are the top researchers at Orthopaedic Hospital?

Ranked on the quality score, Harry A. McKellop, PAT A. CAMPBELL and Harlan C. Amstutz lead among researchers whose main affiliation is Orthopaedic Hospital.

  1. 1 Harry A. McKellop United States · #148,639 worldwide 8.9k citations · 107 works
  2. 2 PAT A. CAMPBELL United States · #198,307 worldwide 8.4k citations · 122 works
  3. 3 Harlan C. Amstutz United States · #818,889 worldwide 2.3k citations · 28 works
  4. 4 James V. Luck United States · #999,547 worldwide 2.8k citations · 92 works
  5. 5 Maurício Silva United States · #1,041,304 worldwide 3.2k citations · 87 works
  6. 6 Fu‐Wen Shen United States · #1,074,950 worldwide 1.9k citations · 19 works
  7. 7 Raghav K. Goyal United States · #1,080,338 worldwide 829 citations · 44 works
  8. 8 C K Kasper United States · #1,173,377 worldwide 837 citations · 14 works
  9. 9 Madhu S. Bajaj United States · #1,951,120 worldwide 912 citations · 23 works
  10. 10 J. Robert Close United States · #1,980,055 worldwide 839 citations · 18 works
All ranked researchers at Orthopaedic Hospital

What are the most cited papers from Orthopaedic Hospital?

The most cited paper from Orthopaedic Hospital is "Dedifferentiated chondrocytes reexpress the differentiated collagen phenotype when cultured in agarose gels" (Paul D. Benya, Joy D. Shaffer, 1982), with 2,284 citations. Next come "A Review of the Clinical Side Effects of Bone Morphogenetic Protein-2" (1,139) and "Combined knee loading states that generate high anterior cruciate ligament forces" (1,040).

Most cited papers
#PaperReleasedCitations
1 Dedifferentiated chondrocytes reexpress the differentiated collagen phenotype when cultured in agarose gels Paul D. Benya, Joy D. Shaffer · Cell Aug 1982 2,284
2 A Review of the Clinical Side Effects of Bone Morphogenetic Protein-2 Aaron Watkins James, Gregory Y. LaChaud, Jia Z. Shen et al. · Tissue Engineering Part B Reviews Open access 9 Feb 2016 1,139
3 Combined knee loading states that generate high anterior cruciate ligament forces Keith L. Markolf, Daniel M. Burchfield, Matthew M. Shapiro et al. · Journal of Orthopaedic Research® Nov 1995 1,040
4 Inferior Capsular Shift for Involuntary Inferior and Multidirectional Instability of the Shoulder CHARLES SUMNER NEER, Craig R. Foster · Journal of Bone and Joint Surgery Oct 2001 937
5 Assessing activity in joint replacement patients Christopher A. Zahiri, Thomas P. Schmalzried, Edward S. Szuszczewicz et al. · The Journal of Arthroplasty Dec 1998 930
All 59 most cited papers, with filters and sorting

Which keywords describe research at Orthopaedic Hospital?

By fractional works in 2022-now, weighted toward what it does more of than the world: Spinal Fusion, Complications, Rehabilitation, Biomechanics, Degenerative Disc Disease, Epidemiology, Revision Surgery and Total Hip Replacement.

▲ 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. Epidemiology7▲ 3.1×28 topics
  2. Spinal Fusion6▲ 107×2 topics
  3. Complications6▲ 19×7 topics
  4. Rehabilitation5▲ 21×6 topics
  5. Biomechanics5▲ 27×6 topics
  6. Degenerative Disc Disease5▲ 84×2 topics
  7. Revision Surgery4▲ 53×2 topics
  8. Surgical Treatment4▲ 34×4 topics
  9. Total Hip Replacement4▲ 53×2 topics
  10. Low Back Pain3▲ 33×3 topics
  11. Clinical Outcomes3▲ 25×4 topics
  12. Scoliosis3▲ 176×1 topic
  13. Spinal Deformity3▲ 176×1 topic
  14. Mortality3▲ 9.1×7 topics
  15. Intervertebral Disc3▲ 76×1 topic
  16. Lumbar Disc Degeneration3▲ 76×1 topic
  17. Spinal Surgery3▲ 66×2 topics
  18. Shoulder Function3▲ 55×2 topics
  19. Arthroplasty3▲ 48×2 topics
  20. Patient Satisfaction3▲ 15×3 topics
  21. Health-related Quality of Life2▲ 18×3 topics
  22. Surgical Management2▲ 10×10 topics
  23. Dysphagia2▲ 65×2 topics
  24. Outcomes2▲ 50×1 topic
  25. Total Knee Replacement2▲ 60×1 topic
  26. Internal Fixation2▲ 50×2 topics
  27. Pedicle Screw Fixation2▲ 88×1 topic
  28. Rotator Cuff Tears2▲ 54×1 topic
  29. Shoulder Pathology2▲ 54×1 topic
  30. Vertebroplasty2▲ 88×1 topic
  31. Infection Prevention2▲ 36×3 topics
  32. Regeneration2▲ 16×4 topics
  33. Anterior Cervical Discectomy2▲ 103×1 topic
  34. Cervical Spine Surgery2▲ 103×1 topic
  35. Elderly Patients2▲ 16×3 topics
  36. Surgery2▲ 7.9×3 topics
  37. Hip Arthroplasty2▲ 44×1 topic
  38. Wear Particles2▲ 44×1 topic
  39. Bone Healing2▲ 55×1 topic
  40. Osteoarthritis2▲ 20×3 topics

Which research topics does Orthopaedic Hospital publish most on?

By volume in 2022-now: Scoliosis diagnosis and treatment, Spine and Intervertebral Disc Pathology, Total Knee Arthroplasty Outcomes and Shoulder Injury and Treatment.

Scoliosis diagnosis and …3Scoliosis diagnosis and treatment: 3 fractional worksSpine and Intervertebral…3Spine and Intervertebral Disc Pathology: 3 fractional worksTotal Knee Arthroplasty …2Total Knee Arthroplasty Outcomes: 2 fractional worksShoulder Injury and Trea…2Shoulder Injury and Treatment: 2 fractional worksSpinal Fractures and Fixation Techniques: 2 fractional worksCervical and Thoracic Myelopathy: 2 fractional worksOrthopaedic implants and…2Orthopaedic implants and arthroplasty: 2 fractional worksBone fractures and treat…2Bone fractures and treatments: 2 fractional worksHip and Femur Fractures2Hip and Femur Fractures: 2 fractional worksMedical Imaging and Anal…1Medical Imaging and Analysis: 1 fractional works
SurgeryPathology and Forensic MedicineEpidemiologyBiomedical Engineering

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

  1. 1 Scoliosis diagnosis and treatment Surgery 3 works
  2. 2 Spine and Intervertebral Disc Pathology Pathology and Forensic Medicine 3 works
  3. 3 Total Knee Arthroplasty Outcomes Surgery 2 works
  4. 4 Shoulder Injury and Treatment Surgery 2 works
  5. 5 Spinal Fractures and Fixation Techniques Surgery 2 works
  6. 6 Cervical and Thoracic Myelopathy Surgery 2 works
  7. 7 Orthopaedic implants and arthroplasty Surgery 2 works
  8. 8 Bone fractures and treatments Epidemiology 2 works
  9. 9 Hip and Femur Fractures Surgery 2 works
  10. 10 Medical Imaging and Analysis Biomedical Engineering 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 available32.4%not open67.6%

World: 40% of research is openly available.

with international co-authors29.5%domestic only70.5%

World: 18% is written across borders.

How has Orthopaedic Hospital's research output changed?

Output in 2022-2025 was 41% 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 Orthopaedic Hospital as a percentage of every work published that year, 0.00026% in 2024.

still counting0.0020%0.0040%0.0060%Orthopaedic Hospital0.00024% in 202519801990200020102020

Fractional works of Orthopaedic 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.

10%20%30%Orthopaedic Hospital14.4% in 2019all institutions10.0% in 201920002010

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 26.9% in 2012.

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Orthopaedic Hospital on Science Explorer

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