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Hospital / health system · Bangkok · Thailand

Lerdsin Hospital

In research, Lerdsin Hospital stands highest in Health Sciences (#8,451 of 16,688 worldwide) and Medicine (#7,953 of 14,558 worldwide), over all time. Relative to its size it is most specialised in Medicine and Health Sciences (Medicine is 4.2× its share of world research).

lerdsin.go.thROR OpenAlex
World rank, all time
#31,512
of 34,923
Rank in Thailand
#163
of 177
Research works
184
▼ 2% vs 2018-21
Citations
3.4k
18.6 per fractional work
Top-10% rate
7.3%
all institutions 10.0%
vs its own fields
0.98×
1.00× is exactly expected
Open access
42%
world 40%
International
14%
world 18%
Lerdsin Hospital

What is Lerdsin 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 #8,451 of 16,688 7.9%161
MedicineField #7,953 of 14,558 7.9%154

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

In 2022-now, 84% of research at Lerdsin Hospital is in Health Sciences, 9% in Life Sciences. Its largest fields are Medicine (81%), Biochemistry, Genetics and Molecular Biology (7%), Engineering (3%). It does 3.0× the world's share of Health Sciences.

Health Sciences: 34 fractional works · 83.6% of its workMedicine: 33 fractional works · 81.2% of its workSurgery: 15 fractional works · 37.6% of its workEpidemiology: 4 fractional works · 9.2% of its workPathology and Forensic Medicine: 2 fractional works · 5.6% of its workRadiology, Nuclear Medicine and Imaging: 2 fractional works · 3.8% of its workPulmonary and Respiratory Medicine: 1 fractional works · 2.6% of its workInfectious Diseases: 1 fractional works · 2.5% of its workCardiology and Cardiovascular Medicine: 1 fractional works · 2.3% of its workPhysiology: 1 fractional works · 2.0% of its workPharmacology: 1 fractional works · 1.7% of its workRehabilitation: 1 fractional works · 1.6% of its workRheumatology: 0 fractional works · 1.2% of its workOncology: 0 fractional works · 1.1% of its workNephrology: 0 fractional works · 1.0% of its workOtorhinolaryngology: 0 fractional works · 1.0% of its workEndocrinology, Diabetes and Metabolism: 0 fractional works · 1.0% of its workNeurology: 0 fractional works · 0.8% of its workPublic Health, Environmental and Occupational Health: 0 fractional works · 0.8% of its workHematology: 0 fractional works · 0.7% of its workObstetrics and Gynecology: 0 fractional works · 0.6% of its workOrthopedics and Sports Medicine: 0 fractional works · 0.6% of its workCritical Care and Intensive Care Medicine: 0 fractional works · 0.4% of its workBiochemistry: 0 fractional works · 0.4% of its workEmergency Medicine: 0 fractional works · 0.4% of its workUrology: 0 fractional works · 0.4% of its workGeriatrics and Gerontology: 0 fractional works · 0.4% of its workPsychiatry and Mental health: 0 fractional works · 0.3% of its workHepatology: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.6% of its workHealth Professions: 1 fractional works · 2.0% of its workMedical Laboratory Technology: 0 fractional works · 0.6% of its workRadiological and Ultrasound Technology: 0 fractional works · 0.4% of its workEmergency Medical Services: 0 fractional works · 0.3% of its workHealth Information Management: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.3% of its workNursing: 0 fractional works · 0.4% of its workNutrition and Dietetics: 0 fractional works · 0.4% of its workLife Sciences: 3 fractional works · 8.5% of its workBiochemistry, Genetics and Molecular Biology: 3 fractional works · 6.6% of its workDevelopmental Biology: 1 fractional works · 1.6% of its workGenetics: 1 fractional works · 1.4% of its workMolecular Biology: 1 fractional works · 1.3% of its workCell Biology: 0 fractional works · 0.8% of its workCancer Research: 0 fractional works · 0.5% of its workMolecular Medicine: 0 fractional works · 0.4% of its workClinical Biochemistry: 0 fractional works · 0.3% of its workBiotechnology: 0 fractional works · 0.2% of its workNeuroscience: 1 fractional works · 1.4% of its workNeurology: 0 fractional works · 1.0% of its workCellular and Molecular Neuroscience: 0 fractional works · 0.4% of its workImmunology and Microbiology: 0 fractional works · 0.4% of its workApplied Microbiology and Biotechnology: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.2% of its workPhysical Sciences: 2 fractional works · 5.4% of its workEngineering: 1 fractional works · 3.0% of its workBiomedical Engineering: 1 fractional works · 2.4% of its workSafety, Risk, Reliability and Quality: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.1% of its workComputer Science: 1 fractional works · 1.5% of its workArtificial Intelligence: 0 fractional works · 1.1% of its workComputer Vision and Pattern Recognition: 0 fractional works · 0.4% of its workMathematics: 0 fractional works · 0.6% of its workModeling and Simulation: 0 fractional works · 0.6% of its workEnvironmental Science: 0 fractional works · 0.1% of its workMaterials Science: 0 fractional works · 0.1% of its workSocial Sciences: 1 fractional works · 2.5% of its workPsychology: 1 fractional works · 1.3% of its workSocial Psychology: 0 fractional works · 1.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEconomics, Econometrics and Finance: 0 fractional works · 0.9% of its workEconomics and Econometrics: 0 fractional works · 0.9% of its workSocial Sciences: 0 fractional works · 0.3% of its workALL ITS WORKLerdsin Hospital40fractional works, 2022-now
Life Sciences9%Physical Sciences5%Health Sciences84%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 15 fields, with their numbers
    1. Medicine3381.2%
    2. Health Professions12.0%
    3. Nursing00.4%
    1. Biochemistry, Genetics and Molecular Biology36.6%
    2. Neuroscience11.4%
    3. Immunology and Microbiology00.4%
    4. Pharmacology, Toxicology and Pharmaceutics00.2%
    1. Engineering13.0%
    2. Computer Science11.5%
    3. Mathematics00.6%
    4. Environmental Science00.1%
    5. Materials Science00.1%
    1. Psychology11.3%
    2. Economics, Econometrics and Finance00.9%
    3. Social Sciences00.3%
All of science, and how each field's share has moved since 1950: the Science domain explorer

What does Lerdsin Hospital specialise in?

Where its research is concentrated relative to its size: Medicine takes 4.2× the share of its output that it takes of world research.

  1. MedicineField · 32.6 works4.2×
  2. Health SciencesDomain · 33.6 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.

Biochemistry, Genetics and Molecular Biology: 1.24× its world share, 3 worksBiochemistry, Geneti…Immunology and Microbiology: 0.38× its world share, 0 worksImmunology and Micro…Neuroscience: 0.86× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.47× its world share, 0 worksPharmacology, Toxico…Computer Science: 0.20× its world share, 1 worksComputer ScienceEngineering: 0.20× its world share, 1 worksEngineeringEnvironmental Science: 0.03× its world share, 0 worksEnvironmental ScienceMaterials Science: 0.04× its world share, 0 worksMaterials ScienceMathematics: 0.53× its world share, 0 worksMathematicsHealth Professions: 0.74× its world share, 1 worksHealth ProfessionsMedicine: 4.22× its world share, 33 worksMedicineNursing: 0.85× its world share, 0 worksNursingEconomics, Econometrics and Finance: 0.42× its world share, 0 worksEconomics, Econometr…Psychology: 0.44× its world share, 0 worksPsychologySocial Sciences: 0.02× its world share, 0 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 4.2×. Every wedge is a field page.

All 15 fields, with their numbers
  1. Medicine4.22×33 works
  2. Biochemistry, Genetics and Molecular Biology1.24×3 works
  3. Neuroscience0.86×1 works
  4. Nursing0.85×0 works
  5. Health Professions0.74×1 works
  6. Mathematics0.53×0 works
  7. Pharmacology, Toxicology and Pharmaceutics0.47×0 works
  8. Psychology0.44×0 works
  9. Economics, Econometrics and Finance0.42×0 works
  10. Immunology and Microbiology0.38×0 works
  11. Computer Science0.20×1 works
  12. Engineering0.20×1 works
  13. Materials Science0.04×0 works
  14. Environmental Science0.03×0 works
  15. Social Sciences0.02×0 works

Who are the top researchers at Lerdsin Hospital?

Ranked on the quality score, Kiat Witoonchart, Somsak Leechavengvongs and Chaiwat Piyaskulkaew lead among researchers whose main affiliation is Lerdsin Hospital.

  1. 1 Kiat Witoonchart Thailand · #1,173,417 worldwide 1.7k citations · 24 works
  2. 2 Somsak Leechavengvongs Thailand · #1,513,618 worldwide 2.6k citations · 42 works
  3. 3 Chaiwat Piyaskulkaew Thailand · #1,837,100 worldwide 1k citations · 25 works
  4. 4 Chairoj Uerpairojkit Thailand · #1,907,295 worldwide 1.6k citations · 34 works
  5. 5 Monchai Siribamrungwong Thailand · #2,161,612 worldwide 508 citations · 17 works
  6. 6 Rachata Tungsiripat Thailand · #3,298,679 worldwide 311 citations · 15 works
  7. 7 Kanchai Malungpaishrope Thailand · #3,373,703 worldwide 617 citations · 27 works
  8. 8 Krissanapong Manotham Thailand · #3,804,439 worldwide 759 citations · 30 works
  9. 9 Thavat Prasartritha Thailand · #4,059,624 worldwide 303 citations · 25 works
  10. 10 Chittawee Jiamton Thailand · #4,211,409 worldwide 179 citations · 27 works
All ranked researchers at Lerdsin Hospital

What are the most cited papers from Lerdsin Hospital?

The most cited paper from Lerdsin Hospital is "Nerve transfer to deltoid muscle using the nerve to the long head of the triceps, part II: a report of 7 cases" (Somsak Leechavengvongs, Kiat Witoonchart, Chairoj Uerpairojkit et al., 2003), with 407 citations. Next come "Extracorporeal shock wave lithotripsy (ESWL) versus percutaneous nephrolithotomy (PCNL) or retrograde intrarenal surgery (RIRS) for kidney stones" (322) and "Clinical and Epidemiological Analyses of Human Pythiosis in Thailand" (256).

Most cited papers
#PaperReleasedCitations
1 Nerve transfer to deltoid muscle using the nerve to the long head of the triceps, part II: a report of 7 cases Somsak Leechavengvongs, Kiat Witoonchart, Chairoj Uerpairojkit et al. · The Journal Of Hand Surgery Jul 2003 407
2 Extracorporeal shock wave lithotripsy (ESWL) versus percutaneous nephrolithotomy (PCNL) or retrograde intrarenal surgery (RIRS) for kidney stones Attasit Srisubat, Somkiat Potisat, Bannakij Lojanapiwat et al. · Cochrane Database of Systematic Reviews 24 Nov 2014 322
3 Clinical and Epidemiological Analyses of Human Pythiosis in Thailand Theerapong Krajaejun et al. · Clinical Infectious Diseases 7 Aug 2006 256
4 Nerve transfer to biceps muscle using a part of the ulnar nerve in brachial plexus injury (upper arm type): A report of 32 cases Somsak Leechavengvongs, Kiat Witoonchart, Chairoj Uerpairojkit et al. · The Journal Of Hand Surgery Jul 1998 237
5 Combined Nerve Transfers for C5 and C6 Brachial Plexus Avulsion Injury Somsak Leechavengvongs, Kiat Witoonchart, Chairoj Uerpairojkit et al. · The Journal Of Hand Surgery Feb 2006 209
All 61 most cited papers, with filters and sorting

Which keywords describe research at Lerdsin Hospital?

By fractional works in 2022-now, weighted toward what it does more of than the world: Epidemiology, Spinal Fusion, Complications, Surgical Management, Degenerative Disc Disease, Biomechanics, Low Back Pain and Distal Radius Fractures.

▲ 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. Epidemiology6▲ 3.6×31 topics
  2. Spinal Fusion4▲ 96×2 topics
  3. Complications3▲ 17×6 topics
  4. Degenerative Disc Disease3▲ 75×2 topics
  5. Surgical Management3▲ 18×10 topics
  6. Biomechanics3▲ 23×3 topics
  7. Low Back Pain2▲ 36×2 topics
  8. Distal Radius Fractures2▲ 115×1 topic
  9. Flexor Tendon Repair2▲ 115×1 topic
  10. Surgical Treatment2▲ 30×2 topics
  11. Clinical Outcomes2▲ 27×2 topics
  12. Intervertebral Disc2▲ 80×1 topic
  13. Lumbar Disc Degeneration2▲ 80×1 topic
  14. Quality of Life2▲ 3.1×6 topics
  15. Shoulder Function2▲ 53×2 topics
  16. Rehabilitation2▲ 11×5 topics
  17. Internal Fixation2▲ 59×2 topics
  18. Scoliosis2▲ 130×1 topic
  19. Spinal Deformity2▲ 130×1 topic
  20. Deep Learning1◆ 1.04×7 topics
  21. Infection Prevention1▲ 38×2 topics
  22. Pedicle Screw Fixation1▲ 93×1 topic
  23. Vertebroplasty1▲ 93×1 topic
  24. Bone Healing1▲ 75×1 topic
  25. Diagnostic Imaging1▲ 30×2 topics
  26. Fracture Epidemiology1▲ 75×1 topic
  27. Inflammation1▲ 1.50×16 topics
  28. Machine Learning1◆ 0.99×5 topics
  29. Mortality1▲ 5.7×4 topics
  30. Revision Surgery1▲ 26×2 topics
  31. Surgery1▲ 9.0×3 topics
  32. Total Hip Replacement1▲ 26×2 topics
  33. Muscle Strength1▲ 27×2 topics
  34. Risk Factors1▲ 2.7×8 topics
  35. Brachial Plexus1▲ 122×1 topic
  36. Nerve Transfer1▲ 122×1 topic
  37. Carpal Tunnel Syndrome1▲ 122×1 topic
  38. Clinical Practice Guidelines1▲ 4.7×5 topics
  39. Elderly Patients1▲ 15×3 topics
  40. Electrodiagnostic Studies1▲ 122×1 topic

Which research topics does Lerdsin Hospital publish most on?

By volume in 2022-now: Orthopedic Surgery and Rehabilitation, Spine and Intervertebral Disc Pathology, Scoliosis diagnosis and treatment and Spinal Fractures and Fixation Techniques.

Orthopedic Surgery and Rehabilitation: 2 fractional worksSpine and Intervertebral Disc Pathology: 2 fractional worksScoliosis diagnosis and …2Scoliosis diagnosis and treatment: 2 fractional worksSpinal Fractures and Fix…1Spinal Fractures and Fixation Techniques: 1 fractional worksBone fractures and treatments: 1 fractional worksNerve Injury and Rehabilitation: 1 fractional worksPeripheral Nerve Disorders1Peripheral Nerve Disorders: 1 fractional worksHip and Femur Fractures: 1 fractional worksCervical and Thoracic Myelopathy: 1 fractional worksShoulder and Clavicle Injuries: 1 fractional works
SurgeryPathology and Forensic MedicineEpidemiologyRadiology, Nuclear Medicine and Imaging

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

  1. 1 Orthopedic Surgery and Rehabilitation Surgery 2 works
  2. 2 Spine and Intervertebral Disc Pathology Pathology and Forensic Medicine 2 works
  3. 3 Scoliosis diagnosis and treatment Surgery 2 works
  4. 4 Spinal Fractures and Fixation Techniques Surgery 1 works
  5. 5 Bone fractures and treatments Epidemiology 1 works
  6. 6 Nerve Injury and Rehabilitation Surgery 1 works
  7. 7 Peripheral Nerve Disorders Radiology, Nuclear Medicine and Imaging 1 works
  8. 8 Hip and Femur Fractures Surgery 1 works
  9. 9 Cervical and Thoracic Myelopathy Surgery 1 works
  10. 10 Shoulder and Clavicle Injuries Epidemiology 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 available42.1%not open57.9%

World: 40% of research is openly available.

with international co-authors13.7%domestic only86.3%

World: 18% is written across borders.

How has Lerdsin Hospital's research output changed?

Output in 2022-2025 was 2% 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 Lerdsin Hospital as a percentage of every work published that year, 0.00015% in 2024.

still counting0.00020%0.00040%0.00060%Lerdsin Hospital0.00017% in 202519801990200020102020

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

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Lerdsin Hospital on Science Explorer

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