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Hospital / health system · Athens · Greece

KAT General Hospital of Attica

In research, KAT General Hospital of Attica stands highest in Medicine (#3,916 of 10,443 worldwide), Health Sciences (#4,867 of 11,982 worldwide) and Surgery (#1,518 of 1,816 worldwide), 2022–2025. Relative to its size it is most specialised in Surgery — Surgery is 10.9× its share of world research.

kat-hosp.grROR OpenAlex
World rank, 2022–2025
#13,541
of 28,054 · #14,419 all time
Rank in Greece
#66
of 124
Research works
1.7k
◆ 1% vs 2013–17
Citations
27k
16.1 per fractional work
Top-10% rate
10.6%
record average 16.5%
Open access
43%
world 28%

What is KAT General Hospital of Attica known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
MedicineField #3,916 of 10,443 9.4%244 #3117
Health SciencesDomain #4,867 of 11,982 9.6%257 #4004
SurgerySubfield #1,518 of 1,816 6.9%80 #2218

Each strip is that field’s whole ranked pool, with the notch where KAT General Hospital of Attica 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).

Which of those standings moved

The same fields on both windows: where it stood over the whole record, and where it stands in 2022–2025. The distance is the story, and it is the one thing the two rank columns above cannot show.

  1. Medicine#3,117 #3,916
  2. Health Sciences#4,004 #4,867
  3. Surgery#2,218 #1,518
all time2022–2025, better2022–2025, worse

A dot further right is a better standing. Fields it was not ranked in over the whole record are left out.

What does KAT General Hospital of Attica specialise in?

Where its research is concentrated relative to its size: Surgery takes 10.9× the share of its output that it takes of world research.

  1. SurgerySubfield · 79.9 works11×
← 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: 0.03× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.94× its world share, 16 worksBiochemistry, Geneti…Immunology and Microbiology: 0.80× its world share, 2 worksImmunology and Micro…Neuroscience: 1.06× its world share, 5 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.30× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 0.06× its world share, 0 worksChemical EngineeringChemistry: 0.01× its world share, 0 worksChemistryComputer Science: 0.05× its world share, 1 worksComputer ScienceEarth and Planetary Sciences: 0.14× its world share, 1 worksEarth and Planetary …Engineering: 0.14× its world share, 6 worksEngineeringEnvironmental Science: 0.20× its world share, 3 worksEnvironmental ScienceMathematics: 0.04× its world share, 0 worksMathematicsPhysics and Astronomy: 0.08× its world share, 1 worksPhysics and AstronomyDentistry: 2.13× its world share, 3 worksDentistryHealth Professions: 0.97× its world share, 8 worksHealth ProfessionsMedicine: 4.06× its world share, 244 worksMedicineNursing: 0.74× its world share, 1 worksNursingVeterinary: 0.72× its world share, 0 worksVeterinaryArts and Humanities: 0.09× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.09× its world share, 1 worksBusiness, Management…Decision Sciences: 0.14× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.26× its world share, 2 worksEconomics, Econometr…Psychology: 1.14× its world share, 11 worksPsychologySocial Sciences: 0.12× its world share, 5 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 4.1×. Every wedge is a field page.

Who are the top researchers at KAT General Hospital of Attica?

Ranked on the composite score, Nicholas Zachariades lead among researchers whose main affiliation is KAT General Hospital of Attica.

  1. 1 Nicholas Zachariades Greece · #377,234 worldwide 53 citations · 29 works
All ranked researchers at KAT General Hospital of Attica

Which keywords describe research at KAT General Hospital of Attica?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Complications, Surgical Management, Biomechanics, Rehabilitation, Mortality, Inflammation and Revision Surgery.

▲ 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 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. Epidemiology46▲ 3.7×88 topics
  2. Complications23▲ 15×16 topics
  3. Inflammation21▲ 3.2×53 topics
  4. Surgical Management18▲ 14×17 topics
  5. Biomechanics15▲ 16×6 topics
  6. Rehabilitation15▲ 12×9 topics
  7. Mortality14▲ 7.7×11 topics
  8. Quality of Life13▲ 3.0×31 topics
  9. Risk Factors12▲ 3.6×29 topics
  10. Treatment12▲ 3.2×36 topics
  11. Revision Surgery11▲ 28×2 topics
  12. Total Hip Replacement11▲ 28×2 topics
  13. Cardiovascular Disease10▲ 2.7×25 topics
  14. Internal Fixation9▲ 44×2 topics
  15. Shoulder Function9▲ 33×2 topics
  16. Diagnosis9▲ 3.0×28 topics
  17. Surgical Treatment8▲ 14×6 topics
  18. Arthroplasty8▲ 28×2 topics
  19. Surgery8▲ 7.5×10 topics
  20. Management8▲ 3.3×21 topics
  21. Infection Prevention8▲ 28×3 topics
  22. Functional Recovery7▲ 16×3 topics
  23. Clinical Practice Guidelines7▲ 4.2×13 topics
  24. Distal Radius Fractures7▲ 42×1 topic
  25. Flexor Tendon Repair7▲ 42×1 topic
  26. Patient Satisfaction7▲ 7.2×7 topics
  27. Diagnostic Imaging7▲ 19×4 topics
  28. Bone Healing6▲ 46×1 topic
  29. Fracture Epidemiology6▲ 46×1 topic
  30. Pathophysiology6▲ 6.7×9 topics
  31. Health-related Quality of Life6▲ 8.1×3 topics
  32. Hip Arthroplasty6▲ 32×1 topic
  33. Wear Particles6▲ 32×1 topic
  34. Outcomes6▲ 23×2 topics
  35. Pain Management6▲ 7.8×8 topics
  36. Chronic Pain6▲ 8.1×5 topics
  37. Alignment5▲ 26×1 topic
  38. Total Knee Replacement5▲ 26×1 topic
  39. Reconstruction5▲ 9.5×4 topics
  40. Postoperative Complications5▲ 13×4 topics

Which research topics does KAT General Hospital of Attica publish most on?

By volume in 2022–2025: Orthopedic Surgery and Rehabilitation, Bone fractures and treatments, Orthopaedic implants and arthroplasty and Total Knee Arthroplasty Outcomes.

Orthopedic Surgery and R…7Orthopedic Surgery and Rehabilitation: 7 fractional worksBone fractures and treat…6Bone fractures and treatments: 6 fractional worksOrthopaedic implants and…6Orthopaedic implants and arthroplasty: 6 fractional worksTotal Knee Arthroplasty …5Total Knee Arthroplasty Outcomes: 5 fractional worksShoulder Injury and Treatment: 5 fractional worksNerve Injury and Rehabilitation: 4 fractional worksHip and Femur Fractures4Hip and Femur Fractures: 4 fractional worksOrthopedic Infections and Treatments: 4 fractional worksPeripheral Nerve Disorders: 4 fractional worksSpinal Fractures and Fix…3Spinal Fractures and Fixation Techniques: 3 fractional works
SurgeryEpidemiologyRadiology, Nuclear Medicine and Imaging

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

  1. 1 Orthopedic Surgery and Rehabilitation Surgery 7 works
  2. 2 Bone fractures and treatments Epidemiology 6 works
  3. 3 Orthopaedic implants and arthroplasty Surgery 6 works
  4. 4 Total Knee Arthroplasty Outcomes Surgery 5 works
  5. 5 Shoulder Injury and Treatment Surgery 5 works
  6. 6 Nerve Injury and Rehabilitation Surgery 4 works
  7. 7 Hip and Femur Fractures Surgery 4 works
  8. 8 Orthopedic Infections and Treatments Surgery 4 works
  9. 9 Peripheral Nerve Disorders Radiology, Nuclear Medicine and Imaging 4 works
  10. 10 Spinal Fractures and Fixation Techniques Surgery 3 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 available42.6%not open57.4%

World: 28% of research is openly available.

with international co-authors15.2%domestic only84.8%

World: 19% is written across borders.

How has KAT General Hospital of Attica's research output changed?

Output in 2018–2022 was 1% lower 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 Athens

All research institutions in Athens

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.