Science Explorer Interactive view Map
Hospital / health system · Athens · Greece

Agia Olga Hospital

In research, Agia Olga Hospital stands highest in Medicine (#8,675 of 10,443 worldwide) and Health Sciences (#10,475 of 11,982 worldwide), 2022–2025.

konstantopouleio.gov.grROR OpenAlex
World rank, 2022–2025
#24,633
of 28,054 · #28,338 all time
Rank in Greece
#115
of 124
Research works
559
▲ 16% vs 2013–17
Citations
11k
19.6 per fractional work
Top-10% rate
14.9%
record average 16.5%
Open access
39%
world 28%

What is Agia Olga Hospital 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 #8,675 of 10,443 14.2%64 #11076
Health SciencesDomain #10,475 of 11,982 14.2%66 #13409

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

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: 0.04× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.04× its world share, 4 worksBiochemistry, Geneti…Immunology and Microbiology: 0.44× its world share, 0 worksImmunology and Micro…Neuroscience: 0.39× its world share, 0 worksNeuroscienceComputer Science: 0.06× its world share, 0 worksComputer ScienceEngineering: 0.10× its world share, 1 worksEngineeringMathematics: 0.08× its world share, 0 worksMathematicsHealth Professions: 0.50× its world share, 1 worksHealth ProfessionsMedicine: 4.42× its world share, 64 worksMedicineNursing: 1.77× its world share, 1 worksNursingBusiness, Management and Accounting: 0.14× its world share, 0 worksBusiness, Management…Decision Sciences: 1.38× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.19× its world share, 0 worksEconomics, Econometr…Psychology: 0.07× its world share, 0 worksPsychologySocial Sciences: 0.12× 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, 4.4×. Every wedge is a field page.

Who are the top researchers at Agia Olga Hospital?

Ranked on the composite score, Christos Dervenis, Νικόλαος Νικολάου and Virginia Tsapaki lead among researchers whose main affiliation is Agia Olga Hospital.

  1. 1 Christos Dervenis Greece · #31,939 worldwide 1.1k citations · 33 works
  2. 2 Νικόλαος Νικολάου Greece · #257,136 worldwide 134 citations · 25 works
  3. 3 Virginia Tsapaki Greece · #675,364 worldwide 31 citations · 20 works
All ranked researchers at Agia Olga Hospital

Which keywords describe research at Agia Olga Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Guidelines, Risk Factors, Chemotherapy, Mortality, Neoadjuvant Therapy, Pathogenesis and Virulence Factors.

▲ 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. Epidemiology14▲ 4.8×37 topics
  2. Guidelines6▲ 17×10 topics
  3. Risk Factors6▲ 6.6×14 topics
  4. Chemotherapy4▲ 8.5×9 topics
  5. Mortality4▲ 10×7 topics
  6. Neoadjuvant Therapy4▲ 24×5 topics
  7. Inflammation4▲ 2.7×24 topics
  8. Pathogenesis4▲ 11×6 topics
  9. Virulence Factors4▲ 35×4 topics
  10. Immunotherapy4▲ 6.8×4 topics
  11. Prevention4▲ 12×5 topics
  12. Treatment4▲ 4.1×15 topics
  13. Cardiovascular Disease4▲ 4.3×18 topics
  14. Clinical Practice Guidelines4▲ 8.7×9 topics
  15. Necrotizing Fasciitis3▲ 135×1 topic
  16. Streptococcus Pyogenes3▲ 135×1 topic
  17. Tumor Microenvironment3▲ 9.4×4 topics
  18. Surgical Management3▲ 9.3×11 topics
  19. Cholangiocarcinoma3▲ 47×2 topics
  20. Cancer3▲ 2.6×9 topics
  21. Pancreatic Cancer3▲ 33×1 topic
  22. Surgical Complications3▲ 44×1 topic
  23. Cholecystitis3▲ 81×1 topic
  24. Colorectal Cancer3▲ 43×2 topics
  25. ERCP3▲ 81×1 topic
  26. Screening3▲ 37×2 topics
  27. Complications2▲ 6.6×9 topics
  28. Colonoscopy2▲ 75×1 topic
  29. Management2▲ 4.0×12 topics
  30. Polyps2▲ 75×1 topic
  31. Molecular Characterization2▲ 16×4 topics
  32. Genetic Mutations2▲ 6.3×8 topics
  33. Survival Analysis2▲ 10×5 topics
  34. Surgery2▲ 7.3×5 topics
  35. Heart Failure2▲ 5.7×10 topics
  36. Clinical Guidelines2▲ 7.7×7 topics
  37. Children2▲ 9.2×4 topics
  38. Endoscopic Resection2▲ 22×2 topics
  39. Myocardial Infarction2▲ 8.9×3 topics
  40. Gastric Cancer2▲ 18×3 topics

Which research topics does Agia Olga Hospital publish most on?

By volume in 2022–2025: Streptococcal Infections and Treatments, Pancreatic and Hepatic Oncology Research, Gallbladder and Bile Duct Disorders and Colorectal Cancer Screening and Detection.

Streptococcal Infections and Treatments: 3 fractional worksPancreatic and Hepatic Oncology Research: 3 fractional worksGallbladder and Bile Duc…3Gallbladder and Bile Duct Disorders: 3 fractional worksColorectal Cancer Screen…2Colorectal Cancer Screening and Detection: 2 fractional worksGastrointestinal Bleeding Diagnosis and Treatment: 1 fractional worksPancreatitis Pathology and Treatment: 1 fractional worksShoulder Injury and Trea…1Shoulder Injury and Treatment: 1 fractional worksEsophageal and GI Pathology: 1 fractional worksComplex Systems and Decision Making: 1 fractional worksChronic Disease Management Strategies: 1 fractional works
Public Health, Environmental and Occupational HealthOncologyPulmonary and Respiratory MedicineGastroenterology3 others

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

  1. 1 Streptococcal Infections and Treatments Public Health, Environmental and Occupational Health 3 works
  2. 2 Pancreatic and Hepatic Oncology Research Oncology 3 works
  3. 3 Gallbladder and Bile Duct Disorders Pulmonary and Respiratory Medicine 3 works
  4. 4 Colorectal Cancer Screening and Detection Oncology 2 works
  5. 5 Gastrointestinal Bleeding Diagnosis and Treatment Gastroenterology 1 works
  6. 6 Pancreatitis Pathology and Treatment Surgery 1 works
  7. 7 Shoulder Injury and Treatment Surgery 1 works
  8. 8 Esophageal and GI Pathology Surgery 1 works
  9. 9 Complex Systems and Decision Making Management Science and Operations Research 1 works
  10. 10 Chronic Disease Management Strategies 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 available39.4%not open60.6%

World: 28% of research is openly available.

with international co-authors16.8%domestic only83.2%

World: 19% is written across borders.

How has Agia Olga Hospital's research output changed?

Output in 2018–2022 was 16% 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 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.