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Hospital / health system · Groningen · Netherlands

Martini Ziekenhuis

In research, Martini Ziekenhuis stands highest in Health Sciences (#5,766 of 11,982 worldwide) and Medicine (#5,414 of 10,443 worldwide), 2022–2025. Relative to its size it is most specialised in Surgery — Surgery is 10.0× its share of world research.

martiniziekenhuis.nlROR OpenAlex
World rank, 2022–2025
#15,545
of 28,054 · #14,163 all time
Rank in Netherlands
#139
of 237
Research works
1.3k
▼ 28% vs 2013–17
Citations
22k
18.0 per fractional work
Top-10% rate
17.9%
record average 16.5%
Open access
30%
world 28%

What is Martini Ziekenhuis 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
Health SciencesDomain #5,766 of 11,982 18.5%108 #4124
MedicineField #5,414 of 10,443 19.0%99 #3532

Each strip is that field’s whole ranked pool, with the notch where Martini Ziekenhuis 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 Martini Ziekenhuis specialise in?

Where its research is concentrated relative to its size: Surgery takes 10.0× the share of its output that it takes of world research.

  1. SurgerySubfield · 29.5 works10×
← 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: 0.01× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.69× its world share, 5 worksBiochemistry, Geneti…Immunology and Microbiology: 0.79× its world share, 1 worksImmunology and Micro…Neuroscience: 1.36× its world share, 3 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.23× its world share, 0 worksPharmacology, Toxico…Chemistry: 0.02× its world share, 0 worksChemistryComputer Science: 0.06× its world share, 1 worksComputer ScienceEarth and Planetary Sciences: 0.04× its world share, 0 worksEarth and Planetary …Energy: 0.14× its world share, 0 worksEnergyEngineering: 0.11× its world share, 2 worksEngineeringEnvironmental Science: 0.09× its world share, 1 worksEnvironmental ScienceMaterials Science: 0.03× its world share, 0 worksMaterials ScienceMathematics: 0.11× its world share, 0 worksMathematicsPhysics and Astronomy: 0.03× its world share, 0 worksPhysics and AstronomyDentistry: 6.39× its world share, 4 worksDentistryHealth Professions: 1.47× its world share, 5 worksHealth ProfessionsMedicine: 4.10× its world share, 99 worksMedicineNursing: 0.62× its world share, 0 worksNursingArts and Humanities: 0.17× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.03× its world share, 0 worksBusiness, Management…Decision Sciences: 0.38× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.18× its world share, 0 worksEconomics, Econometr…Psychology: 0.46× its world share, 2 worksPsychologySocial Sciences: 0.10× its world share, 2 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Dentistry, 6.4×. Every wedge is a field page.

Who are the top researchers at Martini Ziekenhuis?

Ranked on the composite score, Hans D. de Boer, Klaas Hoogenberg and Jacqueline E. van der Wal lead among researchers whose main affiliation is Martini Ziekenhuis.

  1. 1 Hans D. de Boer Netherlands · #192,246 worldwide 109 citations · 23 works
  2. 2 Klaas Hoogenberg Netherlands · #710,647 worldwide 33 citations · 24 works
  3. 3 Jacqueline E. van der Wal Netherlands · #997,499 worldwide 37 citations · 59 works
All ranked researchers at Martini Ziekenhuis

Which keywords describe research at Martini Ziekenhuis?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Complications, Revision Surgery, Total Hip Replacement, Patient Satisfaction, Health-related Quality of Life, Arthroplasty and Outcomes.

▲ 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. Epidemiology24▲ 4.9×76 topics
  2. Complications10▲ 16×13 topics
  3. Revision Surgery9▲ 60×2 topics
  4. Total Hip Replacement9▲ 60×2 topics
  5. Patient Satisfaction8▲ 19×7 topics
  6. Quality of Life8▲ 4.1×28 topics
  7. Health-related Quality of Life7▲ 25×5 topics
  8. Arthroplasty7▲ 61×2 topics
  9. Inflammation7▲ 2.8×25 topics
  10. Outcomes6▲ 64×1 topic
  11. Total Knee Replacement6▲ 78×1 topic
  12. Treatment6▲ 3.8×25 topics
  13. Risk Factors5▲ 3.8×19 topics
  14. Rehabilitation5▲ 10×9 topics
  15. Guidelines5▲ 8.5×11 topics
  16. Management5▲ 4.9×18 topics
  17. Diagnosis4▲ 3.8×22 topics
  18. Anterior Cruciate Ligament4▲ 72×1 topic
  19. Injury Risk4▲ 72×1 topic
  20. Chemotherapy3▲ 3.9×17 topics
  21. Mortality3▲ 4.6×10 topics
  22. Biomechanics3▲ 8.6×7 topics
  23. Pathophysiology3▲ 8.3×7 topics
  24. Regeneration3▲ 13×3 topics
  25. Hip Arthroplasty3▲ 39×1 topic
  26. Wear Particles3▲ 39×1 topic
  27. Global Burden3▲ 4.4×10 topics
  28. Surgical Management3▲ 5.5×11 topics
  29. Prevention3▲ 5.1×9 topics
  30. Prognosis2▲ 6.0×6 topics
  31. Sepsis2▲ 12×5 topics
  32. Clinical Guidelines2▲ 6.7×8 topics
  33. Matrix Metalloproteinases2▲ 13×2 topics
  34. Osteoarthritis2▲ 15×3 topics
  35. Stroke Prevention2▲ 16×2 topics
  36. Catheter Ablation2▲ 14×2 topics
  37. Distal Radius Fractures2▲ 32×1 topic
  38. Flexor Tendon Repair2▲ 32×1 topic
  39. Hypertrophy2▲ 26×2 topics
  40. Infection Prevention2▲ 19×3 topics

Which research topics does Martini Ziekenhuis publish most on?

By volume in 2022–2025: Total Knee Arthroplasty Outcomes, Knee injuries and reconstruction techniques, Orthopaedic implants and arthroplasty and Orthopedic Surgery and Rehabilitation.

Total Knee Arthroplasty …6Total Knee Arthroplasty Outcomes: 6 fractional worksKnee injuries and reconstruction techniques: 4 fractional worksOrthopaedic implants and arthroplasty: 3 fractional worksOrthopedic Surgery and Rehabilitation: 2 fractional worksOsteoarthritis Treatment and Mechanisms: 2 fractional worksAtrial Fibrillation Mana…2Atrial Fibrillation Management and Outcomes: 2 fractional worksCardiac, Anesthesia and Surgical Outcomes: 1 fractional worksOrthopedic Infections and Treatments: 1 fractional worksPeripheral Nerve Disorders: 1 fractional worksBurn Injury Management and Outcomes: 1 fractional works
SurgeryRheumatologyCardiology and Cardiovascular MedicineRadiology, Nuclear Medicine and Imaging1 others

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

  1. 1 Total Knee Arthroplasty Outcomes Surgery 6 works
  2. 2 Knee injuries and reconstruction techniques Surgery 4 works
  3. 3 Orthopaedic implants and arthroplasty Surgery 3 works
  4. 4 Orthopedic Surgery and Rehabilitation Surgery 2 works
  5. 5 Osteoarthritis Treatment and Mechanisms Rheumatology 2 works
  6. 6 Atrial Fibrillation Management and Outcomes Cardiology and Cardiovascular Medicine 2 works
  7. 7 Cardiac, Anesthesia and Surgical Outcomes Cardiology and Cardiovascular Medicine 1 works
  8. 8 Orthopedic Infections and Treatments Surgery 1 works
  9. 9 Peripheral Nerve Disorders Radiology, Nuclear Medicine and Imaging 1 works
  10. 10 Burn Injury Management and Outcomes 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 available30.4%not open69.6%

World: 28% of research is openly available.

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

World: 19% is written across borders.

How has Martini Ziekenhuis's research output changed?

Output in 2018–2022 was 28% 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 Groningen

All research institutions in Groningen

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.