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Hospital / health system · Roeselare · Belgium

AZ Delta

In research, AZ Delta stands highest in Medicine (#3,607 of 8,541 worldwide) and Health Sciences (#4,407 of 9,902 worldwide), 2022-now. Relative to its size it is most specialised in Surgery (Surgery is 8.2× its share of world research).

azdelta.beROR OpenAlex
World rank, 2022-now
#15,990
of 22,385 · #19,532 all time
Rank in Belgium
#66
of 105
Research works
317
▲ 54% vs 2018-21
Citations
2.9k
9.2 per fractional work
Top-10% rate
11.6%
all institutions 10.0%
vs its own fields
0.93×
1.00× is exactly expected
Open access
52%
world 40%
International
31%
world 18%
AZ Delta

What is AZ Delta known for in research?

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

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
MedicineField #3,607 of 8,541 12.0%116 #4409
Health SciencesDomain #4,407 of 9,902 11.8%120 #5319

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

In 2022-now, 81% of research at AZ Delta is in Health Sciences, 11% in Life Sciences. Its largest fields are Medicine (79%), Biochemistry, Genetics and Molecular Biology (6%), Health Professions (2%). It does 3.3× the world's share of Health Sciences.

Health Sciences: 136 fractional works · 81.2% of its workMedicine: 132 fractional works · 78.6% of its workSurgery: 32 fractional works · 19.3% of its workPulmonary and Respiratory Medicine: 14 fractional works · 8.5% of its workEpidemiology: 11 fractional works · 6.3% of its workOncology: 10 fractional works · 5.7% of its workCardiology and Cardiovascular Medicine: 6 fractional works · 3.4% of its workRadiology, Nuclear Medicine and Imaging: 5 fractional works · 2.8% of its workNeurology: 4 fractional works · 2.6% of its workRheumatology: 4 fractional works · 2.6% of its workInfectious Diseases: 4 fractional works · 2.5% of its workGenetics: 4 fractional works · 2.1% of its workPathology and Forensic Medicine: 4 fractional works · 2.1% of its workGastroenterology: 3 fractional works · 2.1% of its workPublic Health, Environmental and Occupational Health: 3 fractional works · 2.0% of its workHematology: 3 fractional works · 1.9% of its workAnesthesiology and Pain Medicine: 3 fractional works · 1.7% of its workNephrology: 2 fractional works · 1.5% of its workOrthopedics and Sports Medicine: 2 fractional works · 1.3% of its workPhysiology: 2 fractional works · 1.2% of its workPharmacology: 2 fractional works · 1.1% of its workRehabilitation: 1 fractional works · 0.9% of its workEndocrinology, Diabetes and Metabolism: 1 fractional works · 0.8% of its workPediatrics, Perinatology and Child Health: 1 fractional works · 0.7% of its workPsychiatry and Mental health: 1 fractional works · 0.7% of its workHepatology: 1 fractional works · 0.6% of its workObstetrics and Gynecology: 1 fractional works · 0.5% of its workReproductive Medicine: 1 fractional works · 0.5% of its workDermatology: 1 fractional works · 0.5% of its workCritical Care and Intensive Care Medicine: 1 fractional works · 0.4% of its workTransplantation: 1 fractional works · 0.3% of its workHealth Informatics: 1 fractional works · 0.3% of its workOphthalmology: 0 fractional works · 0.3% of its workBiochemistry: 0 fractional works · 0.3% of its workEmergency Medicine: 0 fractional works · 0.2% of its workInternal Medicine: 0 fractional works · 0.2% of its workOtorhinolaryngology: 0 fractional works · 0.2% of its workUrology: 0 fractional works · 0.2% of its workHealth Professions: 4 fractional works · 2.3% of its workGeneral Health Professions: 2 fractional works · 1.1% of its workEmergency Medical Services: 0 fractional works · 0.3% of its workRadiological and Ultrasound Technology: 0 fractional works · 0.2% of its workMedical Laboratory Technology: 0 fractional works · 0.2% of its workSpeech and Hearing: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workVeterinary: 0 fractional works · 0.2% of its workDentistry: 0 fractional works · 0.1% of its workNursing: 0 fractional works · 0.0% of its workLife Sciences: 18 fractional works · 11.0% of its workBiochemistry, Genetics and Molecular Biology: 11 fractional works · 6.4% of its workGenetics: 3 fractional works · 2.1% of its workMolecular Biology: 3 fractional works · 1.9% of its workCancer Research: 2 fractional works · 0.9% of its workCell Biology: 1 fractional works · 0.5% of its workClinical Biochemistry: 1 fractional works · 0.4% of its workDevelopmental Biology: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.3% of its workImmunology and Microbiology: 4 fractional works · 2.2% of its workImmunology: 3 fractional works · 1.9% of its workSmaller subfields together: 0 fractional works · 0.3% of its workNeuroscience: 3 fractional works · 2.1% of its workNeurology: 1 fractional works · 0.9% of its workCellular and Molecular Neuroscience: 1 fractional works · 0.7% of its workCognitive Neuroscience: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workAgricultural and Biological Sciences: 0 fractional works · 0.2% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.1% of its workPhysical Sciences: 8 fractional works · 5.0% of its workEngineering: 4 fractional works · 2.1% of its workBiomedical Engineering: 2 fractional works · 1.3% of its workOcean Engineering: 1 fractional works · 0.7% of its workSmaller subfields together: 0 fractional works · 0.1% of its workComputer Science: 3 fractional works · 1.7% of its workSignal Processing: 1 fractional works · 0.7% of its workArtificial Intelligence: 1 fractional works · 0.5% of its workComputational Theory and Mathematics: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workEnvironmental Science: 2 fractional works · 0.9% of its workManagement, Monitoring, Policy and Law: 1 fractional works · 0.3% of its workPollution: 0 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.3% of its workMaterials Science: 0 fractional works · 0.1% of its workEarth and Planetary Sciences: 0 fractional works · 0.1% of its workChemistry: 0 fractional works · 0.0% of its workMathematics: 0 fractional works · 0.0% of its workSocial Sciences: 5 fractional works · 2.9% of its workSocial Sciences: 2 fractional works · 1.0% of its workGeography, Planning and Development: 1 fractional works · 0.6% of its workSociology and Political Science: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workEconomics, Econometrics and Finance: 1 fractional works · 0.8% of its workEconomics and Econometrics: 1 fractional works · 0.8% of its workPsychology: 1 fractional works · 0.6% of its workExperimental and Cognitive Psychology: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.3% of its workBusiness, Management and Accounting: 1 fractional works · 0.3% of its workManagement of Technology and Innovation: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workArts and Humanities: 0 fractional works · 0.1% of its workALL ITS WORKAZ Delta168fractional works, 2022-now
Life Sciences11%Physical Sciences5%Health Sciences81%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 23 fields, with their numbers
    1. Medicine13278.6%
    2. Health Professions42.3%
    3. Veterinary00.2%
    4. Dentistry00.1%
    5. Nursing00.0%
    1. Biochemistry, Genetics and Molecular Biology116.4%
    2. Immunology and Microbiology42.2%
    3. Neuroscience32.1%
    4. Agricultural and Biological Sciences00.2%
    5. Pharmacology, Toxicology and Pharmaceutics00.1%
    1. Engineering42.1%
    2. Computer Science31.7%
    3. Environmental Science20.9%
    4. Materials Science00.1%
    5. Earth and Planetary Sciences00.1%
    6. Chemistry00.0%
    7. Mathematics00.0%
    8. Physics and Astronomy00.0%
    1. Social Sciences21.0%
    2. Economics, Econometrics and Finance10.8%
    3. Psychology10.6%
    4. Business, Management and Accounting10.3%
    5. Arts and Humanities00.1%
All of science, and how each field's share has moved since 1950: the Science domain explorer

What does AZ Delta specialise in?

Where its research is concentrated relative to its size: Surgery takes 8.2× the share of its output that it takes of world research.

  1. SurgerySubfield · 32.5 works8.2×
← 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: 0.05× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.20× its world share, 11 worksBiochemistry, Geneti…Immunology and Microbiology: 2.14× its world share, 4 worksImmunology and Micro…Neuroscience: 1.28× its world share, 4 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.33× its world share, 0 worksPharmacology, Toxico…Chemistry: 0.03× its world share, 0 worksChemistryComputer Science: 0.22× its world share, 3 worksComputer ScienceEarth and Planetary Sciences: 0.05× its world share, 0 worksEarth and Planetary …Engineering: 0.14× its world share, 4 worksEngineeringEnvironmental Science: 0.19× its world share, 2 worksEnvironmental ScienceMaterials Science: 0.03× its world share, 0 worksMaterials ScienceMathematics: 0.03× its world share, 0 worksMathematicsPhysics and Astronomy: 0.01× its world share, 0 worksPhysics and AstronomyDentistry: 0.17× its world share, 0 worksDentistryHealth Professions: 0.86× its world share, 4 worksHealth ProfessionsMedicine: 4.09× its world share, 132 worksMedicineNursing: 0.06× its world share, 0 worksNursingVeterinary: 1.38× its world share, 0 worksVeterinaryArts and Humanities: 0.04× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.10× its world share, 0 worksBusiness, Management…Economics, Econometrics and Finance: 0.39× its world share, 1 worksEconomics, Econometr…Psychology: 0.20× its world share, 1 worksPsychologySocial Sciences: 0.08× its world share, 2 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.

All 23 fields, with their numbers
  1. Medicine4.09×132 works
  2. Immunology and Microbiology2.14×4 works
  3. Veterinary1.38×0 works
  4. Neuroscience1.28×4 works
  5. Biochemistry, Genetics and Molecular Biology1.20×11 works
  6. Health Professions0.86×4 works
  7. Economics, Econometrics and Finance0.39×1 works
  8. Pharmacology, Toxicology and Pharmaceutics0.33×0 works
  9. Computer Science0.22×3 works
  10. Psychology0.20×1 works
  11. Environmental Science0.19×2 works
  12. Dentistry0.17×0 works
  13. Engineering0.14×4 works
  14. Business, Management and Accounting0.10×0 works
  15. Social Sciences0.08×2 works
  16. Nursing0.06×0 works
  17. Agricultural and Biological Sciences0.05×0 works
  18. Earth and Planetary Sciences0.05×0 works
  19. Arts and Humanities0.04×0 works
  20. Chemistry0.03×0 works
  21. Materials Science0.03×0 works
  22. Mathematics0.03×0 works
  23. Physics and Astronomy0.01×0 works

Who are the top researchers at AZ Delta?

Ranked on the quality score, Filip Baert, Ingel Demedts and Karl Dujardin lead among researchers whose main affiliation is AZ Delta.

  1. 1 Filip Baert Belgium · #89,779 worldwide 20k citations · 249 works
  2. 2 Ingel Demedts Belgium · #447,546 worldwide 4.1k citations · 105 works
  3. 3 Karl Dujardin Belgium · #497,355 worldwide 5.1k citations · 72 works
  4. 4 Piet Lormans Belgium · #529,908 worldwide 1.1k citations · 37 works
  5. 5 Philip Winnock de Grave Belgium · #613,505 worldwide 661 citations · 33 works
  6. 6 Geert Antoine Martens Belgium · #935,143 worldwide 4.5k citations · 146 works
  7. 7 Willem‐Jan Acou Belgium · #1,186,881 worldwide 704 citations · 18 works
  8. 8 Filip Roelens Belgium · #1,196,535 worldwide 2.3k citations · 49 works
  9. 9 Filip J. Baert Belgium · #1,329,375 worldwide 1.4k citations · 107 works
  10. 10 Michel De Ceuninck Belgium · #1,433,638 worldwide 618 citations · 22 works
All ranked researchers at AZ Delta

What are the most cited papers from AZ Delta?

The most cited paper from AZ Delta is "Effect of tight control management on Crohn's disease (CALM): a multicentre, randomised, controlled phase 3 trial" (Jean‐Frédéric Colombel et al., 2017), with 931 citations. Next come "Risankizumab as induction therapy for Crohn's disease: results from the phase 3 ADVANCE and MOTIVATE induction trials" (424) and "Epidemiology of invasive aspergillosis in critically ill patients: clinical presentation, underlying conditions, and outcomes" (419).

Most cited papers
#PaperReleasedCitations
1 Effect of tight control management on Crohn's disease (CALM): a multicentre, randomised, controlled phase 3 trial Jean‐Frédéric Colombel et al. · The Lancet 30 Oct 2017 931
2 Risankizumab as induction therapy for Crohn's disease: results from the phase 3 ADVANCE and MOTIVATE induction trials Geert D’Haens et al. · The Lancet Open access May 2022 424
3 Epidemiology of invasive aspergillosis in critically ill patients: clinical presentation, underlying conditions, and outcomes Fabio Silvio Taccone, Anne‐Marie Van den Abeele, Pierre Bulpa et al. · Critical Care Open access 9 Jan 2015 419
4 Targeted-release budesonide versus placebo in patients with IgA nephropathy (NEFIGAN): a double-blind, randomised, placebo-controlled phase 2b trial Bengt Fellström, Jonathan Barratt, H. Terence Cook et al. · The Lancet Open access 28 Mar 2017 414
5 A Multicenter Randomized Controlled Trial of Zephyr Endobronchial Valve Treatment in Heterogeneous Emphysema (TRANSFORM) Samuel V. Kemp et al. · American Journal of Respiratory and Critical Care Medicine Open access 8 Sep 2017 398
All 60 most cited papers, with filters and sorting

Which keywords describe research at AZ Delta?

By fractional works in 2022-now, weighted toward what it does more of than the world: Epidemiology, Surgical Management, Chemotherapy, Treatment, Complications, Clinical Practice Guidelines, Prognostic Factors and Inflammatory Bowel Disease.

▲ 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. Epidemiology26▲ 4.0×71 topics
  2. Treatment10▲ 4.7×26 topics
  3. Chemotherapy9▲ 7.5×17 topics
  4. Surgical Management9▲ 13×10 topics
  5. Complications7▲ 8.0×12 topics
  6. Clinical Practice Guidelines6▲ 6.5×9 topics
  7. Diagnosis6▲ 3.7×25 topics
  8. Quality of Life6▲ 2.3×21 topics
  9. Immunotherapy5▲ 4.4×15 topics
  10. Prognostic Factors5▲ 7.0×10 topics
  11. Risk Factors5▲ 2.7×17 topics
  12. Inflammatory Bowel Disease5▲ 24×4 topics
  13. Endoscopic Resection5▲ 28×2 topics
  14. Management5▲ 3.5×18 topics
  15. Neoadjuvant Therapy5▲ 11×5 topics
  16. Guidelines4▲ 5.7×10 topics
  17. Pathogenesis4▲ 5.1×10 topics
  18. Genetics4▲ 3.6×10 topics
  19. Revision Surgery4▲ 20×2 topics
  20. Total Hip Replacement4▲ 20×2 topics
  21. Molecular Characterization4▲ 14×4 topics
  22. Adjuvant Therapy4▲ 18×2 topics
  23. Treatment Guidelines4▲ 11×5 topics
  24. Health-related Quality of Life4▲ 8.8×4 topics
  25. Patient Satisfaction4▲ 6.7×5 topics
  26. Distal Radius Fractures3▲ 40×1 topic
  27. Flexor Tendon Repair3▲ 40×1 topic
  28. Survival Analysis3▲ 7.4×4 topics
  29. Gastric Cancer3▲ 18×2 topics
  30. Sudden Death3▲ 46×2 topics
  31. Fistulas3▲ 55×2 topics
  32. Immunology3▲ 17×2 topics
  33. Lymph Node Dissection3▲ 33×1 topic
  34. Neoadjuvant Chemotherapy3▲ 23×1 topic
  35. Neuropathic Pain3▲ 26×3 topics
  36. Pain Management3▲ 7.9×6 topics
  37. Arthroplasty3▲ 18×2 topics
  38. Congenital3▲ 110×1 topic
  39. Coronary Artery Anomalies3▲ 110×1 topic
  40. Crohn's Disease3▲ 23×2 topics

Which research topics does AZ Delta publish most on?

By volume in 2022-now: Orthopedic Surgery and Rehabilitation, Gastric Cancer Management and Outcomes, Coronary Artery Anomalies and Inflammatory Bowel Disease.

Orthopedic Surgery and R…3Orthopedic Surgery and Rehabilitation: 3 fractional worksGastric Cancer Managemen…3Gastric Cancer Management and Outcomes: 3 fractional worksCoronary Artery Anomalies3Coronary Artery Anomalies: 3 fractional worksInflammatory Bowel Disease3Inflammatory Bowel Disease: 3 fractional worksTotal Knee Arthroplasty Outcomes: 2 fractional worksPain Management and Treatment: 2 fractional worksGastrointestinal Tumor R…2Gastrointestinal Tumor Research and Treatment: 2 fractional worksOrthopaedic implants and arthroplasty: 2 fractional worksUrinary Tract Infections Management: 2 fractional worksGlioma Diagnosis and Tre…2Glioma Diagnosis and Treatment: 2 fractional works
SurgeryPulmonary and Respiratory MedicineGeneticsAnesthesiology and Pain Medicine2 others

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

  1. 1 Orthopedic Surgery and Rehabilitation Surgery 3 works
  2. 2 Gastric Cancer Management and Outcomes Pulmonary and Respiratory Medicine 3 works
  3. 3 Coronary Artery Anomalies Pulmonary and Respiratory Medicine 3 works
  4. 4 Inflammatory Bowel Disease Genetics 3 works
  5. 5 Total Knee Arthroplasty Outcomes Surgery 2 works
  6. 6 Pain Management and Treatment Anesthesiology and Pain Medicine 2 works
  7. 7 Gastrointestinal Tumor Research and Treatment Gastroenterology 2 works
  8. 8 Orthopaedic implants and arthroplasty Surgery 2 works
  9. 9 Urinary Tract Infections Management Epidemiology 2 works
  10. 10 Glioma Diagnosis and Treatment Genetics 2 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 available52.1%not open47.9%

World: 40% of research is openly available.

with international co-authors31.0%domestic only69.0%

World: 18% is written across borders.

How has AZ Delta's research output changed?

Output in 2022-2025 was 54% higher than in 2018-2021.

still counting200020102020
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 AZ Delta as a percentage of every work published that year, 0.00066% in 2024.

still counting0.00025%0.00050%0.00075%AZ Delta0.00073% in 2025200020102020

Fractional works of AZ Delta 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.

still counting10%20%all institutions10.0% in 2025AZ Delta9.1% in 20252020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 15.5% in 2023.

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AZ Delta on Science Explorer

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