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Hospital / health system · Hoofddorp · Netherlands

Spaarne Ziekenhuis

In research, Spaarne Ziekenhuis stands highest in Health Sciences (#3,854 of 11,982 worldwide) and Medicine (#5,216 of 10,443 worldwide), 2022–2025. Relative to its size it is most specialised in Surgery — Surgery is 9.4× its share of world research.

spaarneziekenhuis.nlROR OpenAlex
World rank, 2022–2025
#12,604
of 28,054 · #16,353 all time
Rank in Netherlands
#109
of 237
Research works
544
▲ 15% vs 2013–17
Citations
15k
26.8 per fractional work
Top-10% rate
25.5%
record average 16.5%
Open access
49%
world 28%

What is Spaarne 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 #3,854 of 11,982 26.1%93 #5291
MedicineField #5,216 of 10,443 25.4%85 #5867

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

Where its research is concentrated relative to its size: Surgery takes 9.4× the share of its output that it takes of world research.

  1. SurgerySubfield · 24.5 works9.4×
← 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: 1.11× its world share, 6 worksBiochemistry, Geneti…Immunology and Microbiology: 1.81× its world share, 2 worksImmunology and Micro…Neuroscience: 0.45× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.34× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 0.12× its world share, 0 worksChemical EngineeringChemistry: 0.06× its world share, 0 worksChemistryComputer Science: 0.03× its world share, 0 worksComputer ScienceEarth and Planetary Sciences: 0.31× its world share, 0 worksEarth and Planetary …Energy: 0.11× its world share, 0 worksEnergyEngineering: 0.12× its world share, 2 worksEngineeringEnvironmental Science: 0.08× its world share, 0 worksEnvironmental ScienceMathematics: 0.14× its world share, 0 worksMathematicsPhysics and Astronomy: 0.03× its world share, 0 worksPhysics and AstronomyDentistry: 1.42× its world share, 1 worksDentistryHealth Professions: 1.77× its world share, 5 worksHealth ProfessionsMedicine: 4.01× its world share, 85 worksMedicineNursing: 2.24× its world share, 1 worksNursingVeterinary: 0.62× its world share, 0 worksVeterinaryArts and Humanities: 0.01× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.08× its world share, 0 worksBusiness, Management…Decision Sciences: 0.12× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.21× its world share, 0 worksEconomics, Econometr…Psychology: 0.59× its world share, 2 worksPsychologySocial Sciences: 0.13× 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, 4.0×. Every wedge is a field page.

Who are the top researchers at Spaarne Ziekenhuis?

Ranked on the composite score, M.H. Emanuel, Inger N. Sierevelt and Aart Beeker lead among researchers whose main affiliation is Spaarne Ziekenhuis.

  1. 1 M.H. Emanuel Netherlands · #358,989 worldwide 53 citations · 18 works
  2. 2 Inger N. Sierevelt Netherlands · #840,526 worldwide 22 citations · 23 works
  3. 3 Aart Beeker Netherlands · #1,107,152 worldwide 31 citations · 16 works
All ranked researchers at Spaarne Ziekenhuis

Which keywords describe research at Spaarne Ziekenhuis?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Complications, Revision Surgery, Total Hip Replacement, Surgical Treatment, Degenerative Disc Disease, Rehabilitation and Arthroplasty.

▲ 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. Epidemiology20▲ 4.6×78 topics
  2. Complications7▲ 12×13 topics
  3. Inflammation6▲ 2.6×37 topics
  4. Quality of Life5▲ 3.3×24 topics
  5. Revision Surgery5▲ 35×2 topics
  6. Surgical Treatment5▲ 22×5 topics
  7. Total Hip Replacement5▲ 35×2 topics
  8. Degenerative Disc Disease5▲ 45×2 topics
  9. Rehabilitation4▲ 10×7 topics
  10. Arthroplasty4▲ 42×2 topics
  11. Diabetes4▲ 8.0×10 topics
  12. Obesity4▲ 5.3×10 topics
  13. Cardiovascular Disease4▲ 3.5×26 topics
  14. Risk Factors4▲ 3.5×23 topics
  15. Diagnosis4▲ 4.1×22 topics
  16. Health-related Quality of Life4▲ 16×4 topics
  17. Metabolic Syndrome4▲ 4.5×16 topics
  18. Patient Satisfaction4▲ 12×8 topics
  19. Spinal Fusion4▲ 38×2 topics
  20. Management4▲ 4.5×18 topics
  21. Cardiovascular Risk4▲ 11×6 topics
  22. Low Back Pain4▲ 20×3 topics
  23. Clinical Outcomes4▲ 16×5 topics
  24. Surgical Management4▲ 7.8×14 topics
  25. Treatment4▲ 2.6×26 topics
  26. Outcomes3▲ 37×1 topic
  27. Total Knee Replacement3▲ 45×1 topic
  28. Intervertebral Disc3▲ 42×1 topic
  29. Lumbar Disc Degeneration3▲ 42×1 topic
  30. Clinical Practice Guidelines3▲ 4.9×13 topics
  31. Biomechanics3▲ 8.6×6 topics
  32. Global Burden3▲ 4.9×9 topics
  33. Type 2 Diabetes3▲ 11×4 topics
  34. Weight Loss3▲ 15×4 topics
  35. Health Outcomes2▲ 8.3×5 topics
  36. Lifestyle Intervention2▲ 26×2 topics
  37. SARS-CoV-22▲ 6.6×6 topics
  38. Bariatric Surgery2▲ 57×1 topic
  39. Metabolic Surgery2▲ 57×1 topic
  40. Antimicrobial Resistance2▲ 9.3×6 topics

Which research topics does Spaarne Ziekenhuis publish most on?

By volume in 2022–2025: Total Knee Arthroplasty Outcomes, Spine and Intervertebral Disc Pathology, Bariatric Surgery and Outcomes and Knee injuries and reconstruction techniques.

Total Knee Arthroplasty Outcomes: 3 fractional worksSpine and Intervertebral Disc Pathology: 3 fractional worksBariatric Surgery and Ou…2Bariatric Surgery and Outcomes: 2 fractional worksKnee injuries and recons…2Knee injuries and reconstruction techniques: 2 fractional worksOrthopaedic implants and arthroplasty: 2 fractional worksRespiratory viral infections research: 2 fractional worksCervical and Thoracic My…2Cervical and Thoracic Myelopathy: 2 fractional worksShoulder Injury and Treatment: 1 fractional worksChronic Obstructive Pulmonary Disease (COPD) Research: 1 fractional worksFoot and Ankle Surgery1Foot and Ankle Surgery: 1 fractional works
SurgeryPathology and Forensic MedicineEpidemiologyPulmonary and Respiratory Medicine1 others

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

  1. 1 Total Knee Arthroplasty Outcomes Surgery 3 works
  2. 2 Spine and Intervertebral Disc Pathology Pathology and Forensic Medicine 3 works
  3. 3 Bariatric Surgery and Outcomes Surgery 2 works
  4. 4 Knee injuries and reconstruction techniques Surgery 2 works
  5. 5 Orthopaedic implants and arthroplasty Surgery 2 works
  6. 6 Respiratory viral infections research Epidemiology 2 works
  7. 7 Cervical and Thoracic Myelopathy Surgery 2 works
  8. 8 Shoulder Injury and Treatment Surgery 1 works
  9. 9 Chronic Obstructive Pulmonary Disease (COPD) Research Pulmonary and Respiratory Medicine 1 works
  10. 10 Foot and Ankle Surgery Orthopedics and Sports Medicine 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 available49.0%not open51.0%

World: 28% of research is openly available.

with international co-authors22.8%domestic only77.2%

World: 19% is written across borders.

How has Spaarne Ziekenhuis's research output changed?

Output in 2018–2022 was 15% 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 Hoofddorp

All research institutions in Hoofddorp

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.