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Hospital / health system · Sulzbach · Germany

Knappschaftsklinikum Saar

In research, Knappschaftsklinikum Saar stands highest in Medicine (#16,693 of 17,978 worldwide) and Health Sciences (#19,465 of 20,462 worldwide), over all time. Relative to its size it is most specialised in Ophthalmology, Medicine and Health Sciences — Ophthalmology is 106.3× its share of world research.

kksaar.deROR OpenAlex
World rank, 2022–2025
#27,362
of 28,054 · #37,439 all time
Rank in Germany
#1,144
of 1,178
Research works
298
▲ 84% vs 2013–17
Citations
2.5k
8.4 per fractional work
Top-10% rate
7.5%
record average 16.5%
Open access
26%
world 28%

What is Knappschaftsklinikum Saar known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
MedicineField #16,693 of 17,978 8.8%236
Health SciencesDomain #19,465 of 20,462 8.7%243

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

Where its research is concentrated relative to its size: Ophthalmology takes 106.3× the share of its output that it takes of world research.

  1. OphthalmologySubfield · 21.5 works106×
  2. MedicineField · 55.1 works3.8×
  3. Health SciencesDomain · 57.7 works3.3×
← 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: 0.22× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.00× its world share, 4 worksBiochemistry, Geneti…Immunology and Microbiology: 0.73× its world share, 1 worksImmunology and Micro…Neuroscience: 1.59× its world share, 2 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.10× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 0.14× its world share, 0 worksChemical EngineeringChemistry: 0.31× its world share, 0 worksChemistryComputer Science: 0.03× its world share, 0 worksComputer ScienceEngineering: 0.11× its world share, 1 worksEngineeringEnvironmental Science: 0.04× its world share, 0 worksEnvironmental ScienceMaterials Science: 0.06× its world share, 0 worksMaterials ScienceDentistry: 0.91× its world share, 0 worksDentistryHealth Professions: 1.14× its world share, 2 worksHealth ProfessionsMedicine: 3.79× its world share, 55 worksMedicineArts and Humanities: 0.61× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 1.50× its world share, 4 worksBusiness, Management…Psychology: 0.18× its world share, 0 worksPsychologySocial Sciences: 0.31× its world share, 3 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 3.8×. Every wedge is a field page.

Who are the top researchers at Knappschaftsklinikum Saar?

Ranked on the composite score, U Mester, Peter Szurman and Kai Januschowski lead among researchers whose main affiliation is Knappschaftsklinikum Saar.

  1. 1 U Mester Germany · #849,494 worldwide 26 citations · 29 works
  2. 2 Peter Szurman Germany · #908,986 worldwide 58 citations · 48 works
  3. 3 Kai Januschowski Germany · #1,150,156 worldwide 14 citations · 21 works
All ranked researchers at Knappschaftsklinikum Saar

Which keywords describe research at Knappschaftsklinikum Saar?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Glaucoma, Intraocular Pressure, Myopia, OCT Imaging, Macular Hole, Vitreoretinal Surgery, Optical Coherence Tomography and Femtosecond Laser.

▲ 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. Glaucoma11▲ 97×3 topics
  2. Intraocular Pressure9▲ 137×2 topics
  3. Epidemiology8▲ 2.8×19 topics
  4. Myopia8▲ 188×2 topics
  5. OCT Imaging7▲ 354×2 topics
  6. Macular Hole7▲ 427×1 topic
  7. Vitreoretinal Surgery7▲ 427×1 topic
  8. Optical Coherence Tomography7▲ 87×2 topics
  9. Femtosecond Laser6▲ 152×1 topic
  10. Intraocular Lens Implantation6▲ 278×1 topic
  11. Optic Nerve5▲ 70×2 topics
  12. Risk Factors5▲ 6.2×5 topics
  13. Neurodegeneration5▲ 21×2 topics
  14. Ocular Hypertension5▲ 119×1 topic
  15. Retinal Ganglion Cells5▲ 56×1 topic
  16. Macular Degeneration4▲ 49×3 topics
  17. Corneal Biomechanics4▲ 166×1 topic
  18. Keratoconus4▲ 166×1 topic
  19. Intravitreal Injection4▲ 73×2 topics
  20. Inflammation3▲ 2.2×7 topics
  21. Diabetic Retinopathy3▲ 41×2 topics
  22. Prognostic Factors3▲ 9.4×8 topics
  23. Vascular Endothelial Growth Factor3▲ 49×2 topics
  24. Immunosuppressive Therapy3▲ 21×3 topics
  25. Genetic Mutations3▲ 8.9×8 topics
  26. Juvenile Idiopathic Arthritis3▲ 73×2 topics
  27. Behçet's Disease3▲ 129×1 topic
  28. Uveitis3▲ 129×1 topic
  29. Choroidal Thickness2▲ 63×1 topic
  30. Retinal Pigment Epithelium2▲ 63×1 topic
  31. Rehabilitation2▲ 8.0×4 topics
  32. Ocular Findings2▲ 97×1 topic
  33. Information Technology2▲ 5.5×1 topic
  34. Value Chains2▲ 143×1 topic
  35. Endophthalmitis2▲ 72×2 topics
  36. Wound Healing2▲ 9.6×3 topics
  37. Corneal Regeneration2▲ 96×1 topic
  38. Limbal Stem Cells2▲ 96×1 topic
  39. Tumor Classification2▲ 48×2 topics
  40. Radiation Therapy2▲ 17×2 topics

Which research topics does Knappschaftsklinikum Saar publish most on?

By volume in 2022–2025: Retinal and Macular Surgery, Intraocular Surgery and Lenses, Glaucoma and retinal disorders and Corneal surgery and disorders.

Retinal and Macular Surgery: 7 fractional worksIntraocular Surgery and Lenses: 6 fractional worksGlaucoma and retinal disorders: 5 fractional worksCorneal surgery and disorders: 4 fractional worksOcular Diseases and Behçet’s Syndrome: 3 fractional worksRetinal Diseases and Tre…2Retinal Diseases and Treatments: 2 fractional worksRetinal and Optic Conditions: 2 fractional worksCorporate Governance and Management: 2 fractional worksCorneal Surgery and Treatments: 2 fractional worksOcular Oncology and Treatments: 2 fractional works
Radiology, Nuclear Medicine and ImagingOphthalmologyStrategy and Management

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

  1. 1 Retinal and Macular Surgery Radiology, Nuclear Medicine and Imaging 7 works
  2. 2 Intraocular Surgery and Lenses Ophthalmology 6 works
  3. 3 Glaucoma and retinal disorders Ophthalmology 5 works
  4. 4 Corneal surgery and disorders Radiology, Nuclear Medicine and Imaging 4 works
  5. 5 Ocular Diseases and Behçet’s Syndrome Ophthalmology 3 works
  6. 6 Retinal Diseases and Treatments Ophthalmology 2 works
  7. 7 Retinal and Optic Conditions Ophthalmology 2 works
  8. 8 Corporate Governance and Management Strategy and Management 2 works
  9. 9 Corneal Surgery and Treatments Radiology, Nuclear Medicine and Imaging 2 works
  10. 10 Ocular Oncology and Treatments Ophthalmology 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 available26.3%not open73.7%

World: 28% of research is openly available.

with international co-authors12.2%domestic only87.8%

World: 19% is written across borders.

How has Knappschaftsklinikum Saar's research output changed?

Output in 2018–2022 was 84% 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 Sulzbach

All research institutions in Sulzbach

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.