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Hospital / health system · Omaha · United States

CHI Health

In research, CHI Health stands highest in Medicine (#9,558 of 10,443 worldwide) and Health Sciences (#11,137 of 11,982 worldwide), 2022–2025. Relative to its size it is most specialised in Surgery — Surgery is 7.9× its share of world research.

chihealth.comROR OpenAlex
World rank, 2022–2025
#25,031
of 28,054 · #31,625 all time
Rank in United States
#3,772
of 4,192
Research works
461
▲ 72% vs 2013–17
Citations
3.8k
8.2 per fractional work
Top-10% rate
5.5%
record average 16.5%
Open access
52%
world 28%

What is CHI Health 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 #9,558 of 10,443 4.6%104 #11599
Health SciencesDomain #11,137 of 11,982 4.7%114 #12017

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

Where its research is concentrated relative to its size: Surgery takes 7.9× the share of its output that it takes of world research.

  1. SurgerySubfield · 25.4 works7.9×
← 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: 0.08× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.74× its world share, 5 worksBiochemistry, Geneti…Immunology and Microbiology: 1.50× its world share, 2 worksImmunology and Micro…Neuroscience: 1.14× its world share, 2 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.36× its world share, 0 worksPharmacology, Toxico…Chemistry: 0.08× its world share, 0 worksChemistryComputer Science: 0.13× its world share, 1 worksComputer ScienceEngineering: 0.11× its world share, 2 worksEngineeringEnvironmental Science: 0.05× its world share, 0 worksEnvironmental ScienceMathematics: 0.03× its world share, 0 worksMathematicsDentistry: 0.60× its world share, 0 worksDentistryHealth Professions: 1.90× its world share, 7 worksHealth ProfessionsMedicine: 3.98× its world share, 104 worksMedicineNursing: 2.60× its world share, 2 worksNursingVeterinary: 0.60× its world share, 0 worksVeterinaryArts and Humanities: 0.08× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.03× its world share, 0 worksBusiness, Management…Decision Sciences: 0.32× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.41× its world share, 1 worksEconomics, Econometr…Psychology: 0.63× its world share, 3 worksPsychologySocial Sciences: 0.20× 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, 4.0×. Every wedge is a field page.

Who are the top researchers at CHI Health?

Ranked on the composite score, Yuichi Shibuya, Jun Iwata and Jiro Kimura lead among researchers whose main affiliation is CHI Health.

  1. 1 Yuichi Shibuya United States · #1,192,124 worldwide 25 citations · 19 works
  2. 2 Jun Iwata United States · #1,403,025 worldwide 19 citations · 25 works
  3. 3 Jiro Kimura United States · #1,436,440 worldwide 6 citations · 25 works
  4. 4 Yusuke Kita United States · #1,443,781 worldwide 5 citations · 15 works
All ranked researchers at CHI Health

Which keywords describe research at CHI Health?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Diagnosis, Treatment, Chemotherapy, Prognostic Factors, Management, Complications and Surgical Management.

▲ 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. Epidemiology17▲ 3.1×52 topics
  2. Diagnosis9▲ 7.0×22 topics
  3. Treatment9▲ 5.3×22 topics
  4. Chemotherapy7▲ 7.5×18 topics
  5. Management7▲ 6.2×19 topics
  6. Prognostic Factors6▲ 11×10 topics
  7. Complications6▲ 8.6×13 topics
  8. Surgical Management5▲ 9.7×13 topics
  9. Clinical Practice Guidelines5▲ 6.9×12 topics
  10. Immunotherapy5▲ 4.8×12 topics
  11. Risk Factors4▲ 2.8×16 topics
  12. Quality of Life4▲ 1.97×20 topics
  13. Guidelines4▲ 5.6×11 topics
  14. Surgery3▲ 7.2×8 topics
  15. Survival Analysis3▲ 9.0×6 topics
  16. Mortality3▲ 4.2×9 topics
  17. Tumor Microenvironment3▲ 5.4×4 topics
  18. Molecular Profiling3▲ 21×3 topics
  19. Pathogenesis3▲ 4.1×14 topics
  20. Rituximab3▲ 14×2 topics
  21. Cholangiocarcinoma3▲ 25×2 topics
  22. Neoadjuvant Therapy3▲ 8.6×5 topics
  23. Children3▲ 8.1×5 topics
  24. Gastric Cancer3▲ 17×3 topics
  25. PET Imaging3▲ 11×3 topics
  26. Classification2▲ 4.1×3 topics
  27. Molecular Characterization2▲ 10×5 topics
  28. Radiotherapy2▲ 4.7×8 topics
  29. Palliative Treatment2▲ 26×2 topics
  30. Therapeutic Targets2▲ 11×3 topics
  31. Critical Care2▲ 7.4×7 topics
  32. Gene Expression Profiling2▲ 19×2 topics
  33. Genetic Factors2▲ 23×2 topics
  34. Cancer Risk2▲ 6.8×7 topics
  35. Pancreatic Cancer2▲ 13×2 topics
  36. Radiofrequency Ablation2▲ 14×2 topics
  37. Cancer Incidence2▲ 10×3 topics
  38. Gemcitabine2▲ 19×1 topic
  39. Surgical Complications2▲ 17×1 topic
  40. Parathyroid Hormone2▲ 15×3 topics

Which research topics does CHI Health publish most on?

By volume in 2022–2025: Pancreatic and Hepatic Oncology Research, Cardiac Valve Diseases and Treatments, Lymphoma Diagnosis and Treatment and Esophageal and GI Pathology.

Pancreatic and Hepatic O…2Pancreatic and Hepatic Oncology Research: 2 fractional worksCardiac Valve Diseases a…2Cardiac Valve Diseases and Treatments: 2 fractional worksLymphoma Diagnosis and Treatment: 2 fractional worksEsophageal and GI Pathology: 2 fractional worksPancreatitis Pathology and Treatment: 1 fractional worksHepatocellular Carcinoma Treatment and Prognosis: 1 fractional worksGallbladder and Bile Duct Disorders: 1 fractional worksMaternal and Perinatal H…1Maternal and Perinatal Health Interventions: 1 fractional worksCholangiocarcinoma and Gallbladder Cancer Studies: 1 fractional worksGastric Cancer Management and Outcomes: 1 fractional works
OncologyCardiology and Cardiovascular MedicinePathology and Forensic MedicineSurgery3 others

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

  1. 1 Pancreatic and Hepatic Oncology Research Oncology 2 works
  2. 2 Cardiac Valve Diseases and Treatments Cardiology and Cardiovascular Medicine 2 works
  3. 3 Lymphoma Diagnosis and Treatment Pathology and Forensic Medicine 2 works
  4. 4 Esophageal and GI Pathology Surgery 2 works
  5. 5 Pancreatitis Pathology and Treatment Surgery 1 works
  6. 6 Hepatocellular Carcinoma Treatment and Prognosis Hepatology 1 works
  7. 7 Gallbladder and Bile Duct Disorders Pulmonary and Respiratory Medicine 1 works
  8. 8 Maternal and Perinatal Health Interventions Obstetrics and Gynecology 1 works
  9. 9 Cholangiocarcinoma and Gallbladder Cancer Studies Surgery 1 works
  10. 10 Gastric Cancer Management and Outcomes Pulmonary and Respiratory 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 available51.9%not open48.1%

World: 28% of research is openly available.

with international co-authors29.2%domestic only70.8%

World: 19% is written across borders.

How has CHI Health's research output changed?

Output in 2018–2022 was 72% 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 Omaha

All research institutions in Omaha

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.