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Hospital / health system · Ann Arbor · United States

VA Ann Arbor Healthcare System

In research, VA Ann Arbor Healthcare System stands highest in Health Sciences (#1,635 of 11,982 worldwide), Medicine (#1,784 of 10,443 worldwide) and Social Sciences (#4,698 of 10,521 worldwide), 2022–2025.

annarbor.va.govROR OpenAlex
World rank, 2022–2025
#4,175
of 28,054 · #3,702 all time
Rank in United States
#583
of 4,192
Research works
2k
▲ 20% vs 2013–17
Citations
86k
43.4 per fractional work
Top-10% rate
24.9%
record average 16.5%
Open access
56%
world 28%

What is VA Ann Arbor Healthcare System 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 #1,635 of 11,982 24.2%322 #1042
MedicineField #1,784 of 10,443 22.8%269 #993
Social SciencesDomain #4,698 of 10,521 24.6%62 #3634

Each strip is that field’s whole ranked pool, with the notch where VA Ann Arbor Healthcare System 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).

Which of those standings moved

The same fields on both windows: where it stood over the whole record, and where it stands in 2022–2025. The distance is the story, and it is the one thing the two rank columns above cannot show.

  1. Health Sciences#1,042 #1,635
  2. Medicine#993 #1,784
  3. Social Sciences#3,634 #4,698
all time2022–2025, better2022–2025, worse

A dot further right is a better standing. Fields it was not ranked in over the whole record are left out.

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: 0.09× its world share, 2 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.90× its world share, 22 worksBiochemistry, Geneti…Immunology and Microbiology: 1.93× its world share, 9 worksImmunology and Micro…Neuroscience: 2.28× its world share, 17 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.58× its world share, 1 worksPharmacology, Toxico…Computer Science: 0.08× its world share, 3 worksComputer ScienceEnergy: 0.04× its world share, 0 worksEnergyEngineering: 0.09× its world share, 6 worksEngineeringEnvironmental Science: 0.12× its world share, 3 worksEnvironmental ScienceMaterials Science: 0.06× its world share, 1 worksMaterials ScienceMathematics: 0.17× its world share, 1 worksMathematicsPhysics and Astronomy: 0.06× its world share, 1 worksPhysics and AstronomyDentistry: 0.10× its world share, 0 worksDentistryHealth Professions: 4.27× its world share, 50 worksHealth ProfessionsMedicine: 3.13× its world share, 269 worksMedicineNursing: 1.10× its world share, 2 worksNursingVeterinary: 0.37× its world share, 0 worksVeterinaryArts and Humanities: 0.07× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.07× its world share, 1 worksBusiness, Management…Decision Sciences: 0.38× its world share, 2 worksDecision SciencesEconomics, Econometrics and Finance: 1.05× its world share, 10 worksEconomics, Econometr…Psychology: 2.24× its world share, 30 worksPsychologySocial Sciences: 0.31× its world share, 18 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Health Professions, 4.3×. Every wedge is a field page.

Who are the top researchers at VA Ann Arbor Healthcare System?

Ranked on the composite score, Laura J. Damschroder, Karen E. Fowler and Christine M. Freeman lead among researchers whose main affiliation is VA Ann Arbor Healthcare System.

  1. 1 Laura J. Damschroder United States · #62,184 worldwide 899 citations · 26 works
  2. 2 Karen E. Fowler United States · #279,808 worldwide 88 citations · 23 works
  3. 3 Christine M. Freeman United States · #457,683 worldwide 89 citations · 18 works
  4. 4 Payal Patel United States · #554,594 worldwide 45 citations · 24 works
  5. 5 Edward J. Thomas United States · #766,794 worldwide 3 citations · 18 works
  6. 6 John J. Osterholzer United States · #1,007,872 worldwide 27 citations · 20 works
  7. 7 David H. Wesorick United States · #1,159,367 worldwide 14 citations · 33 works
  8. 8 Nathan Houchens United States · #1,310,989 worldwide 7 citations · 17 works
All ranked researchers at VA Ann Arbor Healthcare System

Which keywords describe research at VA Ann Arbor Healthcare System?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Biomarkers, Depression, Inflammation, Aging, Primary Care, Quality of Life and Mental Health.

▲ 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. Epidemiology56▲ 3.1×82 topics
  2. Inflammation23▲ 2.5×56 topics
  3. Quality of Life19▲ 3.0×36 topics
  4. Mental Health19▲ 2.9×26 topics
  5. Biomarkers18▲ 5.8×12 topics
  6. Depression18▲ 4.5×16 topics
  7. Treatment15▲ 2.8×29 topics
  8. Public Health15▲ 2.3×29 topics
  9. Aging15▲ 6.1×11 topics
  10. Risk Factors15▲ 3.0×26 topics
  11. Cardiovascular Disease14▲ 2.8×26 topics
  12. Diagnosis14▲ 3.3×20 topics
  13. Neurological Disorders13▲ 5.1×19 topics
  14. Primary Care13▲ 7.5×10 topics
  15. Clinical Trials12▲ 4.0×16 topics
  16. Quality Improvement12▲ 13×8 topics
  17. Management11▲ 3.2×18 topics
  18. Mortality Risk11▲ 10×6 topics
  19. Global Burden11▲ 4.4×12 topics
  20. Mortality10▲ 4.1×13 topics
  21. Neuroimaging10▲ 8.7×7 topics
  22. Guidelines10▲ 4.9×12 topics
  23. Alzheimer's Disease10▲ 8.0×7 topics
  24. Anxiety10▲ 4.6×8 topics
  25. Clinical Guidelines9▲ 7.1×8 topics
  26. Critical Care9▲ 8.9×7 topics
  27. Chronic Disease Management9▲ 11×5 topics
  28. Parkinson's Disease9▲ 8.3×8 topics
  29. Patient Satisfaction8▲ 6.0×9 topics
  30. Substance Use Disorders8▲ 26×2 topics
  31. Caregiver Burden8▲ 17×3 topics
  32. Cognitive Decline8▲ 15×2 topics
  33. Cognitive Training8▲ 20×2 topics
  34. Dementia8▲ 19×2 topics
  35. Mild Cognitive Impairment8▲ 21×1 topic
  36. Vascular Risk Factors8▲ 21×1 topic
  37. Elderly Patients7▲ 9.9×4 topics
  38. Behavior Change7▲ 11×4 topics
  39. Patient Engagement7▲ 12×4 topics
  40. Psychometric Evaluation7▲ 17×2 topics

Which research topics does VA Ann Arbor Healthcare System publish most on?

By volume in 2022–2025: Dementia and Cognitive Impairment Research, Opioid Use Disorder Treatment, Posttraumatic Stress Disorder Research and Health Systems, Economic Evaluations, Quality of Life.

Dementia and Cognitive I…8Dementia and Cognitive Impairment Research: 8 fractional worksOpioid Use Disorder Trea…5Opioid Use Disorder Treatment: 5 fractional worksPosttraumatic Stress Disorder Research: 5 fractional worksHealth Systems, Economic Evaluations, Quality of Life: 4 fractional worksHealth Policy Implementation Science: 4 fractional worksPalliative Care and End-of-Life Issues: 4 fractional worksGeriatric Care and Nursing Homes: 4 fractional worksDiversity and Career in …4Diversity and Career in Medicine: 4 fractional worksParkinson's Disease Mechanisms and Treatments: 4 fractional worksSepsis Diagnosis and Treatment: 4 fractional works
Psychiatry and Mental healthPublic Health, Environmental and Occupational HealthClinical PsychologyEconomics and Econometrics4 others

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

  1. 1 Dementia and Cognitive Impairment Research Psychiatry and Mental health 8 works
  2. 2 Opioid Use Disorder Treatment Public Health, Environmental and Occupational Health 5 works
  3. 3 Posttraumatic Stress Disorder Research Clinical Psychology 5 works
  4. 4 Health Systems, Economic Evaluations, Quality of Life Economics and Econometrics 4 works
  5. 5 Health Policy Implementation Science General Health Professions 4 works
  6. 6 Palliative Care and End-of-Life Issues Public Health, Environmental and Occupational Health 4 works
  7. 7 Geriatric Care and Nursing Homes General Health Professions 4 works
  8. 8 Diversity and Career in Medicine Gender Studies 4 works
  9. 9 Parkinson's Disease Mechanisms and Treatments Neurology 4 works
  10. 10 Sepsis Diagnosis and Treatment Epidemiology 4 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 available55.5%not open44.5%

World: 28% of research is openly available.

with international co-authors11.4%domestic only88.6%

World: 19% is written across borders.

How has VA Ann Arbor Healthcare System's research output changed?

Output in 2018–2022 was 20% 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 Ann Arbor

All research institutions in Ann Arbor

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.