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Hospital / health system · Portland · United States

MaineHealth

In research, MaineHealth stands highest in Health Sciences (#1,468 of 9,902 worldwide) and Medicine (#1,448 of 8,541 worldwide), 2022-now.

mainehealth.orgROR OpenAlex
World rank, 2022-now
#5,848
of 22,385 · #4,757 all time
Rank in United States
#789
of 3,332
Research works
974
▲ 87% vs 2018-21
Citations
29k
30.0 per fractional work
Top-10% rate
11.2%
all institutions 10.0%
vs its own fields
0.99×
1.00× is exactly expected
Open access
53%
world 40%
International
16%
world 18%
MaineHealth

What is MaineHealth 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
Health SciencesDomain #1,468 of 9,902 13.0%191 #1586
MedicineField #1,448 of 8,541 13.6%161 #1549

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

In 2022-now, 67% of research at MaineHealth is in Health Sciences, 17% in Life Sciences. Its largest fields are Medicine (57%), Biochemistry, Genetics and Molecular Biology (10%), Health Professions (9%). It does 2.8× the world's share of Health Sciences.

Health Sciences: 242 fractional works · 67.1% of its workMedicine: 206 fractional works · 57.1% of its workPublic Health, Environmental and Occupational Health: 20 fractional works · 5.5% of its workSurgery: 18 fractional works · 5.0% of its workEpidemiology: 18 fractional works · 4.9% of its workPulmonary and Respiratory Medicine: 14 fractional works · 4.0% of its workCardiology and Cardiovascular Medicine: 14 fractional works · 3.8% of its workPhysiology: 12 fractional works · 3.3% of its workOncology: 11 fractional works · 2.9% of its workEmergency Medicine: 10 fractional works · 2.7% of its workPediatrics, Perinatology and Child Health: 9 fractional works · 2.4% of its workInfectious Diseases: 8 fractional works · 2.2% of its workPsychiatry and Mental health: 7 fractional works · 2.1% of its workEndocrinology, Diabetes and Metabolism: 7 fractional works · 1.9% of its workNeurology: 6 fractional works · 1.6% of its workOrthopedics and Sports Medicine: 6 fractional works · 1.6% of its workRadiology, Nuclear Medicine and Imaging: 4 fractional works · 1.2% of its workCritical Care and Intensive Care Medicine: 4 fractional works · 1.1% of its workPathology and Forensic Medicine: 4 fractional works · 1.0% of its workNephrology: 4 fractional works · 1.0% of its workObstetrics and Gynecology: 3 fractional works · 0.9% of its workHematology: 3 fractional works · 0.9% of its workPharmacology: 3 fractional works · 0.8% of its workGenetics: 3 fractional works · 0.8% of its workRehabilitation: 2 fractional works · 0.6% of its workRheumatology: 2 fractional works · 0.6% of its workFamily Practice: 2 fractional works · 0.5% of its workHepatology: 2 fractional works · 0.5% of its workGeriatrics and Gerontology: 1 fractional works · 0.4% of its workReproductive Medicine: 1 fractional works · 0.4% of its workDermatology: 1 fractional works · 0.3% of its workAnesthesiology and Pain Medicine: 1 fractional works · 0.3% of its workInternal Medicine: 1 fractional works · 0.3% of its workGastroenterology: 1 fractional works · 0.3% of its workOphthalmology: 1 fractional works · 0.2% of its workImmunology and Allergy: 1 fractional works · 0.2% of its workSmaller subfields together: 3 fractional works · 0.8% of its workHealth Professions: 33 fractional works · 9.1% of its workGeneral Health Professions: 20 fractional works · 5.5% of its workEmergency Medical Services: 3 fractional works · 1.0% of its workSpeech and Hearing: 3 fractional works · 0.8% of its workRadiological and Ultrasound Technology: 2 fractional works · 0.5% of its workPharmacy: 2 fractional works · 0.4% of its workPhysical Therapy, Sports Therapy and Rehabilitation: 2 fractional works · 0.4% of its workOccupational Therapy: 1 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.3% of its workNursing: 2 fractional works · 0.6% of its workNutrition and Dietetics: 1 fractional works · 0.4% of its workSmaller subfields together: 1 fractional works · 0.2% of its workDentistry: 0 fractional works · 0.1% of its workVeterinary: 0 fractional works · 0.1% of its workLife Sciences: 61 fractional works · 16.8% of its workBiochemistry, Genetics and Molecular Biology: 37 fractional works · 10.3% of its workMolecular Biology: 24 fractional works · 6.5% of its workGenetics: 6 fractional works · 1.8% of its workCancer Research: 3 fractional works · 0.7% of its workCell Biology: 2 fractional works · 0.5% of its workClinical Biochemistry: 1 fractional works · 0.3% of its workSmaller subfields together: 2 fractional works · 0.5% of its workImmunology and Microbiology: 10 fractional works · 2.8% of its workImmunology: 5 fractional works · 1.3% of its workParasitology: 4 fractional works · 1.1% of its workApplied Microbiology and Biotechnology: 1 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.2% of its workNeuroscience: 7 fractional works · 1.9% of its workCognitive Neuroscience: 2 fractional works · 0.5% of its workEndocrine and Autonomic Systems: 2 fractional works · 0.5% of its workBehavioral Neuroscience: 1 fractional works · 0.2% of its workDevelopmental Neuroscience: 1 fractional works · 0.2% of its workCellular and Molecular Neuroscience: 1 fractional works · 0.2% of its workNeurology: 1 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workAgricultural and Biological Sciences: 5 fractional works · 1.3% of its workInsect Science: 2 fractional works · 0.5% of its workEcology, Evolution, Behavior and Systematics: 1 fractional works · 0.4% of its workSmaller subfields together: 1 fractional works · 0.4% of its workPharmacology, Toxicology and Pharmaceutics: 2 fractional works · 0.5% of its workPharmacology: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.2% of its workSocial Sciences: 44 fractional works · 12.3% of its workPsychology: 19 fractional works · 5.2% of its workClinical Psychology: 9 fractional works · 2.6% of its workSocial Psychology: 4 fractional works · 1.2% of its workExperimental and Cognitive Psychology: 2 fractional works · 0.5% of its workApplied Psychology: 2 fractional works · 0.5% of its workDevelopmental and Educational Psychology: 1 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workSocial Sciences: 16 fractional works · 4.4% of its workSociology and Political Science: 7 fractional works · 1.8% of its workEducation: 3 fractional works · 0.9% of its workHealth: 3 fractional works · 0.8% of its workGender Studies: 2 fractional works · 0.4% of its workSmaller subfields together: 2 fractional works · 0.5% of its workEconomics, Econometrics and Finance: 7 fractional works · 2.0% of its workEconomics and Econometrics: 7 fractional works · 2.0% of its workBusiness, Management and Accounting: 1 fractional works · 0.3% of its workOrganizational Behavior and Human Resource Management: 1 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.0% of its workArts and Humanities: 1 fractional works · 0.2% of its workDecision Sciences: 1 fractional works · 0.2% of its workPhysical Sciences: 14 fractional works · 3.8% of its workEnvironmental Science: 6 fractional works · 1.7% of its workHealth, Toxicology and Mutagenesis: 3 fractional works · 0.9% of its workEnvironmental Chemistry: 1 fractional works · 0.4% of its workSmaller subfields together: 1 fractional works · 0.3% of its workEngineering: 4 fractional works · 1.1% of its workBiomedical Engineering: 3 fractional works · 0.9% of its workSmaller subfields together: 1 fractional works · 0.2% of its workComputer Science: 2 fractional works · 0.4% of its workArtificial Intelligence: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.2% of its workMathematics: 1 fractional works · 0.3% of its workStatistics and Probability: 1 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workChemistry: 0 fractional works · 0.1% of its workMaterials Science: 0 fractional works · 0.1% of its workEarth and Planetary Sciences: 0 fractional works · 0.1% of its workPhysics and Astronomy: 0 fractional works · 0.1% of its workALL ITS WORKMaineHealth360fractional works, 2022-now
Life Sciences17%Physical Sciences4%Health Sciences67%Social Sciences12%

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 24 fields, with their numbers
    1. Medicine20657.1%
    2. Health Professions339.1%
    3. Nursing20.6%
    4. Dentistry00.1%
    5. Veterinary00.1%
    1. Biochemistry, Genetics and Molecular Biology3710.3%
    2. Immunology and Microbiology102.8%
    3. Neuroscience71.9%
    4. Agricultural and Biological Sciences51.3%
    5. Pharmacology, Toxicology and Pharmaceutics20.5%
    1. Psychology195.2%
    2. Social Sciences164.4%
    3. Economics, Econometrics and Finance72.0%
    4. Business, Management and Accounting10.3%
    5. Arts and Humanities10.2%
    6. Decision Sciences10.2%
    1. Environmental Science61.7%
    2. Engineering41.1%
    3. Computer Science20.4%
    4. Mathematics10.3%
    5. Chemistry00.1%
    6. Materials Science00.1%
    7. Earth and Planetary Sciences00.1%
    8. Physics and Astronomy00.1%
All of science, and how each field's share has moved since 1950: the Science domain explorer

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: 0.27× its world share, 5 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.94× its world share, 37 worksBiochemistry, Geneti…Immunology and Microbiology: 2.77× its world share, 10 worksImmunology and Micro…Neuroscience: 1.18× its world share, 7 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.47× its world share, 2 worksPharmacology, Toxico…Chemistry: 0.08× its world share, 0 worksChemistryComputer Science: 0.05× its world share, 2 worksComputer ScienceEarth and Planetary Sciences: 0.04× its world share, 0 worksEarth and Planetary …Engineering: 0.07× its world share, 4 worksEngineeringEnvironmental Science: 0.34× its world share, 6 worksEnvironmental ScienceMaterials Science: 0.02× its world share, 0 worksMaterials ScienceMathematics: 0.27× its world share, 1 worksMathematicsPhysics and Astronomy: 0.03× its world share, 0 worksPhysics and AstronomyDentistry: 0.26× its world share, 0 worksDentistryHealth Professions: 3.44× its world share, 33 worksHealth ProfessionsMedicine: 2.97× its world share, 206 worksMedicineNursing: 1.26× its world share, 2 worksNursingVeterinary: 0.92× its world share, 0 worksVeterinaryArts and Humanities: 0.08× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.08× its world share, 1 worksBusiness, Management…Decision Sciences: 0.22× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.91× its world share, 7 worksEconomics, Econometr…Psychology: 1.70× its world share, 19 worksPsychologySocial Sciences: 0.35× its world share, 16 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Health Professions, 3.4×. Every wedge is a field page.

All 24 fields, with their numbers
  1. Health Professions3.44×33 works
  2. Medicine2.97×206 works
  3. Immunology and Microbiology2.77×10 works
  4. Biochemistry, Genetics and Molecular Biology1.94×37 works
  5. Psychology1.70×19 works
  6. Pharmacology, Toxicology and Pharmaceutics1.47×2 works
  7. Nursing1.26×2 works
  8. Neuroscience1.18×7 works
  9. Veterinary0.92×0 works
  10. Economics, Econometrics and Finance0.91×7 works
  11. Social Sciences0.35×16 works
  12. Environmental Science0.34×6 works
  13. Agricultural and Biological Sciences0.27×5 works
  14. Mathematics0.27×1 works
  15. Dentistry0.26×0 works
  16. Decision Sciences0.22×1 works
  17. Chemistry0.08×0 works
  18. Arts and Humanities0.08×1 works
  19. Business, Management and Accounting0.08×1 works
  20. Engineering0.07×4 works
  21. Computer Science0.05×2 works
  22. Earth and Planetary Sciences0.04×0 works
  23. Physics and Astronomy0.03×0 works
  24. Materials Science0.02×0 works

Who are the top researchers at MaineHealth?

Ranked on the quality score, Carol R. Reed, Carlos A. Gartner and Carolyn Chlebek lead among researchers whose main affiliation is MaineHealth.

  1. 1 Carol R. Reed United States · #487,523 worldwide 2.2k citations · 41 works
  2. 2 Carlos A. Gartner United States · #1,495,647 worldwide 2.2k citations · 41 works
  3. 3 Carolyn Chlebek United States · #1,874,641 worldwide 172 citations · 31 works
  4. 4 Anya J. Cutler United States · #2,887,186 worldwide 285 citations · 21 works
  5. 5 Susan Flewelling Goran United States · #3,086,996 worldwide 331 citations · 15 works
  6. 6 Elizabeth Scharnetzki United States · #3,136,296 worldwide 143 citations · 22 works
  7. 7 Gadberry Gj United States · #4,373,875 worldwide 2 citations · 15 works
All ranked researchers at MaineHealth

What are the most cited papers from MaineHealth?

The most cited paper from MaineHealth is "The 2011 Report on Dietary Reference Intakes for Calcium and Vitamin D from the Institute of Medicine: What Clinicians Need to Know" (A. Catharine Ross, JoAnn E. Manson, Steven A. Abrams et al., 2010), with 4,078 citations. Next come "Guidelines for the use and interpretation of assays for monitoring autophagy (4th edition) 1" (2,743) and "Analysis of shared heritability in common disorders of the brain" (2,056).

Most cited papers
#PaperReleasedCitations
1 The 2011 Report on Dietary Reference Intakes for Calcium and Vitamin D from the Institute of Medicine: What Clinicians Need to Know A. Catharine Ross, JoAnn E. Manson, Steven A. Abrams et al. · The Journal of Clinical Endocrinology & Metabolism Open access 30 Nov 2010 4,078
2 Guidelines for the use and interpretation of assays for monitoring autophagy (4th edition) 1 Daniel J. Klionsky et al. · Autophagy Open access2,930 authors 2 Jan 2021 2,743
3 Analysis of shared heritability in common disorders of the brain Verneri Anttila et al. · Science Open access577 authors 21 Jun 2018 2,056
4 Postmenopausal Osteoporosis Dennis M. Black, Clifford james Rosen · New England Journal of Medicine 20 Jan 2016 1,781
5 Shiga-toxin-producing Escherichia coli and haemolytic uraemic syndrome Phillip I. Tarr, Carrie A. Gordon, Wayne Leslie Chandler · The Lancet Mar 2005 1,776
All 60 most cited papers, with filters and sorting

Which keywords describe research at MaineHealth?

By fractional works in 2022-now, weighted toward what it does more of than the world: Epidemiology, Public Health, Inflammation, Primary Care, Metabolic Syndrome, Obesity, Insulin Resistance and Depression.

▲ 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. Epidemiology48▲ 3.3×83 topics
  2. Public Health23▲ 4.4×30 topics
  3. Inflammation23▲ 3.0×53 topics
  4. Primary Care13▲ 9.6×12 topics
  5. Metabolic Syndrome12▲ 4.2×18 topics
  6. Mental Health12▲ 2.4×25 topics
  7. Obesity12▲ 4.3×18 topics
  8. Cardiovascular Disease12▲ 2.8×26 topics
  9. Treatment11▲ 2.6×24 topics
  10. Cancer11▲ 2.3×31 topics
  11. Depression11▲ 3.5×17 topics
  12. Risk Factors11▲ 2.7×21 topics
  13. Quality of Life10▲ 1.91×27 topics
  14. Insulin Resistance9▲ 5.6×6 topics
  15. Diagnosis8▲ 2.4×21 topics
  16. Adolescents8▲ 6.0×7 topics
  17. Resuscitation7▲ 15×4 topics
  18. Clinical Practice Guidelines7▲ 3.5×11 topics
  19. Guidelines6▲ 3.8×11 topics
  20. Critical Care6▲ 7.2×8 topics
  21. Health Outcomes6▲ 6.5×7 topics
  22. Mitochondrial Dysfunction6▲ 5.9×7 topics
  23. Pathogenesis6▲ 3.4×12 topics
  24. Heart Failure6▲ 3.9×9 topics
  25. Metabolic Regulation6▲ 10×5 topics
  26. Medical Education6▲ 6.3×10 topics
  27. Exercise6▲ 14×3 topics
  28. Patient Satisfaction6▲ 5.1×8 topics
  29. Type 2 Diabetes5▲ 6.5×4 topics
  30. Brown Adipose Tissue5▲ 30×1 topic
  31. Quality Improvement5▲ 7.4×8 topics
  32. Thermogenesis5▲ 30×1 topic
  33. Wnt Signaling5▲ 13×3 topics
  34. Macrophages5▲ 7.3×3 topics
  35. Sepsis5▲ 7.5×5 topics
  36. Chronic Disease Management5▲ 6.8×5 topics
  37. Hypothermia5▲ 18×2 topics
  38. Social Determinants5▲ 6.5×2 topics
  39. Survival Rates4▲ 13×2 topics
  40. Parathyroid Hormone4▲ 13×2 topics

Which research topics does MaineHealth publish most on?

By volume in 2022-now: Adipose Tissue and Metabolism, Cardiac Arrest and Resuscitation, Adipokines, Inflammation, and Metabolic Diseases and Bone health and osteoporosis research.

Adipose Tissue and Metab…5Adipose Tissue and Metabolism: 5 fractional worksCardiac Arrest and Resus…4Cardiac Arrest and Resuscitation: 4 fractional worksAdipokines, Inflammation…3Adipokines, Inflammation, and Metabolic Diseases: 3 fractional worksBone health and osteopor…3Bone health and osteoporosis research: 3 fractional worksVector-borne infectious diseases: 3 fractional worksEconomic and Financial Impacts of Cancer: 3 fractional worksChild and Adolescent Hea…3Child and Adolescent Health: 3 fractional worksOpioid Use Disorder Treatment: 3 fractional worksInnovations in Medical Education: 2 fractional worksAdolescent and Pediatric…2Adolescent and Pediatric Healthcare: 2 fractional works
PhysiologyEmergency MedicineEpidemiologyOrthopedics and Sports Medicine5 others

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

  1. 1 Adipose Tissue and Metabolism Physiology 5 works
  2. 2 Cardiac Arrest and Resuscitation Emergency Medicine 4 works
  3. 3 Adipokines, Inflammation, and Metabolic Diseases Epidemiology 3 works
  4. 4 Bone health and osteoporosis research Orthopedics and Sports Medicine 3 works
  5. 5 Vector-borne infectious diseases Parasitology 3 works
  6. 6 Economic and Financial Impacts of Cancer Economics and Econometrics 3 works
  7. 7 Child and Adolescent Health General Health Professions 3 works
  8. 8 Opioid Use Disorder Treatment Public Health, Environmental and Occupational Health 3 works
  9. 9 Innovations in Medical Education Public Health, Environmental and Occupational Health 2 works
  10. 10 Adolescent and Pediatric Healthcare Speech and Hearing 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 available53.0%not open47.0%

World: 40% of research is openly available.

with international co-authors15.6%domestic only84.4%

World: 18% is written across borders.

How has MaineHealth's research output changed?

Output in 2022-2025 was 87% higher than in 2018-2021.

still counting1990200020102020
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 MaineHealth as a percentage of every work published that year, 0.0016% in 2024.

still counting0.0010%0.0020%MaineHealth0.0017% in 202519801990200020102020

Fractional works of MaineHealth 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%30%all institutions10.0% in 2025MaineHealth8.7% in 202520102020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 21.4% in 2015.

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MaineHealth on Science Explorer

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