Science Explorer Back to mapMap
Discussion
Topic · Epidemiology

Autoimmune and Inflammatory Disorders

Autoimmune and Inflammatory Disorders is a research topic within Epidemiology. Science Explorer counts 18k research works in it since 1950. 10.4% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the association between neutrophilic dermatoses, such as Pyoderma Gangrenosum and Sweet's Syndrome, and inflammatory bowel diseases. It covers various aspects including clinical features, treatment strategies, pathophysiology, and potential links with autoinflammatory skin disorders.

  • Pyoderma Gangrenosum
  • Sweet's Syndrome
  • Neutrophilic Dermatosis
  • Inflammatory Bowel Disease
  • Autoinflammatory Skin Disorders
  • Orofacial Granulomatosis
  • Erythema Elevatum Diutinum
  • Histiocytoid Sweet Syndrome
  • Vasculitis
  • Granulomatous Cheilitis
Research works
18k
fractional, since 1950
In the world top 10%
1.9k
per year above
Top-10% rate
10.4%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+12%
the tick is no change
Largest producer
United States
35% of the 10 largest, 2022-now
Autoimmune and Inflammatory Disorders

This ranks research output and citation impact. It says nothing about the quality of diagnosis, treatment or care.

Which countries lead Autoimmune and Inflammatory Disorders research?

By volume, the United States and China publish the most (900 and 315 works in 2022-now).

By volume, 2022-now

  1. 1 United States 900 works
  2. 2 China 315 works
  3. 3 India 241 works
  4. 4 Japan 188 works
  5. 5 Brazil 188 works
  6. 6 Spain 160 works
  7. 7 Germany 158 works
  8. 8 France 154 works
  9. 9 United Kingdom 150 works
  10. 10 Italy 146 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

United States: 34.6%China: 12.1%India: 9.3%Japan: 7.2%6 others listed: 36.8%35%largest
United States900 · 34.6%China315 · 12.1%India241 · 9.3%Japan188 · 7.2%6 others listed956 · 36.8%

Shares of the rows listed above, not of the whole node.

Which institutions lead Autoimmune and Inflammatory Disorders research?

By volume in 2022-now, Mayo Clinic publishes the most Autoimmune and Inflammatory Disorders research, followed by Harvard University and All India Institute of Medical Sciences.

By volume, 2022-now

  1. 1 Mayo ClinicUnited States 32 works
  2. 2 Harvard UniversityUnited States 31 works
  3. 3 All India Institute of Medical SciencesIndia 27 works
  4. 4 Sun Yat-sen UniversityChina 22 works
  5. 5 Zhejiang UniversityChina 21 works
  6. 6 Oregon Health & Science UniversityUnited States 19 works
  7. 7 Cleveland ClinicUnited States 19 works
  8. 8 Mount Sinai Health SystemUnited States 19 works
  9. 9 InsermFrance 17 works
  10. 10 Universidade de São PauloBrazil 17 works

Who are the leading researchers in Autoimmune and Inflammatory Disorders?

The most-cited researchers publishing on Autoimmune and Inflammatory Disorders include Rob Knight, Mark J. Daly and Jun Wang.

  1. 1 Rob Knight United States 468k citations
  2. 2 Mark J. Daly United States 403k citations
  3. 3 Jun Wang China 340k citations
  4. 4 Gordon Henry Guyatt Canada 315k citations
  5. 5 Dan J. Stein South Africa 306k citations
  6. 6 Reza Malekzadeh Iran 278k citations
  7. 7 Hagop M. Kantarjian United States 273k citations
  8. 8 Jean‐Louis Vincent Belgium 262k citations
  9. 9 Richard Anthony Flavell United States 237k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Autoimmune and Inflammatory Disorders?

The most cited paper in Autoimmune and Inflammatory Disorders is "Worldwide incidence and prevalence of inflammatory bowel disease in the 21st century: a systematic review of population-based studies" (Siew C. Ng, Hai Yun Shi, Nima Hamidi et al., 2017), with 6,147 citations. Next come "Measurement of Cutaneous Inflammation: Estimation of Neutrophil Content with an Enzyme Marker" (3,644) and "A SIMPLE INDEX OF CROHN'S-DISEASE ACTIVITY" (2,993).

Most cited papers
#PaperReleasedCitations
1 Worldwide incidence and prevalence of inflammatory bowel disease in the 21st century: a systematic review of population-based studies Siew C. Ng, Hai Yun Shi, Nima Hamidi et al. · The Lancet Review 16 Oct 2017 6,147
2 Measurement of Cutaneous Inflammation: Estimation of Neutrophil Content with an Enzyme Marker Peter P. Bradley, Dennis A. Priebat, Robert D. Christensen et al. · Journal of Investigative Dermatology Open access Mar 1982 3,644
3 A SIMPLE INDEX OF CROHN'S-DISEASE ACTIVITY Richard F. Harvey, J.M. Bradshaw · The Lancet Mar 1980 2,993
4 Vedolizumab as Induction and Maintenance Therapy for Crohn's Disease William J. Sandborn, Brian G. Feagan, Paul J. Rutgeerts et al. · New England Journal of Medicine Open access 21 Aug 2013 2,734
5 Infliximab Maintenance Therapy for Fistulizing Crohn's Disease Bruce E. Sands, Frank Anderson, Charles Noah Bernstein et al. · New England Journal of Medicine Open access 25 Feb 2004 2,234
All 100 most cited papers, with filters and sorting

Where is Autoimmune and Inflammatory Disorders research done?

The largest centres of Autoimmune and Inflammatory Disorders research in 2022-now are New York (United States), Beijing (China), Paris (France) and São Paulo (Brazil). Among places with at least 20 works in it, it is an unusually large share of all research in Tunis.

Largest cities, 2022-now

  1. 1 New YorkUnited States 57 works
  2. 2 BeijingChina 50 works
  3. 3 ParisFrance 50 works
  4. 4 São PauloBrazil 44 works
  5. 5 LondonUnited Kingdom 44 works
  6. 6 TokyoJapan 38 works
  7. 7 GuangzhouChina 35 works
  8. 8 IstanbulTürkiye 33 works
  9. 9 MoscowRussia 31 works
  10. 10 MadridSpain 30 works

Where it is the local speciality

  1. TunisTN · 24.5 works9.8×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Autoimmune and Inflammatory Disorders than the world average.

See Autoimmune and Inflammatory Disorders on the map

Where is the best place to study Autoimmune and Inflammatory Disorders?

Among universities, judged by research, Harvard University, Sun Yat-sen University and Oregon Health & Science University score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%20%40%mean 17.36%fractional works in this field (log) →share of work in the world top 10% →McGill UniversitySun Yat-sen UniversityOregon Health & Scie…Harvard University
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1Harvard UniversityUnited States 73.715.7%3.0×31 +15.0%
2Sun Yat-sen UniversityChina 67.219.1%3.2×22 +72.1%
3Oregon Health & Science UniversityUnited States 67.018.7%17.2×19 +70.0%
4McGill UniversityCanada 60.231.9%2.4×8 +39.8%
5Tel Aviv UniversityIsrael 59.013.0%5.9×15 +21.4%
6KU LeuvenBelgium 54.124.4%2.5×8 -22.9%
7Universitat de BarcelonaSpain 50.616.2%4.4×11 +12.3%
8Zhejiang UniversityChina 50.210.6%2.4×21 +115.9%
9All India Institute of Medical SciencesIndia 49.85.2%7.4×27 +67.8%
10Johns Hopkins UniversityUnited States 48.218.8%1.8×9 +18.9%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Autoimmune and Inflammatory Disorders, country by country

Is Autoimmune and Inflammatory Disorders research growing?

Output in 2022-2025 was 12% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Autoimmune and Inflammatory Disorders.

still counting19801990200020102020
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 Autoimmune and Inflammatory Disorders as a percentage of every work published that year, 0.016% in 2024.

still counting0.010%0.020%0.030%Autoimmune and Inflammatory Disorders0.016% in 202519801990200020102020

Fractional works of Autoimmune and Inflammatory Disorders 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.

still counting5%10%15%Autoimmune and Inflammatory Disorders10.3% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

Discussion

Ask a question or share a note about Autoimmune and Inflammatory Disorders. Posts are plain text and can be reported.