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Subfield · Health Professions

Emergency Medical Services research

Emergency Medical Services is a subfield of Health Professions. Science Explorer counts 209k research works in it since 1950. 10.2% of them reached the world's top 10% most cited for their field and year.

In short: type of emergency service dedicated to providing out-of-hospital acute medical care and transport to definitive care.

Research works
209k
fractional, since 1950
In the world top 10%
21k
per year above
Top-10% rate
10.2%
share of its works in the world top 10%
Topics
7
Growth, 2018-21 → 2022-25
+8%
the tick is no change
Largest producer
United States
39% of the 10 largest, 2022-now
Emergency Medical Services

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

What is Emergency Medical Services research about, and what is growing?

By the world's output in 2021-25, its most used keywords are Disaster Response, Public Health, Catheter-Related Infections, Central Venous Catheterization, Child Care, Infection Control Measures. Gaining share since 2011-15: Disaster Response, Public Health. Losing share: Child Care, Infection Control Measures.

▲ gaining share of this field◆ holding its share▼ losing share

Size is the world's fractional works in 2021-25 in the topics tagged with each word; colour compares the word's share of this field with 2011-15. Each links to the topic it comes from most.

All 14 words, with their numbers
  1. Disaster Response12k▲ 1.34×1 topic
  2. Public Health12k▲ 1.34×1 topic
  3. Catheter-Related Infections8,588◆ 1.03×1 topic
  4. Central Venous Catheterization8,588◆ 1.03×1 topic
  5. Child Care8,148▼ 0.67×1 topic
  6. Infection Control Measures8,148▼ 0.67×1 topic
  7. Health Workforce7,841◆ 1.14×1 topic
  8. Rural Health7,841◆ 1.14×1 topic
  9. Medical Errors6,410◆ 0.93×1 topic
  10. Patient Safety Culture6,410◆ 0.93×1 topic
  11. Epidemiology4,156◆ 1.05×1 topic
  12. Traumatic Dental Injuries4,156◆ 1.05×1 topic
  13. Operating Room3,246◆ 1.02×1 topic
  14. Scheduling3,246◆ 1.02×1 topic

Which countries lead Emergency Medical Services research?

On research quality in 2022-now, the United States, China and the United Kingdom rank highest in Emergency Medical Services. By volume, the United States and China publish the most (11k and 3k works in 2022-now).

By research quality, 2022-now

  1. 1 United States #1 all time 0.93× citation excellence · 1.59× journals · 100% breadth 10.4% top 10% · 9.7k works
  2. 2 China #6 all time 1.41× citation excellence · 1.02× journals · 100% breadth 15.5% top 10% · 2.6k works
  3. 3 United Kingdom #2 all time 0.98× citation excellence · 1.44× journals · 100% breadth 11.5% top 10% · 2.5k works
  4. 4 Australia #3 all time 1.46× citation excellence · 1.19× journals · 100% breadth 16.0% top 10% · 1.5k works
  5. 5 Germany #4 all time 1.43× citation excellence · 1.39× journals · 100% breadth 12.1% top 10% · 937 works
  6. 6 Canada #5 all time 1.16× citation excellence · 1.20× journals · 100% breadth 12.1% top 10% · 1.2k works
  7. 7 Netherlands #7 all time 1.64× citation excellence · 1.45× journals · 100% breadth 17.5% top 10% · 380 works
  8. 8 France #9 all time 1.25× citation excellence · 1.26× journals · 100% breadth 9.2% top 10% · 745 works
  9. 9 Switzerland #8 all time 1.47× citation excellence · 1.86× journals · 100% breadth 15.7% top 10% · 291 works
  10. 10 Sweden #11 all time 1.71× citation excellence · 1.38× journals · 100% breadth 20.5% top 10% · 284 works

The track on each row is that row's top-10% rate. The ranking itself is the quality score, which compares the rate with what each place's own topics predict, adds its share of papers in the Nature Index journals, and counts output and breadth too.

Of 33 countries ranked in Emergency Medical Services. Ranked on the quality score for 2022-now; the bracket is the all-time rank.

All countries ranked in Emergency Medical Services

By volume, 2022-now

  1. 1 United States 11k works
  2. 2 China 3k works
  3. 3 United Kingdom 2.8k works
  4. 4 India 2.3k works
  5. 5 Australia 1.7k works
  6. 6 Brazil 1.7k works
  7. 7 Türkiye 1.6k works
  8. 8 Canada 1.4k works
  9. 9 Japan 1.3k works
  10. 10 Germany 1.1k 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: 39.3%China: 10.9%United Kingdom: 10.0%India: 8.3%6 others listed: 31.5%39%largest
United States11k · 39.3%China3,038 · 10.9%United Kingdom2,786 · 10.0%India2,326 · 8.3%6 others listed8,803 · 31.5%

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

Which institutions lead Emergency Medical Services research?

Harvard University (United States) ranks first in Emergency Medical Services on research quality in 2022-now, followed by Johns Hopkins University and Stanford University.

By research quality, 2022-now

  1. 1 Harvard University United States · Cambridge · #1 all time 15.9% top 10% · 337 works
  2. 2 Johns Hopkins University United States · Baltimore · #2 all time 13.8% top 10% · 162 works
  3. 3 Stanford University United States · Stanford · #7 all time 12.1% top 10% · 99 works
  4. 4 University of Michigan United States · Ann Arbor · #3 all time 13.6% top 10% · 129 works
  5. 5 University of Pennsylvania United States · Philadelphia · #9 all time 12.0% top 10% · 102 works
  6. 6 University of Toronto Canada · Toronto · #5 all time 13.0% top 10% · 174 works
  7. 7 The University of Queensland Australia · Brisbane · #14 all time 16.6% top 10% · 113 works
  8. 8 University of Washington United States · Seattle · #8 all time 12.1% top 10% · 97 works
  9. 9 University of California, San Francisco United States · San Francisco · #6 all time 13.2% top 10% · 83 works
  10. 10 Yale University United States · New Haven · #11 all time 13.8% top 10% · 89 works

The track on each row is that row's top-10% rate. The ranking itself is the quality score, which compares the rate with what each place's own topics predict, adds its share of papers in the Nature Index journals, and counts output and breadth too.

Of 54 institutions above the floor of 40 fractional works in Emergency Medical Services.

Top 100 Emergency Medical Services institutions

By volume, 2022-now

  1. 1 Harvard UniversityUnited States 378 works
  2. 2 University of North Carolina at Chapel HillUnited States 214 works
  3. 3 University of TorontoCanada 197 works
  4. 4 Johns Hopkins UniversityUnited States 182 works
  5. 5 All India Institute of Medical SciencesIndia 148 works
  6. 6 University of MichiganUnited States 143 works
  7. 7 United States Department of Veterans AffairsUnited States 132 works
  8. 8 Mayo ClinicUnited States 131 works
  9. 9 The University of QueenslandAustralia 130 works
  10. 10 BMJ Group (United Kingdom) 125 works

Who are the leading researchers in Emergency Medical Services?

Counting only their work in Emergency Medical Services, David Westfall Bates, Charles A. Vincent and Peter J. Pronovost have the most papers in the world top 10% for their subfield and year beyond the 10% expected.

  1. 1 David Westfall Bates United States · #12,274 worldwide overall 47.6 of 111 papers here in the top 10%
  2. 2 Charles A. Vincent United Kingdom · #135,563 worldwide overall 33.9 of 78 papers here in the top 10%
  3. 3 Peter J. Pronovost United States · #34,747 worldwide overall 35.7 of 112 papers here in the top 10%
  4. 4 Jens Ove Andreasen Denmark · #39,704 worldwide overall 36.7 of 78 papers here in the top 10%
  5. 5 Michael Allon United States · #50,182 worldwide overall 31.3 of 77 papers here in the top 10%
  6. 6 David Wayne Johnson Australia · #138,841 worldwide overall 27.4 of 59 papers here in the top 10%
  7. 7 Claire M. Rickard Australia · #246,302 worldwide overall 34.4 of 125 papers here in the top 10%
  8. 8 Sandro Galea United States · #60,473 worldwide overall 26.2 of 93 papers here in the top 10%
  9. 9 Nick Sevdalis United Kingdom · #50,028 worldwide overall 23.1 of 65 papers here in the top 10%
  10. 10 Dennis G. Maki United States · #27,897 worldwide overall 17.7 of 31 papers here in the top 10%

Ranked on their work in Emergency Medical Services alone: how many more of their papers here reached the world top 10% for their subfield and year than the 10% expected, among 795,883 ranked researchers with a paper here. Each paper counts once, so many strong papers outrank one famous one, and a long record of ordinary papers does not climb. Identities come from OpenAlex author disambiguation, which occasionally merges or splits people.

Top 100 Emergency Medical Services researchers

What are the most cited papers in Emergency Medical Services?

The most cited paper in Emergency Medical Services is "Guidelines for the Process of Cross-Cultural Adaptation of Self-Report Measures" (Dorcas Beaton, Claire Bombardier, Françis Guillemin et al., 2000), with 14,626 citations. Next come "Toll-like receptor signalling" (8,340) and "Global Strategy for the Diagnosis, Management, and Prevention of Chronic Obstructive Pulmonary Disease" (6,616).

Most cited papers
#PaperReleasedCitations
1 Guidelines for the Process of Cross-Cultural Adaptation of Self-Report Measures Dorcas Beaton, Claire Bombardier, Françis Guillemin et al. · Spine Dec 2000 14,626
2 Toll-like receptor signalling Shizuo Akira, Kiyoshi Takeda · Nature reviews. Immunology Review 30 Jun 2004 8,340
3 Global Strategy for the Diagnosis, Management, and Prevention of Chronic Obstructive Pulmonary Disease ROMAIN A. PAUWELS, A. Sonia Buist, PETER M. A. CALVERLEY et al. · American Journal of Respiratory and Critical Care Medicine Apr 2001 6,616
4 Health professionals for a new century: transforming education to strengthen health systems in an interdependent world Julio M. Frenk, Lincoln Chen, Zulfiqar Ahmed Bhutta et al. · The Lancet Open access 30 Nov 2010 6,031
5 A Surgical Safety Checklist to Reduce Morbidity and Mortality in a Global Population Alex Bernard Haynes, Thomas G. Weiser, William R. Berry et al. · New England Journal of Medicine Open access 14 Jan 2009 5,713
All 99 most cited papers, with filters and sorting

Where is Emergency Medical Services research done?

The largest centres of Emergency Medical Services research in 2022-now are London (United Kingdom), New York (United States), Boston (United States) and Beijing (China). Among places with at least 20 works in it, it is an unusually large share of all research in London and Sale.

Largest cities, 2022-now

  1. 1 LondonUnited Kingdom 827 works
  2. 2 New YorkUnited States 445 works
  3. 3 BostonUnited States 445 works
  4. 4 BeijingChina 423 works
  5. 5 IstanbulTürkiye 391 works
  6. 6 MelbourneAustralia 355 works
  7. 7 TokyoJapan 354 works
  8. 8 TehranIran 336 works
  9. 9 Washington D.C.United States 328 works
  10. 10 SeoulSouth Korea 325 works

Where it is the local speciality

  1. London129.9 works19×
  2. Sale26.0 works15×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Emergency Medical Services than the world average.

See Emergency Medical Services on the map

Emergency Medical Services research by country

The best places for Emergency Medical Services research inside each country, with that country's researchers and world standing.

Where is the best place to study Emergency Medical Services?

Among universities, judged by research, Harvard University, Johns Hopkins University and University of Michigan score highest, combining standing in the field's ranking, citation excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%10%20%mean 13.37%fractional works in this field (log) →share of work in the world top 10% →Harvard UniversityUniversity of MichiganJohns Hopkins Univer…University of Toronto
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.

Standingthis field's institution ranking, three quarters all time and a quarter 2022-now
50%
Citation excellenceshare of its work in the world top 10%, 2022-now and all time averaged
20%
Specialisationhow much of its work is in this field, counted up to 10× the world share
5%
Sizeits output in this field, on a log scale
15%
Growthoutput growth, counted from -20% to +20%
5%
Internationalshare of its work with a co-author abroad
5%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreRank in field (all time)Top 10%SpecialisationWorksGrowth
1Harvard UniversityUnited States 85.1#1 (#1)15.6%3.1×378 -6.5%
2Johns Hopkins UniversityUnited States 71.6#2 (#2)13.2%3.1×182 -18.0%
3University of MichiganUnited States 65.6#4 (#3)13.9%2.5×143 -12.4%
4University of TorontoCanada 63.6#6 (#5)12.4%2.5×197 -4.6%
5Stanford UniversityUnited States 60.1#3 (#7)12.4%1.9×110 +2.0%
6The University of QueenslandAustralia 58.0#7 (#14)16.0%3.6×130 +17.2%
7University of California, San FranciscoUnited States 57.3#9 (#6)12.9%3.4×94 -4.7%
8University of WashingtonUnited States 55.7#8 (#8)11.9%2.5×110 -4.7%
9University of PennsylvaniaUnited States 54.5#5 (#9)12.0%2.9×115 -12.2%
10Yale UniversityUnited States 52.8#10 (#11)13.4%2.3×97 +0.7%

Universities only. The score blends standing (50%), citation excellence (20%), size (15%), specialisation (5%), growth (5%), international reach (5%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise. Standing is the score in this field's institution ranking, three quarters over all time and a quarter 2022-now; excellence averages the two windows too. Four years alone undercount fields such as AI, where many conference and arXiv papers from 2022 on carry no affiliation in the data.

Every institution in Emergency Medical Services, country by country

Is Emergency Medical Services research growing?

Output in 2022-2025 was 8% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Global Health Workforce Issues, Healthcare Operations and Scheduling Optimization and Dental Trauma and Treatments.

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 Emergency Medical Services as a percentage of every work published that year, 0.18% in 2024.

still counting0.10%0.20%0.30%Emergency Medical Services0.18% in 202519801990200020102020

Fractional works of Emergency Medical Services 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%Emergency Medical Services10.2% 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.

  1. Global Health Workforce Issues+17%
  2. Healthcare Operations and Scheduling Optimization+15%
  3. Dental Trauma and Treatments+15%
  4. Central Venous Catheters and Hemodialysis+12%
  5. Patient Safety and Medication Errors+6%
  6. Disaster Response and Management+4%
  7. Pediatric health and respiratory diseases-2%
← shrinkingno changegrowing →

Growth in output from 2018-21 to 2022-25. Every topic is a page of its own.

What does Emergency Medical Services include?

Disaster Response and Ma…43kDisaster Response and Management: 43k fractional worksPediatric health and respiratory diseases: 42k fractional worksCentral Venous Catheters and Hemodialysis: 37k fractional worksGlobal Health Workforce …32kGlobal Health Workforce Issues: 32k fractional worksPatient Safety and Medic…25kPatient Safety and Medication Errors: 25k fractional worksDental Trauma and Treatments: 17k fractional worksHealthcare Operations and Scheduling Optimization: 13k fractional works

Area is fractional works in that topic. Every name below is a page of its own.

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Who leads Emergency Medical Services, on Science Explorer

A card with the countries and institutions that lead Emergency Medical Services, for a post or a slide.

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1200 × 630 PNG, sized for social posts, drawn from the latest snapshot.

The leading institutions' badges6Each links to that institution's page and updates with every snapshot

Discussion

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