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Topic · General Health Professions

Primary Care and Health Outcomes

Primary Care and Health Outcomes is a research topic within General Health Professions. Science Explorer counts 55k research works in it since 1950. 10.1% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the contribution of primary care to health systems and health, emphasizing topics such as quality improvement, continuity of care, patient-centered medical home, pay for performance, health care quality, health system reform, clinical indicators, chronic disease management, and general practice.

  • Primary Care
  • Quality Improvement
  • Continuity of Care
  • Patient-Centered Medical Home
  • Pay for Performance
  • Health Care Quality
  • Health System Reform
  • Clinical Indicators
  • Chronic Disease Management
  • General Practice
Research works
55k
fractional, since 1950
In the world top 10%
5.5k
per year above
Top-10% rate
10.1%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+0%
the tick is no change
Largest producer
United States
54% of the 10 largest, 2022-now
Primary Care and Health Outcomes

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

Which countries lead Primary Care and Health Outcomes research?

By volume, the United States and the United Kingdom publish the most (3.4k and 951 works in 2022-now).

By volume, 2022-now

  1. 1 United States 3.4k works
  2. 2 United Kingdom 951 works
  3. 3 Canada 558 works
  4. 4 Australia 427 works
  5. 5 China 292 works
  6. 6 India 169 works
  7. 7 Brazil 142 works
  8. 8 Germany 134 works
  9. 9 Netherlands 133 works
  10. 10 South Africa 121 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: 53.7%United Kingdom: 15.0%Canada: 8.8%Australia: 6.7%6 others listed: 15.7%54%largest
United States3,396 · 53.7%United Kingdom951 · 15.0%Canada558 · 8.8%Australia427 · 6.7%6 others listed992 · 15.7%

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

Which institutions lead Primary Care and Health Outcomes research?

By volume in 2022-now, Harvard University publishes the most Primary Care and Health Outcomes research, followed by United States Department of Veterans Affairs and University of North Carolina at Chapel Hill.

By volume, 2022-now

  1. 1 Harvard UniversityUnited States 123 works
  2. 2 United States Department of Veterans AffairsUnited States 113 works
  3. 3 University of North Carolina at Chapel HillUnited States 95 works
  4. 4 University of TorontoCanada 94 works
  5. 5 Johns Hopkins UniversityUnited States 51 works
  6. 6 University of MichiganUnited States 48 works
  7. 7 University of WashingtonUnited States 47 works
  8. 8 University of PennsylvaniaUnited States 44 works
  9. 9 Stanford UniversityUnited States 41 works
  10. 10 University of California, San FranciscoUnited States 40 works

Who are the leading researchers in Primary Care and Health Outcomes?

The most-cited researchers publishing on Primary Care and Health Outcomes include David Moher, Douglas G. Altman and Ahmedin Jemal.

  1. 1 David Moher Canada 898k citations
  2. 2 Douglas G. Altman United Kingdom 862k citations
  3. 3 Ahmedin Jemal United States 761k citations
  4. 4 Christopher J L Murray United States 583k citations
  5. 5 Theo Vos United States 439k citations
  6. 6 George Davey Smith United Kingdom 435k citations
  7. 7 Ali H. Mokdad United States 429k citations
  8. 8 Zulfiqar Ahmed Bhutta Pakistan 371k citations
  9. 9 Ronald C. Kessler United States 360k citations
  10. 10 John J.V. McMurray United Kingdom 349k 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 Primary Care and Health Outcomes?

The most cited paper in Primary Care and Health Outcomes is "ROBINS-I: a tool for assessing risk of bias in non-randomised studies of interventions" (Jonathan A C Sterne et al., 2016), with 20,199 citations. Next come "Thematic Analysis" (13,867) and "Crossing the Quality Chasm: A New Health System for the 21st Century" (10,751).

Most cited papers
#PaperReleasedCitations
1 ROBINS-I: a tool for assessing risk of bias in non-randomised studies of interventions Jonathan A C Sterne et al. · BMJ Open access 12 Oct 2016 20,199
2 Thematic Analysis Lorelli S. Nowell, Jill M. Norris, Deborah White et al. · International Journal of Qualitative Methods Open access 2 Oct 2017 13,867
3 Crossing the Quality Chasm: A New Health System for the 21st Century Alastair Baker · BMJ 17 Nov 2001 10,751
4 Comorbidity Measures for Use with Administrative Data Anne Elixhauser, Claudia Steiner, Donald Robert Harris et al. · Medical Care 1998 10,043
5 Outcomes for Implementation Research: Conceptual Distinctions, Measurement Challenges, and Research Agenda Enola K. Proctor, Hiie Silmere, Ramesh Raghavan et al. · Administration and Policy in Mental Health and Mental Health Services Research Open access 18 Oct 2010 9,334
All 99 most cited papers, with filters and sorting

Where is Primary Care and Health Outcomes research done?

The largest centres of Primary Care and Health Outcomes research in 2022-now are London (United Kingdom), Boston (United States), Washington D.C. (United States) and Toronto (Canada). Among places with at least 20 works in it, it is an unusually large share of all research in London and Santa Monica.

Largest cities, 2022-now

  1. 1 LondonUnited Kingdom 275 works
  2. 2 BostonUnited States 143 works
  3. 3 Washington D.C.United States 134 works
  4. 4 TorontoCanada 134 works
  5. 5 New YorkUnited States 127 works
  6. 6 MelbourneAustralia 101 works
  7. 7 Chapel HillUnited States 92 works
  8. 8 PhiladelphiaUnited States 88 works
  9. 9 BaltimoreUnited States 84 works
  10. 10 Los AngelesUnited States 78 works

Where it is the local speciality

  1. London42.0 works34×
  2. Santa MonicaUS · 22.3 works17×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Primary Care and Health Outcomes than the world average.

See Primary Care and Health Outcomes on the map

Where is the best place to study Primary Care and Health Outcomes?

Among universities, judged by research, Harvard University, University of Toronto and University of California, San Francisco score highest, combining citation 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 16.94%fractional works in this field (log) →share of work in the world top 10% →Harvard UniversityJohns Hopkins Univer…University of Califo…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.

Citation 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 72.019.3%5.5×123 -13.4%
2University of TorontoCanada 66.710.9%6.6×94 +21.4%
3University of California, San FranciscoUnited States 60.214.3%8.1×40 +6.8%
4Johns Hopkins UniversityUnited States 56.916.0%4.8×52 -19.1%
5Fudan UniversityChina 54.239.7%0.8×9 +85.5%
6London School of Hygiene & Tropical MedicineUnited Kingdom 53.913.7%16.7×18 -6.7%
7Stanford UniversityUnited States 53.715.2%4.0×41 -4.7%
8The University of MelbourneAustralia 52.114.9%4.0×31 +52.4%
9Maastricht UniversityNetherlands 51.713.4%5.9×16 +10.2%
10McMaster UniversityCanada 51.612.0%6.4×26 +3.9%

Universities only. The score blends citation 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 Primary Care and Health Outcomes, country by country

Is Primary Care and Health Outcomes research growing?

Output in 2022-2025 was 0% higher than in 2018-2021, peaking in 2025.

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 Primary Care and Health Outcomes as a percentage of every work published that year, 0.036% in 2024.

still counting0.050%0.10%Primary Care and Health Outcomes0.037% in 202519801990200020102020

Fractional works of Primary Care and Health Outcomes 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%Primary Care and Health Outcomes10.0% 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.

Discussion

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