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Topic · Surgery

Total Knee Arthroplasty Outcomes

Total Knee Arthroplasty Outcomes is a research topic within Surgery. Science Explorer counts 62k research works in it since 1950. 9.8% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the projections, outcomes, and epidemiology of arthroplasty surgeries, particularly total knee and hip replacements, in the United States. It covers topics such as patient satisfaction, revision surgery, alignment, complications, and health-related quality of life following arthroplasty procedures.

  • Arthroplasty
  • Total Knee Replacement
  • Total Hip Replacement
  • Patient Satisfaction
  • Revision Surgery
  • Epidemiology
  • Outcomes
  • Alignment
  • Complications
  • Health-Related Quality of Life
Research works
62k
fractional, since 1950
In the world top 10%
6.1k
per year above
Top-10% rate
9.8%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+21%
the tick is no change
Largest producer
United States
38% of the 10 largest, 2022-now

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

Which countries lead Total Knee Arthroplasty Outcomes research?

By volume, the United States and China publish the most (4.5k and 1.8k works in 2022-now).

By volume, 2022-now

  1. 1 United States 4.5k works
  2. 2 China 1.8k works
  3. 3 United Kingdom 1k works
  4. 4 Japan 930 works
  5. 5 India 840 works
  6. 6 Germany 834 works
  7. 7 Italy 513 works
  8. 8 France 469 works
  9. 9 Canada 456 works
  10. 10 Australia 454 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: 38.4%China: 15.1%United Kingdom: 8.5%Japan: 7.9%6 others listed: 30.1%38%largest
United States4,545 · 38.4%China1,783 · 15.1%United Kingdom1,003 · 8.5%Japan930 · 7.9%6 others listed3,566 · 30.1%

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

Which institutions lead Total Knee Arthroplasty Outcomes research?

By volume in 2022-now, Memorial Sloan Kettering Cancer Center publishes the most Total Knee Arthroplasty Outcomes research, followed by Harvard University and Mayo Clinic.

Who are the leading researchers in Total Knee Arthroplasty Outcomes?

The most-cited researchers publishing on Total Knee Arthroplasty Outcomes include Theo Vos, George Davey Smith and Julian P. T. Higgins.

  1. 1 Theo Vos United States 439k citations
  2. 2 George Davey Smith United Kingdom 435k citations
  3. 3 Julian P. T. Higgins United Kingdom 390k citations
  4. 4 Hermann Brenner Germany 343k citations
  5. 5 Cyrus Cooper United Kingdom 342k citations
  6. 6 Jun Wang China 340k citations
  7. 7 Gordon Henry Guyatt Canada 315k citations
  8. 8 Dan J. Stein South Africa 306k citations
  9. 9 Peter Jüni Switzerland 303k citations
  10. 10 Róbert Langer United States 303k 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 Total Knee Arthroplasty Outcomes?

The most cited paper in Total Knee Arthroplasty Outcomes is "Projections of Primary and Revision Hip and Knee Arthroplasty in the United States from 2005 to 2030" (Steven Michael Kurtz, Kevin L. Ong, Edmund Lau et al., 2007), with 6,934 citations. Next come "Treatment of Deep Cartilage Defects in the Knee with Autologous Chondrocyte Transplantation" (5,558) and "Rating Systems in the Evaluation of Knee Ligament Injuries" (4,635).

Most cited papers
#PaperReleasedCitations
1 Projections of Primary and Revision Hip and Knee Arthroplasty in the United States from 2005 to 2030 Steven Michael Kurtz, Kevin L. Ong, Edmund Lau et al. · Journal of Bone and Joint Surgery Apr 2007 6,934
2 Treatment of Deep Cartilage Defects in the Knee with Autologous Chondrocyte Transplantation Mats Brittberg, Anders H. Lindahl, Anders Nilsson et al. · New England Journal of Medicine Open access 6 Oct 1994 5,558
3 Rating Systems in the Evaluation of Knee Ligament Injuries Yelverton Tegner, Jack Lysholm · Clinical Orthopaedics and Related Research Sep 1985 4,635
4 Rationale, of The Knee Society Clinical Rating System John N. Insall, Lawrence D. Dorr, Richard D. Scott et al. · Clinical Orthopaedics and Related Research Nov 1989 4,578
5 Knee Injury and Osteoarthritis Outcome Score (KOOS)—Development of a Self-Administered Outcome Measure Ewa Maria Roos, Harald P. Roos, Stefan L. Lohmander et al. · Journal of Orthopaedic and Sports Physical Therapy Aug 1998 3,945
All 98 most cited papers, with filters and sorting

Where is Total Knee Arthroplasty Outcomes research done?

The largest centres of Total Knee Arthroplasty Outcomes research in 2022-now are New York (United States), Beijing (China), Seoul (South Korea) and London (United Kingdom). Among places with at least 20 works in it, it is an unusually large share of all research in Vail.

Largest cities, 2022-now

  1. 1 New YorkUnited States 443 works
  2. 2 BeijingChina 261 works
  3. 3 SeoulSouth Korea 231 works
  4. 4 LondonUnited Kingdom 220 works
  5. 5 TokyoJapan 177 works
  6. 6 BostonUnited States 176 works
  7. 7 PhiladelphiaUnited States 170 works
  8. 8 ChicagoUnited States 161 works
  9. 9 BaltimoreUnited States 147 works
  10. 10 ShanghaiChina 146 works

Where it is the local speciality

  1. VailUS · 22.8 works93×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Total Knee Arthroplasty Outcomes than the world average.

See Total Knee Arthroplasty Outcomes on the map

Where is the best place to study Total Knee Arthroplasty Outcomes?

Among universities, judged by research, Harvard University, Università Campus Bio-Medico and University of Gothenburg 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%10%20%mean 15.43%fractional works in this field (log) →share of work in the world top 10% →Università Campus Bi…University of Gothen…Harvard UniversityNew York 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.

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 75.113.6%3.6×164 +6.5%
2Università Campus Bio-MedicoItaly 73.122.8%13.9×20 +94.9%
3University of GothenburgSweden 70.916.8%5.3×35 +14.1%
4New York UniversityUnited States 68.28.5%8.1×130 +32.6%
5University of EdinburghUnited Kingdom 68.119.6%3.1×39 +7.0%
6Duke UniversityUnited States 67.913.7%5.2×61 +31.2%
7University of Southern CaliforniaUnited States 67.215.6%4.0×48 +76.6%
8University of BaselSwitzerland 65.918.0%5.6×30 +66.8%
9Peking UniversityChina 65.311.9%3.6×105 +46.9%
10Sichuan UniversityChina 63.913.8%2.4×78 +21.2%

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 Total Knee Arthroplasty Outcomes, country by country

Is Total Knee Arthroplasty Outcomes research growing?

Output in 2022-2025 was 21% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Total Knee Arthroplasty Outcomes.

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 Total Knee Arthroplasty Outcomes as a percentage of every work published that year, 0.068% in 2024.

still counting0.025%0.050%0.075%Total Knee Arthroplasty Outcomes0.070% in 202519801990200020102020

Fractional works of Total Knee Arthroplasty 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%Total Knee Arthroplasty Outcomes9.8% 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.

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