Keld Østergaard

3.2k total citations · 1 hit paper
15 papers, 2.5k citations indexed

About

Keld Østergaard is a scholar working on Rheumatology, Pharmacology and Immunology and Allergy. According to data from OpenAlex, Keld Østergaard has authored 15 papers receiving a total of 2.5k indexed citations (citations by other indexed papers that have themselves been cited), including 11 papers in Rheumatology, 8 papers in Pharmacology and 5 papers in Immunology and Allergy. Recurrent topics in Keld Østergaard's work include Osteoarthritis Treatment and Mechanisms (11 papers), Inflammatory mediators and NSAID effects (6 papers) and Cell Adhesion Molecules Research (5 papers). Keld Østergaard is often cited by papers focused on Osteoarthritis Treatment and Mechanisms (11 papers), Inflammatory mediators and NSAID effects (6 papers) and Cell Adhesion Molecules Research (5 papers). Keld Østergaard collaborates with scholars based in Denmark, United Kingdom and Netherlands. Keld Østergaard's co-authors include Donald M. Salter, Steffen Gay, Sergio A. Jiménez, Peter A. Revell, Kenneth P. H. Pritzker, J.-P. Pelletier, Wim B. van den Berg, Jørgen Holm Petersen, Klaus Bendtzen and Claus B. Andersen and has published in prestigious journals such as Spine, Annals of the Rheumatic Diseases and Osteoarthritis and Cartilage.

In The Last Decade

Keld Østergaard

15 papers receiving 2.5k citations

Hit Papers

Osteoarthritis cartilage histopathology: grading and staging 2005 2026 2012 2019 2005 500 1000 1.5k
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Osteoarthritis cartilage histopathology: grading and staging
    2005 1.9k citations Kenneth P. H. Pritzker, Steffen Gay et al. Osteoarthritis and Cartilage profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Keld Østergaard Denmark 11 1.9k 688 586 551 306 15 2.5k
Ada A. Cole United States 29 1.8k 1.0× 720 1.0× 467 0.8× 433 0.8× 370 1.2× 44 2.7k
Sanshiro Hashimoto United States 26 2.4k 1.3× 867 1.3× 980 1.7× 720 1.3× 372 1.2× 44 3.7k
Reinout Stoop Netherlands 30 1.1k 0.6× 730 1.1× 601 1.0× 225 0.4× 206 0.7× 53 2.7k
Y.M. Bastiaansen-Jenniskens Netherlands 30 1.9k 1.0× 1.0k 1.5× 671 1.1× 417 0.8× 359 1.2× 82 3.3k
E.L. Vitters Netherlands 32 2.3k 1.2× 579 0.8× 1.2k 2.1× 692 1.3× 252 0.8× 80 3.2k
Glyn D. Palmer United States 23 958 0.5× 488 0.7× 656 1.1× 255 0.5× 184 0.6× 43 2.1k
Gabriella Cs‐Szabó United States 26 915 0.5× 567 0.8× 459 0.8× 628 1.1× 158 0.5× 38 2.2k
Tim J. M. Welting Netherlands 30 1.3k 0.7× 712 1.0× 1.1k 1.9× 702 1.3× 157 0.5× 122 3.2k
Tracey Blanchet Canada 9 2.5k 1.3× 731 1.1× 929 1.6× 807 1.5× 209 0.7× 12 3.1k
Brian O. Diekman United States 25 2.0k 1.1× 726 1.1× 1.4k 2.4× 460 0.8× 191 0.6× 45 4.1k

Countries citing papers authored by Keld Østergaard

Since Specialization
Citations

This map shows the geographic impact of Keld Østergaard's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Keld Østergaard with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Keld Østergaard more than expected).

Fields of papers citing papers by Keld Østergaard

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Keld Østergaard. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Keld Østergaard. The network helps show where Keld Østergaard may publish in the future.

Co-authorship network of co-authors of Keld Østergaard

This figure shows the co-authorship network connecting the top 25 collaborators of Keld Østergaard. A scholar is included among the top collaborators of Keld Østergaard based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Keld Østergaard. Keld Østergaard is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

15 of 15 papers shown
1.
Østergaard, Keld, et al.. (2009). [Herpes zoster incidence in persons above 50 years of age].. PubMed. 171(26). 2194–7. 6 indexed citations
2.
Østergaard, Keld, Richard Philipson, Rachel Hodge, et al.. (2008). Evaluation of GW406381 for treatment of osteoarthritis of the knee: two randomized, controlled studies.. PubMed. 10(11). 259–259. 15 indexed citations
3.
Østergaard, Keld, et al.. (2007). [The effect of glucosamine sulphate on the blood levels of cholesterol or triglycerides--a clinical study].. PubMed. 169(5). 407–10. 2 indexed citations
4.
Pritzker, Kenneth P. H., Steffen Gay, Sergio A. Jiménez, et al.. (2005). Osteoarthritis cartilage histopathology: grading and staging. Osteoarthritis and Cartilage. 14(1). 13–29. 1861 indexed citations breakdown →
5.
Østergaard, Keld, et al.. (2003). Topographic and zonal distribution of tenascin in human articular cartilage from femoral heads: normal versus mild and severe osteoarthritis. Osteoarthritis and Cartilage. 11(3). 217–227. 22 indexed citations
6.
Østergaard, Keld, et al.. (2002). Histochemical studies of the extracellular matrix of human articular cartilage—a review. Osteoarthritis and Cartilage. 10(5). 333–343. 60 indexed citations
7.
Østergaard, Keld, et al.. (2002). [Osteoarthritis. Pathogenesis, clinical features and treatment].. PubMed. 164(24). 3173–9. 7 indexed citations
8.
Manniche, Claus, Keld Østergaard, & Alan Jordan. (2002). [Training of back and neck in the year of 2002].. PubMed. 164(14). 1910–3. 1 indexed citations
9.
Volck, Birgitte, Julia S. Johansen, Michael Stoltenberg, et al.. (2001). Studies on YKL-40 in knee joints of patients with rheumatoid arthritis and osteoarthritis. Involvement of YKL-40 in the joint pathology. Osteoarthritis and Cartilage. 9(3). 203–214. 159 indexed citations
10.
Jordan, Alan, J. Mehlsen, Per Bülow, Keld Østergaard, & Bente Danneskiold‐Samsøe. (1999). Maximal Isometric Strength of the Cervical Musculature in 100 Healthy Volunteers. Spine. 24(13). 1343–1343. 133 indexed citations
11.
Østergaard, Keld, Claus B. Andersen, Jørgen Holm Petersen, Klaus Bendtzen, & Donald M. Salter. (1999). Validity of histopathological grading of articular cartilage from osteoarthritic knee joints. Annals of the Rheumatic Diseases. 58(4). 208–213. 87 indexed citations
12.
Østergaard, Keld & Donald M. Salter. (1998). Immunohistochemistry in the Study of Normal and Osteoarthritic Articular Cartilage. Progress in Histochemistry and Cytochemistry. 33(2). III–165. 16 indexed citations
13.
Østergaard, Keld, et al.. (1998). Expression of α and β subunits of the integrin superfamily in articular cartilage from macroscopically normal and osteoarthritic human femoral heads. Annals of the Rheumatic Diseases. 57(5). 303–308. 68 indexed citations
14.
Østergaard, Keld, Jørgen Holm Petersen, Claus B. Andersen, Klaus Bendtzen, & Donald M. Salter. (1997). Histologic/histochemical grading system for osteoarthritic articular cartilage. Reproducibility and validity. Arthritis & Rheumatism. 40(10). 1766–1771. 72 indexed citations
15.
Østergaard, Keld, D. M. Salter, Claus B. Andersen, Jørgen Holm Petersen, & Klaus Bendtzen. (1997). CD44 expression is up‐regulated in the deep zone of osteoarthritic cartilage from human femoral heads. Histopathology. 31(5). 451–459. 31 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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