Per Winkel

16.1k total citations · 2 hit papers
174 papers, 6.6k citations indexed

About

Per Winkel is a scholar working on Cardiology and Cardiovascular Medicine, Epidemiology and Surgery. According to data from OpenAlex, Per Winkel has authored 174 papers receiving a total of 6.6k indexed citations (citations by other indexed papers that have themselves been cited), including 27 papers in Cardiology and Cardiovascular Medicine, 25 papers in Epidemiology and 24 papers in Surgery. Recurrent topics in Per Winkel's work include Clinical Laboratory Practices and Quality Control (11 papers), Statistical Methods in Clinical Trials (10 papers) and Hormonal and reproductive studies (9 papers). Per Winkel is often cited by papers focused on Clinical Laboratory Practices and Quality Control (11 papers), Statistical Methods in Clinical Trials (10 papers) and Hormonal and reproductive studies (9 papers). Per Winkel collaborates with scholars based in Denmark, United States and Sweden. Per Winkel's co-authors include Christian Gluud, Jørn Wetterslev, Janus Christian Jakobsen, Bernard E. Statland, Theis Lange, Henning Bokelund, Jane Lindschou, Erik Kjøller, Jens Kastrup and Hans Jørn Kolmos and has published in prestigious journals such as The Lancet, Circulation and SHILAP Revista de lepidopterología.

In The Last Decade

Per Winkel

168 papers receiving 6.3k citations

Hit Papers

align trajectories

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.

When and how should multiple imputation be used for handling missing data in randomised clinical trials – a practical guide with flowcharts

2017 1.6k citations Janus Christian Jakobsen, Christian Gluud et al. profile →
Thresholds for statistical and clinical significance in systematic reviews with meta-analytic methods

2014 508 citations Janus Christian Jakobsen, Jørn Wetterslev et al. profile →

Peers

Countries citing papers authored by Per Winkel

Since Specialization

Citations

This map shows the geographic impact of Per Winkel'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 Per Winkel with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Per Winkel more than expected).

Fields of papers citing papers by Per Winkel

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Per Winkel. 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 Per Winkel. The network helps show where Per Winkel may publish in the future.

Co-authorship network of co-authors of Per Winkel

This figure shows the co-authorship network connecting the top 25 collaborators of Per Winkel. A scholar is included among the top collaborators of Per Winkel 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 Per Winkel. Per Winkel is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Prognostic value of 12 novel cardiological biomarkers in stable coronary artery disease. A 10-year follow-up of the placebo group of the Copenhagen CLARICOR trial 2020 ·BMJ Open ·Per Winkel, Janus Christian Jakobsen, Jørgen Hilden, Gorm Boje Jensen, Erik Kjøller, Ahmad Sajadieh, Jens Kastrup, Hans Jørn Kolmos, Kasper Iversen, Mette Bjerre, Anders Larsson, Johan Ärnlöv, Christian Gluud	1
2	Power estimations for non-primary outcomes in randomised clinical trials 2019 ·BMJ Open ·Janus Christian Jakobsen, Christian Ovesen, Per Winkel, Jørgen Hilden, Christian Gluud, Jørn Wetterslev	20
3	Cathepsin B and S as markers for cardiovascular risk and all-cause mortality in patients with stable coronary heart disease during 10 years: a CLARICOR trial sub-study 2018 ·Atherosclerosis ·(unknown), Jørgen Hilden, (unknown), Jens Kastrup, Ahmad Sajadieh, Gorm Boje Jensen, Erik Kjøller, Hans Jørn Kolmos, Anders Larsson, Janus Christian Jakobsen, Per Winkel, Christian Gluud, Axel C. Carlsson, Johan Ärnlöv	30
4	Early rehabilitation after coronary artery bypass grafting - results from the SheppHeartCABG trial 2017 ·European Journal of Preventive Cardiology ·(unknown), Philip Moons, (unknown), (unknown), Christian Gluud, Per Winkel, Jane Lindschou, Lau Caspar Thygesen, Ingrid Egerod, (unknown)	0
5	Antenatal small-class education versus auditorium-based lectures to promote positive transitioning to parenthood – A randomised trial 2017 ·PLoS ONE ·Vibeke Koushede, Carina Sjöberg Brixval, Lau Caspar Thygesen, (unknown), Per Winkel, Jane Lindschou, Christian Gluud, Pernille Due	15
6	Effect of antenatal education in small classes versus standard auditorium-based lectures on use of pain relief during labour and of obstetric interventions: results from the randomised NEWBORN trial 2016 ·BMJ Open ·Carina Sjöberg Brixval, Lau Caspar Thygesen, (unknown), Christian Gluud, Per Winkel, Jane Lindschou, Tom Weber, Pernille Due, Vibeke Koushede	39
7	Effect of escitalopram versus placebo on GRα messenger RNA expression in peripheral blood cells of healthy individuals with a family history of depression – a secondary outcome analysis from the randomized AGENDA trial 2016 ·Nordic Journal of Psychiatry ·Ulla Knorr, Pernille Koefoed, Christian Gluud, Jørn Wetterslev, Per Winkel, Ulrik Gether, Maj Vinberg, Lars Vedel Kessing	5
8	Selenium supplementation for patients with Graves� hyperthyroidism (the GRASS trial): study protocol for a randomized controlled trial 2013 ·Trials ·Torquil Watt, Per Karkov Cramon, Jakob Bue Bjørner, Steen Joop Bonnema, Ulla Feldt‐Rasmussen, Christian Gluud, Jeppe Gram, Jane Lindschou Hansen, (unknown), Nils Knudsen, (unknown), (unknown), Birte Nygaard, Flemming Pociot, Maria Skoog, Per Winkel, S. Rasmussen	53
9	The effect of integrated cardiac rehabilitation versus treatment as usual for atrial fibrillation patients treated with ablation: the randomised CopenHeart _RFA trial protocol 2013 ·BMJ Open ·Signe Stelling Risom, Ann‐Dorthe Zwisler, Trine Bernholdt Rasmussen, Kirstine Lærum Sibilitz, Jesper Hastrup Svendsen, Christian Gluud, Jane Lindschou Hansen, Per Winkel, Lau Caspar Thygesen, Merja Perhonen, Jim Hansen, Sandra B. Dunbar, Selina Kikkenborg Berg	19
10	The CopenHeartSF trial—comprehensive sexual rehabilitation programme for male patients with implantable cardioverter defibrillator or ischaemic heart disease and impaired sexual function: protocol of a randomised clinical trial 2013 ·BMJ Open ·Pernille Palm, Ann‐Dorthe Zwisler, Jesper Hastrup Svendsen, Marianne Sjølin Frederiksen, Jane Lindschou, Per Winkel, Christian Gluud, Annamaria Giraldi, Elaine E. Steinke, Tiny Jaarsma, Selina Kikkenborg Berg	17
11	Serum YKL-40 predicts long-term mortality in patients with stable coronary disease: A prognostic study within the CLARICOR trial 2012 ·Immunobiology ·(unknown), Jens Peter Gøtze, Per Winkel, Julia S. Johansen, Jørgen Fischer Hansen, Gorm Boje Jensen, Jørgen Hilden, Erik Kjøller, Hans Jørn Kolmos, Christian Gluud, Jens Kastrup	26
12	Excess Sudden Cardiac Deaths after Short-Term Clarithromycin Administration in the CLARICOR Trial: Why Is This So, and Why Are Statins Protective? 2011 ·Cardiology ·Per Winkel, Jørgen Hilden, Jørgen Fischer Hansen, Per Hildebrandt, Jens Kastrup, Hans Jørn Kolmos, Erik Kjøller, Christian M. Jespersen, Christian Gluud, Gorm Boje Jensen, (unknown)	26
13	ExStroke Pilot Trial of the effect of repeated instructions to improve physical activity after ischaemic stroke: a multinational randomised controlled clinical trial 2009 ·BMJ ·(unknown), Lars-Henrik Krarup, (unknown), (unknown), Janika Kõrv, Grethe Andersen, Christian Gluud, Anders Degn Pedersen, (unknown), (unknown), Per Winkel, Thomas Truelsen, (unknown)	100
14	Monitoring small cell lung cancer (SCLC) by serum neuron specific enolase (S-NSE) analyses using dynamic linear models 1996 ·VBN Forskningsportal (Aalborg Universitet) ·Lone Jørgensen, Susanne Gammelgaard Bøttcher, Eva Christensen, Søren Lundbye‐Christensen, Per Winkel	1
15	A novel method for monitoring high-risk breast cancer with tumor markers: CA 15.3 compared to CEA and TPA 1993 ·Annals of Oncology ·(unknown), Dorte Nielsen, Vibeke Schiøler, Torben Skovsgaard, Per Winkel, Henning T. Mouridsen, P Dombernowsky	22
16	Adjusted-dose intravenous heparin treatment evaluation of an automated and a non automated schedule 1988 ·Thrombosis Research ·Peter Felding, A. Bremmelgaard, Per Winkel	3
17	Effects of Preanalytical Factors on the Intraindividual Variation of Analytes in the Blood of Healthy Subjects: Consideration of Preparation of the Subject and Time of Venipuncture 1977 ·CRC Critical Reviews in Clinical Laboratory Sciences ·Bernard E. Statland, Per Winkel	50
18	Factors contributing to intra-individual variation of serum constituents: Physiological day-to-day variation in concentrations of 10 specific proteins in sera of healthy subjects. 1976 ·Munich Personal RePEc Archive (Ludwig Maximilian University of Munich) ·Bernard E. Statland, Per Winkel, (unknown)	35
19	Cytophotometry of feulgen-naphtol yellow S stained liver cells--a computerized method for the calculation of nuclear protein. 1976 ·Munich Personal RePEc Archive (Ludwig Maximilian University of Munich) ·Janne E. Gaub, Per Winkel, L Ranek	10
20	Diagnostic value of routine liver tests. 1975 ·Munich Personal RePEc Archive (Ludwig Maximilian University of Munich) ·Per Winkel, (unknown), Jørgen Lyngbye, Niels Tygstrup	30

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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