M. Schemper

15.2k total citations · 3 hit papers
186 papers, 11.0k citations indexed

About

M. Schemper is a scholar working on Surgery, Statistics and Probability and Pulmonary and Respiratory Medicine. According to data from OpenAlex, M. Schemper has authored 186 papers receiving a total of 11.0k indexed citations (citations by other indexed papers that have themselves been cited), including 40 papers in Surgery, 37 papers in Statistics and Probability and 26 papers in Pulmonary and Respiratory Medicine. Recurrent topics in M. Schemper's work include Statistical Methods and Inference (26 papers), Statistical Methods and Bayesian Inference (18 papers) and Advanced Statistical Methods and Models (14 papers). M. Schemper is often cited by papers focused on Statistical Methods and Inference (26 papers), Statistical Methods and Bayesian Inference (18 papers) and Advanced Statistical Methods and Models (14 papers). M. Schemper collaborates with scholars based in Austria, Germany and United States. M. Schemper's co-authors include Georg Heinze, Terry L. Smith, Gerald Maurer, Raphaël Rosenhek, Helmut Baumgartner, Thomas Binder, Iréne Lang, Harald Gabriel, Gerold Porenta and G Christ and has published in prestigious journals such as New England Journal of Medicine, The Lancet and Circulation.

In The Last Decade

M. Schemper

177 papers receiving 10.5k citations

Hit Papers

A note on quantifying follow-up in studies of failure time 1996 2026 2006 2016 1996 2002 2000 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. A note on quantifying follow-up in studies of failure time
    1996 1.9k citations M. Schemper et al. profile →
  2. A solution to the problem of separation in logistic regression
    2002 1.4k citations M. Schemper et al. Statistics in Medicine profile →
  3. Predictors of Outcome in Severe, Asymptomatic Aortic Stenosis
    2000 898 citations Raphaël Rosenhek, Thomas Binder et al. New England Journal of Medicine profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
M. Schemper Austria 43 2.6k 2.3k 2.1k 1.9k 1.7k 186 11.0k
Georg Heinze Austria 60 1.9k 0.7× 1.8k 0.8× 2.5k 1.2× 2.1k 1.1× 1.6k 0.9× 346 15.0k
Patricia M. Grambsch United States 34 1.3k 0.5× 2.0k 0.9× 2.5k 1.2× 2.7k 1.4× 1.9k 1.1× 75 16.0k
Roger Harbord United Kingdom 33 1.6k 0.6× 1.5k 0.7× 2.7k 1.3× 2.7k 1.4× 1.2k 0.7× 46 17.7k
Marinus J.C. Eijkemans Netherlands 74 2.0k 0.8× 1.9k 0.8× 2.7k 1.3× 2.3k 1.2× 948 0.5× 312 22.0k
Thomas Alexander Gerds Denmark 59 2.9k 1.1× 1.4k 0.6× 2.0k 0.9× 1.8k 0.9× 1.2k 0.7× 318 14.1k
Maria Blettner Germany 55 1.3k 0.5× 2.4k 1.0× 1.2k 0.6× 1.2k 0.6× 1.5k 0.9× 349 11.7k
Thomas A Trikalinos United States 59 1.7k 0.6× 1.5k 0.6× 2.7k 1.3× 2.8k 1.4× 1.5k 0.9× 243 18.9k
Keith R. Abrams United Kingdom 76 1.8k 0.7× 2.1k 0.9× 3.7k 1.8× 3.5k 1.8× 2.3k 1.3× 332 22.8k
Ben Van Calster Belgium 60 1.2k 0.5× 1.7k 0.8× 3.3k 1.6× 2.1k 1.1× 1.5k 0.8× 279 16.1k
Raphaël Porcher France 72 1.0k 0.4× 2.6k 1.1× 2.7k 1.3× 3.0k 1.6× 2.3k 1.3× 424 17.5k

Countries citing papers authored by M. Schemper

Since Specialization
Citations

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

Fields of papers citing papers by M. Schemper

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of M. Schemper

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

All Works

20 of 20 papers shown
1.
Vaňhara, Petr, Ahmed El‐Gazzar, Dietmar Pils, et al.. (2011). hVps37A Status Affects Prognosis and Cetuximab Sensitivity in Ovarian Cancer. Clinical Cancer Research. 17(24). 7816–7827. 37 indexed citations
2.
Rosenhek, Raphaël, Florian Rader, Ursula Klaar, et al.. (2006). Outcome of Watchful Waiting in Asymptomatic Severe Mitral Regurgitation. Circulation. 113(18). 2238–2244. 322 indexed citations
3.
Sacu, Stefan, Clemens Vass, M. Schemper, & Georg Rainer. (2004). Self‐tonometry with the Ocuton S: evaluation of accuracy in glaucoma patients. Acta Ophthalmologica Scandinavica. 82(4). 405–409. 10 indexed citations
4.
Nardi, Alessandra & M. Schemper. (2003). Comparing Cox and parametric models in clinical studies. Statistics in Medicine. 22(23). 3597–3610. 93 indexed citations
5.
Schemper, M.. (2003). Predictive accuracy and explained variation. Statistics in Medicine. 22(14). 2299–2308. 116 indexed citations
6.
Rosenhek, Raphaël, Thomas Binder, Gerold Porenta, et al.. (2000). Predictors of Outcome in Severe, Asymptomatic Aortic Stenosis. New England Journal of Medicine. 343(9). 611–617. 898 indexed citations breakdown →
7.
Maier, Harald, M. Schemper, Bernhard Ortel, et al.. (1996). Skin Tumors in Photochemotherapy for Psoriasis: A Single-Center Follow-Up of 496 Patients. Dermatology. 193(3). 185–191. 54 indexed citations
8.
Obermair, Andreas, et al.. (1994). Influence of Tumoral Microvessel Density on the Recurrence-Free Survival in Human Breast Cancer: Preliminary Results. Oncology Research and Treatment. 17(1). 44–49. 17 indexed citations
9.
Vavra, N., H. Kucera, Ursula Denison, et al.. (1992). Nicotine Abuse as a Prognostic Factor in Stage Ib Cervical Carcinoma. Oncology Research and Treatment. 15(4). 295–299. 1 indexed citations
10.
Rosén, Harald, Chaya Moroz, Angelika Reiner, et al.. (1992). Expression of p43 in breast cancer tissue, correlation with prognostic parameters. Cancer Letters. 67(1). 35–45. 8 indexed citations
11.
Vavra, N., et al.. (1992). Prognosefaktoren des radikal operierten Zervixkarzinoms im Stadium Ib. Geburtshilfe und Frauenheilkunde. 52(3). 157–160. 2 indexed citations
12.
Schemper, M.. (1991). Generalized Rank Transformations for Tests of Survival. Biometrical Journal. 33(1). 73–79. 1 indexed citations
13.
Schemper, M.. (1991). Simple Nonparametric Inference for Monotonic Processes. Biometrical Journal. 33(4). 387–392. 1 indexed citations
14.
Hackl, Werner O., W Mauritz, M. Schemper, et al.. (1990). PREDICTION OF MALIGNANT HYPERTHERMIA SUSCEPTIBILITY: STATISTICAL EVALUATION OF CLINICAL SIGNS. British Journal of Anaesthesia. 64(4). 425–429. 22 indexed citations
15.
Schemper, M.. (1989). A Closed‐form Jackknife Solution for the Behrens‐Fisher Problem. Biometrical Journal. 31(8). 931–939. 1 indexed citations
16.
Waldhauser, Franz, Harris R. Lieberman, Harry J. Lynch, et al.. (1987). A Pharmacological Dose of Melatonin Increases PRL Levels in Males without Altering Those of GH, LH, FSH, TSH, Testosterone or Cortisol. Neuroendocrinology. 46(2). 125–130. 67 indexed citations
17.
Schemper, M.. (1987). One‐ and Two‐Sample Tests of Kendall's τ. Biometrical Journal. 29(8). 1003–1009. 3 indexed citations
18.
Jakesz, R., et al.. (1986). [Breast cancer in Austria: epidemiology and risk factors].. PubMed. 98(1). 1–7. 2 indexed citations
19.
Schemper, M.. (1986). General Derivation of Intraclass Correlation Coefficients. Biometrical Journal. 28(4). 485–489. 3 indexed citations
20.
Starlinger, M, W. Appel, M. Schemper, & R Schiessel. (1985). Long-Term Treatment of Peptic Esophageal Stenosis with Dilatation and Cimetidine: Factors Influencing Clinical Result. European Surgical Research. 17(4). 207–214. 14 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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