Schemper's research focuses on nonparametric estimation and testing methods,survival analysis,and particularly Cox regression models,logistic regression models,and explained variation in statistical models. He has been awarded Lifetime Honorary Memberships by both the International Society for Clinical Biostatistics (ISCB) and the Austro-Swiss Region (ROeS) of the International Biometric Society (IBS). According to Google Scholar,his work has been cited more than 21,000 times.
Schemper's academic career started as a biostatistician in 1977 and as an associate professor from 1985 at the (former) Medical Faculty of Vienna University. He was a visiting associate professor at the University of Texas in Houston,where he remained from 1987 to 1988. In 1991,he became a professor of clinical biostatistics at the Medical University of Vienna,[1] and later became an emeritus professor there.[2] In 1991,he founded the Institute of Clinical Biometrics at the Medical University of Vienna and remained its head until 2015.[3]
Research
Schemper has authored more than 300 publications,which have collectively received over 21,000 citations. His work spans both the application of statistics in medical research and the development of biostatistical methods.[4] His research has focused on quantifying the variation in outcomes explained by prognostic factors,[5] contributing conceptually to understanding the degrees of necessity and sufficiency of such factors in outcome modeling.[6] His methodological work has addressed the analysis of survival data under non-proportional hazards[7] and the development of solutions to the monotone likelihood problem in risk (Cox) regression.[8] He has also examined residuals in survival analysis[9] and the quantification of follow-up in studies of failure time.[10] In addition,his work includes the development of statistical methods for assessing the correlation between bivariate failure times under censoring,[11] as well as contributions to the treatment of missing data in regression analysis[12] and to nonparametric estimation and testing in survival analysis.[13]
Awards and honors
2016 –Honorary lifetime membership,International Society for Clinical Biostatistics[14]
2023 –Honorary lifetime membership,Austro-Swiss Region of the International Biometric Society (ROeS)[15]
Schemper, Michael; Henderson, Robin (2000). "Predictive Accuracy and Explained Variation in Cox Regression". Biometrics. 56 (1): 249-255. doi:10.1111/j.0006-341X.2000.00249.x.
Heinze, Georg; Schemper, Michael (2002). "A solution to the problem of separation in logistic regression". Statistics in Medicine. 21 (16): 2409–2419. doi:10.1002/sim.1047. ISSN1097-0258. PMID12210625.
Schemper, Michael (2003). "Predictive accuracy and explained variation". Statistics in Medicine. 22 (14): 2299–2308. doi:10.1002/sim.1486. ISSN1097-0258.
Wakounig, Samo; Heinze, Georg; Schemper, Michael (2015). "Non-parametric estimation of relative risk in survival and associated tests". Statistical Methods in Medical Research. 24 (6): 856–870. doi:10.1177/0962280211431022. ISSN0962-2802.
Gleiss, Andreas; Schemper, Michael (2019). "Quantifying degrees of necessity and of sufficiency in cause-effect relationships with dichotomous and survival outcomes". Statistics in Medicine. 38 (23): 4733–4748. doi:10.1002/sim.8331. ISSN1097-0258. PMID31386230.
↑ Momesso, Denise P.; Tuttle, R. Michael (June 2014). "Update on Differentiated Thyroid Cancer Staging". Endocrinology and Metabolism Clinics of North America. 43 (2): 401–421. doi:10.1016/j.ecl.2014.02.010. PMID24891169.
↑ Heber, Stefan; Pereyra, David; Schrottmaier, Waltraud C.; Kammerer, Kerstin; Santol, Jonas; Rumpf, Benedikt; Pawelka, Erich; Hanna, Markus; Scholz, Alexander; Liu, Markus; Hell, Agnes; Heiplik, Klara; Lickefett, Benno; Havervall, Sebastian; Traugott, Marianna T.; Neuböck, Matthias J.; Schörgenhofer, Christian; Seitz, Tamara; Firbas, Christa; Karolyi, Mario; Weiss, Günter; Jilma, Bernd; Thålin, Charlotte; Bellmann-Weiler, Rosa; Salzer, Helmut J. F.; Szepannek, Gero; Fischer, Michael J. M.; Zoufaly, Alexander; Gleiss, Andreas; Assinger, Alice (24 January 2022). "A Model Predicting Mortality of Hospitalized Covid-19 Patients Four Days After Admission: Development, Internal and Temporal-External Validation". Frontiers in Cellular and Infection Microbiology. 11 795026. doi:10.3389/fcimb.2021.795026.
↑ Bender, Ralf; Augustin, Thomas; Blettner, Maria (15 June 2005). "Generating survival times to simulate Cox proportional hazards models". Statistics in Medicine. 24 (11): 1713–1723. doi:10.1002/sim.2059. ISSN0277-6715. PMID15724232.
↑ Huang, Alexander C.; Orlowski, Robert J.; Xu, Xiaowei; Mick, Rosemarie; George, Sangeeth M.; Yan, Patrick K.; Manne, Sasikanth; Kraya, Adam A.; Wubbenhorst, Bradley; Dorfman, Liza; D'Andrea, Kurt; Wenz, Brandon M.; Liu, Shujing; Chilukuri, Lakshmi; Kozlov, Andrew; Carberry, Mary; Giles, Lydia; Kier, Melanie W.; Quagliarello, Felix; McGettigan, Suzanne; Kreider, Kristin; Annamalai, Lakshmanan; Zhao, Qing; Mogg, Robin; Xu, Wei; Blumenschein, Wendy M.; Yearley, Jennifer H.; Linette, Gerald P.; Amaravadi, Ravi K.; Schuchter, Lynn M.; Herati, Ramin S.; Bengsch, Bertram; Nathanson, Katherine L.; Farwell, Michael D.; Karakousis, Giorgos C.; Wherry, E. John; Mitchell, Tara C. (March 2019). "A single dose of neoadjuvant PD-1 blockade predicts clinical outcomes in resectable melanoma". Nature Medicine. 25 (3): 454–461. doi:10.1038/s41591-019-0357-y. ISSN1546-170X. PMC6699626. PMID30804515.
↑ Farcomeni, Alessio; Ventura, Laura (April 2012). "An overview of robust methods in medical research". Statistical Methods in Medical Research. 21 (2): 111–133. doi:10.1177/0962280210385865. ISSN1477-0334. PMID20974666.
↑ Ahluwalia, Manmeet S.; Reardon, David A.; Abad, Ajay P.; Curry, William T.; Wong, Eric T.; Figel, Sheila A.; Mechtler, Laszlo L.; Peereboom, David M.; Hutson, Alan D.; Withers, Henry G.; Liu, Song; Belal, Ahmed N.; Qiu, Jingxin; Mogensen, Kathleen M.; Dharma, Sanam S.; Dhawan, Andrew; Birkemeier, Meaghan T.; Casucci, Danielle M.; Ciesielski, Michael J.; Fenstermaker, Robert A. (1 March 2023). "Phase IIa Study of SurVaxM Plus Adjuvant Temozolomide for Newly Diagnosed Glioblastoma". Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology. 41 (7): 1453–1465. doi:10.1200/JCO.22.00996. ISSN1527-7755. PMC9995096. PMID36521103.
↑ Arboretti, Rosa; Fontana, Roberto; Pesarin, Fortunato; Salmaso, Luigi (December 2018). "Nonparametric combination tests for comparing two survival curves with informative and non-informative censoring". Statistical Methods in Medical Research. 27 (12): 3739–3769. doi:10.1177/0962280217710836. ISSN1477-0334. PMID28656794.
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