Schumacher M - Search Results

1

Accurate variance estimation for prevalence ratios.

Wolkewitz M, Bruckner T, Schumacher M. Wolkewitz M, et al. Among authors: schumacher m. Methods Inf Med. 2007;46(5):567-71. doi: 10.1160/me0416. Methods Inf Med. 2007. PMID: 17938780

2

Attributable mortality due to nosocomial infections. A simple and useful application of multistate models.

Schumacher M, Wangler M, Wolkewitz M, Beyersmann J. Schumacher M, et al. Methods Inf Med. 2007;46(5):595-600. Methods Inf Med. 2007. PMID: 17938785

3

Efficient risk set sampling when a time-dependent exposure is present: matching for time to exposure versus exposure density sampling.

Wolkewitz M, Beyersmann J, Gastmeier P, Schumacher M. Wolkewitz M, et al. Among authors: schumacher m. Methods Inf Med. 2009;48(5):438-43. doi: 10.3414/ME9241. Epub 2009 Aug 5. Methods Inf Med. 2009. PMID: 19657545

4

Analysis of Clinical Cohort Data Using Nested Case-control and Case-cohort Sampling Designs. A Powerful and Economical Tool.

Ohneberg K, Wolkewitz M, Beyersmann J, Palomar-Martinez M, Olaechea-Astigarraga P, Alvarez-Lerma F, Schumacher M. Ohneberg K, et al. Among authors: schumacher m. Methods Inf Med. 2015;54(6):505-14. doi: 10.3414/ME14-01-0113. Epub 2015 Jun 25. Methods Inf Med. 2015. PMID: 26108707

5

An easy mathematical proof showed that time-dependent bias inevitably leads to biased effect estimation.

Beyersmann J, Gastmeier P, Wolkewitz M, Schumacher M. Beyersmann J, et al. Among authors: schumacher m. J Clin Epidemiol. 2008 Dec;61(12):1216-1221. doi: 10.1016/j.jclinepi.2008.02.008. Epub 2008 Jul 10. J Clin Epidemiol. 2008. PMID: 18619803

6

Statistical epidemic modeling with hospital outbreak data.

Wolkewitz M, Dettenkofer M, Bertz H, Schumacher M, Huebner J. Wolkewitz M, et al. Among authors: schumacher m. Stat Med. 2008 Dec 30;27(30):6522-31. doi: 10.1002/sim.3419. Stat Med. 2008. PMID: 18759371

7

Risk factors for the development of nosocomial pneumonia and mortality on intensive care units: application of competing risks models.

Wolkewitz M, Vonberg RP, Grundmann H, Beyersmann J, Gastmeier P, Bärwolff S, Geffers C, Behnke M, Rüden H, Schumacher M. Wolkewitz M, et al. Among authors: schumacher m. Crit Care. 2008;12(2):R44. doi: 10.1186/cc6852. Epub 2008 Apr 2. Crit Care. 2008. PMID: 18384672 Free PMC article.

8

Interventions to control nosocomial infections: study designs and statistical issues.

Wolkewitz M, Barnett AG, Palomar Martinez M, Frank U, Schumacher M; IMPLEMENT Study Group. Wolkewitz M, et al. Among authors: schumacher m. J Hosp Infect. 2014 Feb;86(2):77-82. doi: 10.1016/j.jhin.2013.09.015. Epub 2013 Oct 18. J Hosp Infect. 2014. PMID: 24286854 Free article. Review.

9

Analyzing the impact of depth of response on survival in patients with metastatic non-small-cell lung cancer.

Weber S, Wolkewitz M, Schumacher M. Weber S, et al. Among authors: schumacher m. Ann Oncol. 2018 Jan 1;29(1):282-283. doi: 10.1093/annonc/mdx558. Ann Oncol. 2018. PMID: 29045521 Free article. No abstract available.

10

Mortality associated with in-hospital bacteraemia caused by Staphylococcus aureus: a multistate analysis with follow-up beyond hospital discharge.

Wolkewitz M, Frank U, Philips G, Schumacher M, Davey P; BURDEN Study Group. Wolkewitz M, et al. Among authors: schumacher m. J Antimicrob Chemother. 2011 Feb;66(2):381-6. doi: 10.1093/jac/dkq424. Epub 2010 Nov 23. J Antimicrob Chemother. 2011. PMID: 21098543

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