Wolkewitz M - Search Results

1

Interpreting and comparing risks in the presence of competing events.

Wolkewitz M, Cooper BS, Bonten MJ, Barnett AG, Schumacher M. Wolkewitz M, et al. BMJ. 2014 Aug 21;349:g5060. doi: 10.1136/bmj.g5060. BMJ. 2014. PMID: 25146097 Free article. No abstract available.

2

Accurate variance estimation for prevalence ratios.

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

3

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. Among authors: wolkewitz m. Methods Inf Med. 2007;46(5):595-600. Methods Inf Med. 2007. PMID: 17938785

4

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. Crit Care. 2008;12(2):R44. doi: 10.1186/cc6852. Epub 2008 Apr 2. Crit Care. 2008. PMID: 18384672 Free PMC article.

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: wolkewitz 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. Stat Med. 2008 Dec 30;27(30):6522-31. doi: 10.1002/sim.3419. Stat Med. 2008. PMID: 18759371

7

Regression modelling in hospital epidemiology: a statistical note.

Wolkewitz M, Beyersmann J, Gastmeier P, Schumacher M. Wolkewitz M, et al. Crit Care. 2008;12(5):427. doi: 10.1186/cc6991. Epub 2008 Sep 4. Crit Care. 2008. PMID: 18828871 Free PMC article. No abstract available.

8

The impact of time-dependent bias in proportional hazards modelling.

Beyersmann J, Wolkewitz M, Schumacher M. Beyersmann J, et al. Among authors: wolkewitz m. Stat Med. 2008 Dec 30;27(30):6439-54. doi: 10.1002/sim.3437. Stat Med. 2008. PMID: 18837068

9

Modeling the effect of time-dependent exposure on intensive care unit mortality.

Wolkewitz M, Beyersmann J, Gastmeier P, Schumacher M. Wolkewitz M, et al. Intensive Care Med. 2009 May;35(5):826-32. doi: 10.1007/s00134-009-1423-6. Epub 2009 Jan 31. Intensive Care Med. 2009. PMID: 19183943

10

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. Methods Inf Med. 2009;48(5):438-43. doi: 10.3414/ME9241. Epub 2009 Aug 5. Methods Inf Med. 2009. PMID: 19657545

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