Wolkewitz, M.: search on Z-Library

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1

Improving nested case-control studies to conduct a full competing-risks analysis for nosocomial infections

Hazard, Derek, Schumacher, Martin, Palomar-Martinez, Mercedes, Alvarez-Lerma, Francisco, Olaechea-Astigarraga, Pedro, Wolkewitz, Martin

Journal:

Infection Control and Hospital Epidemiology

Year:

2018

Language:

english

File:

PDF, 206 KB

english, 2018

2

Statistical Analysis of Clinical COVID-19 Data: A Concise Overview of Lessons Learned, Common Errors and How to Avoid Them

Wolkewitz, Martin, Lambert, Jerome, von Cube, Maja, Bugiera, Lars, Grodd, Marlon, Hazard, Derek, White, Nicole, Barnett, Adrian, Kaier, Klaus

Journal:

Clinical Epidemiology

Year:

2020

File:

PDF, 283 KB

2020

3

Microhardness of Composite Materials With Different Organic Phases in Deep Class II Cavities: An In Vitro Study

Tchorz, JP, Doll, R, Wolkewitz, M, Hellwig, E, Hannig, C

Journal:

Operative Dentistry

Year:

2011

Language:

english

File:

PDF, 705 KB

english, 2011

4

Effect of carbamide peroxide and hydrogen peroxide on enamel surface: an in vitro study

Thaer Abouassi, Martin Wolkewitz, Petra Hahn

Journal:

Clinical Oral Investigations

Year:

2011

Language:

english

File:

PDF, 346 KB

english, 2011

5

Influence of preparation design and ceramic thicknesses on fracture resistance and failure modes of premolar partial coverage restorations

Guess, Petra C., Schultheis, Stefan, Wolkewitz, Martin, Zhang, Yu, Strub, Joerg R.

Journal:

The Journal of Prosthetic Dentistry

Year:

2013

Language:

english

File:

PDF, 475 KB

english, 2013

6

Infectious disease consultation for candidaemia

Lambert, Jerome, von Cube, Maja, Biard, Lucie, Rieg, Siegbert, Wolkewitz, Martin

Journal:

The Lancet Infectious Diseases

Year:

2020

Language:

english

File:

PDF, 367 KB

english, 2020

7

Prevention of hospital infections by intervention and training (PROHIBIT): results of a pan-European cluster-randomized multicentre study to reduce central venous catheter-related bloodstream infections

van der Kooi, Tjallie, Sax, Hugo, Pittet, Didier, van Dissel, Jaap, van Benthem, Birgit, Walder, Bernhard, Cartier, Vanessa, Clack, Lauren, de Greeff, Sabine, Wolkewitz, Martin, Hieke, Stefanie, Boshu

Journal:

Intensive Care Medicine

Year:

2017

Language:

english

File:

PDF, 1.15 MB

english, 2017

8

Competing risks need to be considered in survival analysis models for cardiovascular outcomes

Huebner, Marianne, Wolkewitz, Martin, Enriquez-Sarano, Maurice, Schumacher, Martin

Journal:

The Journal of Thoracic and Cardiovascular Surgery

Year:

2017

Language:

english

File:

PDF, 435 KB

english, 2017

9

In vivo study of the initial bacterial adhesion on different implant materials

Al-Ahmad, A., Wiedmann-Al-Ahmad, M., Fackler, A., Follo, M., Hellwig, E., Bächle, M., Hannig, C., Han, J.-S., Wolkewitz, M., Kohal, R.

Journal:

Archives of Oral Biology

Year:

2013

Language:

english

File:

PDF, 1.20 MB

english, 2013

10

Burden of antimicrobial resistance in European hospitals: excess mortality and length of hospital stay associated with bloodstream infections due to Escherichia coli resistant to third-generation cephalosporins

de Kraker, M. E. A., Wolkewitz, M., Davey, P. G., Koller, W., Berger, J., Nagler, J., Icket, C., Kalenic, S., Horvatic, J., Seifert, H., Kaasch, A., Paniara, O., Argyropoulou, A., Bompola, M., Smyth,

Journal:

Journal of Antimicrobial Chemotherapy

Year:

2011

Language:

english

File:

PDF, 271 KB

english, 2011

11

Bond strength of composite resin to glass ceramic after saliva contamination

Frank Nikolaus, Martin Wolkewitz, Petra Hahn

Journal:

Clinical Oral Investigations

Year:

2013

Language:

english

File:

PDF, 209 KB

english, 2013

12

The impact of time-dependent bias in proportional hazards modelling

Jan Beyersmann, Martin Wolkewitz, Martin Schumacher

Journal:

Statistics in Medicine

Year:

2008

Language:

english

File:

PDF, 307 KB

english, 2008

13

Health and Economic Impacts of Antibiotic Resistance in European Hospitals – Outlook on the BURDEN Project

K. Kaier, C. Wilson, M. Chalkley, P. G. Davey, C. Suetens, H. Grundmann, M. de Kraker, M. Schumacher, M. Wolkewitz, U. Frank

Journal:

Year:

2008

Language:

english

File:

PDF, 202 KB

english, 2008

14

Basic parametric analysis for a multi-state model in hospital epidemiology

von Cube, Maja, Schumacher, Martin, Wolkewitz, Martin

Journal:

BMC Medical Research Methodology

Year:

2017

Language:

english

File:

PDF, 1.02 MB

english, 2017

15

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

Jan Beyersmann, Petra Gastmeier, Martin Wolkewitz, Martin Schumacher

Journal:

Journal of Clinical Epidemiology

Year:

2008

Language:

english

File:

PDF, 239 KB

english, 2008

16

Simulation shows undesirable results for competing risks analysis with time-dependent covariates for clinical outcomes

Poguntke, Inga, Schumacher, Martin, Beyersmann, Jan, on behalf of COMBACTE-MAGNET Consor, Martin Wolkewitz

Journal:

BMC Medical Research Methodology

Year:

2018

Language:

english

File:

PDF, 618 KB

english, 2018

17

Application of multistate models in hospital epidemiology: Advances and challenges

Jan Beyersmann, Martin Wolkewitz, Arthur Allignol, Nadine Grambauer, Martin Schumacher

Journal:

Biometrical Journal

Year:

2011

Language:

english

File:

PDF, 302 KB

english, 2011

18

Time-dependent study entries and exposures in cohort studies can easily be sources of different and avoidable types of bias

Wolkewitz, Martin, Allignol, Arthur, Harbarth, Stephan, de Angelis, Giulia, Schumacher, Martin, Beyersmann, Jan

Journal:

Journal of Clinical Epidemiology

Year:

2012

Language:

english

File:

PDF, 291 KB

english, 2012

19

Necessity of a Competing Risk Approach in Risk Factor Analysis of Central Line–Associated Bloodstream Infection

Weber, Susanne, von Cube, Maja, Sommer, Harriet, Wolkewitz, Martin

Journal:

Infection Control and Hospital Epidemiology

Year:

2016

Language:

english

File:

PDF, 240 KB

english, 2016

20

Rationale and design of ASPIRE-ICU: a prospective cohort study on the incidence and predictors of Staphylococcus aureus and Pseudomonas aeruginosa pneumonia in the ICU

Paling, Fleur P., Troeman, Darren P. R., Wolkewitz, Martin, Kalyani, Rubana, Prins, Daniël R., Weber, Susanne, Lammens, Christine, Timbermont, Leen, Goossens, Herman, Malhotra-Kumar, Surbhi, Sifakis,

Journal:

BMC Infectious Diseases

Year:

2017

Language:

english

File:

PDF, 415 KB

english, 2017

21

Beneficial effects of head-elevation during Controlled Automated Reperfusion of the WhoLe Body (CARL) in the pig model

Damjanovic, Domagoj, Haberstroh, Joerg, Foerster, Katharina, Wolkewitz, Martin, Taunyane, Itumeleng, Liu, Yechi, Pooth, Jan-Steffen, Fastenau, Rita, Frensch, Fabienne, Neubert, Tabea, Wieser, Manuela,

Journal:

Year:

2018

Language:

english

File:

PDF, 47 KB

english, 2018

22

Risk factors disrupting mucosal integrity and subsequent vancomycin-resistant enterococcus infection

Jan Beyersmann, Jörg Meerpohl, Markus Dettenkofer, Martin Wolkewitz, Martin Schumacher

Journal:

Pediatric Blood & Cancer

Year:

2010

Language:

english

File:

PDF, 27 KB

english, 2010

23

Elution of monomers from three different bonding systems and their antibacterial effect

Olga Polydorou,Philipp Rogatti,Richard Bolek,Martin Wolkewitz…

Journal:

Year:

2013

Language:

english

File:

PDF, 262 KB

english, 2013

24

Evapotranspiration, pan evaporation and soil water relationships for wheat (Triticum aestivum)

Singh, Pratap, Wolkewitz, Hermann

Journal:

Agricultural Water Management

Year:

1988

Language:

english

File:

PDF, 815 KB

english, 1988

25

Multiple time scales in modeling the incidence of infections acquired in intensive care units

Wolkewitz, Martin, Cooper, Ben S., Palomar-Martinez, Mercedes, Alvarez-Lerma, Francisco, Olaechea-Astigarraga, Pedro, Barnett, Adrian G., Schumacher, Martin

Journal:

BMC Medical Research Methodology

Year:

2016

Language:

english

File:

PDF, 762 KB

english, 2016

26

Correction of survival bias in a study about increased mortality of heads of government

Fecker, Julian, Schumacher, Martin, Ohneberg, Kristin, Wolkewitz, Martin

Journal:

The American Statistician

Year:

2019

Language:

english

File:

PDF, 639 KB

english, 2019

27

Carotid geometry is an independent predictor of wall thickness â a 3D cardiovascular magnetic resonance study in patients with high cardiovascular risk

Strecker, Christoph, Krafft, Axel Joachim, Kaufhold, Lilli, HÃ¼llebrandt, Markus, Weber, Susanne, Ludwig, Ute, Wolkewitz, Martin, Hennemuth, Anja, Hennig, JÃ¼rgen, Harloff, Andreas

Journal:

Journal of Cardiovascular Magnetic Resonance

Year:

2020

File:

PDF, 4.71 MB

2020

28

Efficacy of tooth bleaching with and without light activation and its effect on the pulp temperature: an in vitro study

Hahn, Petra, Schondelmaier, Nina, Wolkewitz, Martin, Altenburger, Markus Jörg, Polydorou, Olga

Journal:

Year:

2013

Language:

english

File:

PDF, 195 KB

english, 2013

29

Evaluating mortality in an intensive care unit requires extended survival models

Martin Wolkewitz,Harriet Sommer

Journal:

Critical Care (BioMed Central)

Year:

2014

Language:

english

File:

PDF, 106 KB

english, 2014

30

Estimating the Risk of Ventilator-associated Pneumonia as a Function of Time

Year:

2015

Language:

english

File:

PDF, 426 KB

english, 2015

31

Prospektive randomisierte Studie beim fortgeschrittenen Magenkarzinom: Vergleich der Kombination von 5-Fluorouracil und Carmustin ohne und mit Adriamycin

Queißer, W., Schnitzler, G., Heim, M. E., König, H., Katz, R., Fritze, D., Herrmann, R., Arnold, H., Henß, H., Trux, F., Bloch, R., Keymling, M., Wolkewitz, K. D., Fritsch, H., Hanisch, I., Brumen, L.

Journal:

DMW - Deutsche Medizinische Wochenschrift

Year:

1984

Language:

german

File:

PDF, 1.09 MB

german, 1984

32

Relative risk and population-attributable fraction of ICU death caused by susceptible and resistant Pseudomonas aeruginosa ventilator-associated pneumonia: a competing risks approach to investigate the OUTCOMEREA database

von Cube, Maja K., Timsit, Jean-Francois, Sommer, Harriet, Darmon, Michael, Schwebel, Carole, Bailly, Sebastien, Souweine, Bertrand, Wolkewitz, Martin

Journal:

Intensive Care Medicine

Year:

2018

Language:

english

File:

PDF, 891 KB

english, 2018

33

Determining the Attributable Costs of Clostridium difficile Infections When Exposure Time Is Lacking: Be Wary of “Conditioning on the Future”

Heister, Thomas, Wolkewitz, Martin, Kaier, Klaus

Journal:

Infection Control and Hospital Epidemiology

Year:

2018

Language:

english

File:

PDF, 55 KB

english, 2018

34

The effects of cyclic loading and preparation on the fracture strength of zirconium-dioxide implants: an in vitro investigation

Ralf J. Kohal, Martin Wolkewitz, Anastasia Tsakona

Journal:

Clinical Oral Implants Research

Year:

2011

Language:

english

File:

PDF, 428 KB

english, 2011

35

Implementing strategic bundles for infection prevention and management

K. Kaier, C. Wilson, M. Hulscher, H. Wollersheim, A. Huis, M. Borg, E. Scicluna, M.-L. Lambert, M. Palomar, E. Tacconelli, G. De Angelis, M. Schumacher, M. Wolkewitz, E.-M. Kleissle, U. Frank

Journal:

Year:

2012

Language:

english

File:

PDF, 176 KB

english, 2012

36

Simulating and analysing infectious disease data in a heterogeneous population with migration

Martin Wolkewitz, Martin Schumacher

Journal:

Computer Methods and Programs in Biomedicine

Year:

2011

Language:

english

File:

PDF, 851 KB

english, 2011

37

Evaluation of Guided Bone Regeneration around Oral Implants over Different Healing Times Using Two Different Bovine Bone Materials: A Randomized, Controlled Clinical and Histological Investigation

Kohal, Ralf Joachim, Straub, Lisa Marie, Wolkewitz, Martin, Bächle, Maria, Patzelt, Sebastian Berthold Maximilian

Journal:

Clinical Implant Dentistry and Related Research

Year:

2014

Language:

english

File:

PDF, 866 KB

english, 2014

38

RE: “COMPARISON OF STATISTICAL APPROACHES FOR DEALING WITH IMMORTAL TIME BIAS IN DRUG EFFECTIVENESS STUDIES”

Wolkewitz, Martin, Beyersmann, Jan, Ohneberg, Kristin, Schumacher, Martin

Journal:

American Journal of Epidemiology

Year:

2016

Language:

english

File:

PDF, 42 KB

english, 2016

39

Neuraminidase Inhibitors and Hospital Mortality in British Patients with H1N1 Influenza A: A Re-Analysis of Observational Data

Wolkewitz, Martin, Schumacher, Martin, Nishiura, Hiroshi

Journal:

Year:

2016

Language:

english

File:

PDF, 321 KB

english, 2016

40

Estimation of adjusted expected excess length-of-stay associated with ventilation-acquired pneumonia in intensive care: A multistate approach accounting for time-dependent mechanical ventilation

Bluhmki, Tobias, Allignol, Arthur, Ruckly, Stephane, Timsit, Jean-Francois, Wolkewitz, Martin, Beyersmann, Jan

Journal:

Biometrical Journal

Year:

2018

Language:

english

File:

PDF, 552 KB

english, 2018

41

Multistate modelling to estimate the excess length of stay associated with meticillin-resistant Staphylococcus aureus colonisation and infection in surgical patients

G. De Angelis, A. Allignol, A. Murthy, M. Wolkewitz, J. Beyersmann, E. Safran, J. Schrenzel, D. Pittet, S. Harbarth

Journal:

Journal of Hospital Infection

Year:

2011

Language:

english

File:

PDF, 182 KB

english, 2011

42

All-ceramic partial coverage restorations—Midterm results of a 5-year prospective clinical splitmouth study

Petra C. Guess, Joerg R. Strub, Niclas Steinhart, Martin Wolkewitz, Christian F.J. Stappert

Journal:

Journal of Dentistry

Year:

2009

Language:

english

File:

PDF, 331 KB

english, 2009

43

The Importance of Good Data, Analysis, and Interpretation for Showing the Economics of Reducing Healthcare-Associated Infection •

Nicholas Graves, PhD, Adrian G. Barnett, PhD, Kate Halton, PhD, Christopher Crnich, MD, MS, Ben Cooper, PhD, Jan Beyersmann, PhD, Martin Wolkewitz, PhD, Matthew Samore, MD, Stephan Harbarth, MD, MS

Journal:

Infection Control and Hospital Epidemiology

Year:

2011

Language:

english

File:

PDF, 184 KB

english, 2011

44

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

Martin Wolkewitz,Ralf Peter Vonberg,Hajo Grundmann,Jan Beyersmann…

Journal:

Critical Care (BioMed Central)

Year:

2008

Language:

english

File:

PDF, 294 KB

english, 2008

45

Time series models of environmental exposures: Good predictions or good understanding

Barnett, Adrian G., Stephen, Dimity, Huang, Cunrui, Wolkewitz, Martin

Journal:

Environmental Research

Year:

2017

Language:

english

File:

PDF, 348 KB

english, 2017

46

Paediatric hospital-acquired bacteraemia in developing countries

Martin Wolkewitz, Susanna Di Termini, Ben Cooper, Joerg Meerpohl, Martin Schumacher

Journal:

Year:

2012

Language:

english

File:

PDF, 88 KB

english, 2012

47

Interpreting and comparing risks in the presence of competing events

Wolkewitz, M., Cooper, B. S., Bonten, M. J. M., Barnett, A. G., Schumacher, M.

Journal:

Year:

2014

Language:

english

File:

PDF, 1.34 MB

english, 2014

48

Key priorities in the prevention and control of healthcare-associated infection: a survey of European and other international infection prevention experts

Dettenkofer, Markus, Humphreys, Hilary, Saenz, Henri, Carlet, Jean, Hanberger, Håkan, Ruef, Christian, Widmer, Andreas, Wolkewitz, Martin, Cookson, Barry

Journal:

Year:

2016

Language:

english

File:

PDF, 562 KB

english, 2016

49

Pre- and post-diagnostic beta-blocker use and prognosis after colorectal cancer: Results from a population-based study

Jansen, Lina, Weberpals, Janick, Kuiper, Josephina G., Vissers, Pauline A.J., Wolkewitz, Martin, Hoffmeister, Michael, Brenner, Hermann

Journal:

International Journal of Cancer

Year:

2017

Language:

english

File:

PDF, 725 KB

english, 2017

50

Abdominal aortic aneurysm neck remodeling after Anaconda stent graft implantation

Vukovic, Elisabeth, Czerny, Martin, Beyersdorf, Friedhelm, Wolkewitz, Martin, Berezowski, Mikolaj, Siepe, Matthias, Blanke, Philipp, Rylski, Bartosz

Journal:

Journal of Vascular Surgery

Year:

2018

Language:

english

File:

PDF, 1.17 MB

english, 2018

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