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List of works by Martin Schumacher

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Undue reliance on I(2) in assessing heterogeneity may mislead

scientific article
Recombinant human erythropoiesis-stimulating agents and mortality in patients with cancer: a meta-analysis of randomised trials

scientific article
Clinical outcomes of health-care-associated infections and antimicrobial resistance in patients admitted to European intensive-care units: a cohort study

scientific article published on 2 December 2010
How Does Empagliflozin Reduce Cardiovascular Mortality? Insights From a Mediation Analysis of the EMPA-REG OUTCOME Trial

scientific article published on 4 December 2017
An easy mathematical proof showed that time-dependent bias inevitably leads to biased effect estimation

scientific article
Treatment-effect estimates adjusted for small-study effects via a limit meta-analysis

scientific article published on 22 July 2010
Risk factors for the development of nosocomial pneumonia and mortality on intensive care units: application of competing risks models

scientific article published on 2 April 2008
Allowing for mandatory covariates in boosting estimation of sparse high-dimensional survival models

scientific article
Interpreting and comparing risks in the presence of competing events

scientific article published on 21 August 2014
The health and economic burden of bloodstream infections caused by antimicrobial-susceptible and non-susceptible Enterobacteriaceae and Staphylococcus aureus in European hospitals, 2010 and 2011: a multicentre retrospective cohort study

scientific article published on August 2016
Erythropoietin or Darbepoetin for patients with cancer - meta-analysis based on individual patient data

scientific article (publication date: 8 July 2009)
Simulating competing risks data in survival analysis

scientific article
Time-dependent covariates in the proportional subdistribution hazards model for competing risks

scientific article published on 22 April 2008
How many infections are caused by patient-to-patient transmission in intensive care units?

scientific article
The relationship between quality of research and citation frequency

scientific article published in September 2006
Understanding competing risks: a simulation point of view

scientific article published on June 3, 2011
Hospital-acquired infections--appropriate statistical treatment is urgently needed!

scientific article published on 14 September 2013
Assessment of survival prediction models based on microarray data

scientific article published on 7 May 2007
Proportional subdistribution hazards modeling offers a summary analysis, even if misspecified

scientific article published on March 30, 2010
Mortality associated with in-hospital bacteraemia caused by Staphylococcus aureus: a multistate analysis with follow-up beyond hospital discharge

scientific article published on November 23, 2010
The impact of time-dependent bias in proportional hazards modelling

scientific article published in December 2008
Modeling the effect of time-dependent exposure on intensive care unit mortality

scientific article published on 31 January 2009
Time-dependent study entries and exposures in cohort studies can easily be sources of different and avoidable types of bias

scientific article published in November 2012
Nosocomial infection, length of stay, and time-dependent bias

scientific article
Clinical research projects at a German medical faculty: follow-up from ethical approval to publication and citation by others

scientific article published on September 2008
Adapting prediction error estimates for biased complexity selection in high-dimensional bootstrap samples

scientific article published on 14 March 2008
Boosting for high-dimensional time-to-event data with competing risks

scientific article
Incorporating pathway information into boosting estimation of high-dimensional risk prediction models

scientific article published on 13 January 2009
Simpson's paradox visualized: the example of the rosiglitazone meta-analysis

scientific article
Statistically significant papers in psychiatry were cited more often than others

scientific article (publication date: September 2007)
Reporting of eligibility criteria of randomised trials: cohort study comparing trial protocols with subsequent articles

scientific article
Application of multistate models in hospital epidemiology: advances and challenges

scientific article published on 14 January 2011
A competing risks analysis of bloodstream infection after stem-cell transplantation using subdistribution hazards and cause-specific hazards

scientific article published on 01 December 2007
Fate of clinical research studies after ethical approval--follow-up of study protocols until publication

scientific article
Incidence Densities in a Competing Events Analysis

scientific article published on September 3, 2010
Inflation of type I error rate in two statistical tests for the detection of publication bias in meta-analyses with binary outcomes

scientific article
Summary ROC curve based on a weighted Youden index for selecting an optimal cutpoint in meta-analysis of diagnostic accuracy

scientific article published on 01 December 2010
A test for publication bias in meta-analysis with sparse binary data

scientific article
Competing risks and multistate models

scientific article
Artificial neural networks for diagnosis and prognosis in prostate cancer

scientific article
Misspecified regression model for the subdistribution hazard of a competing risk

scientific article published on 01 March 2007
Estimators and confidence intervals for the marginal odds ratio using logistic regression and propensity score stratification.

scientific article published in March 2010
Modelling multiple thresholds in meta-analysis of diagnostic test accuracy studies

scientific article
Evidence from nonrandomized studies: a case study on the estimation of causal effects

scientific article published on 11 March 2008
Quantifying the predictive accuracy of time-to-event models in the presence of competing risks

scientific article published on January 14, 2011
A note on variance estimation of the Aalen-Johansen estimator of the cumulative incidence function in competing risks, with a view towards left-truncated data

scientific article
Representativeness of the surveillance data in the intensive care unit component of the German nosocomial infections surveillance system.

scientific article
Cluster-localized sparse logistic regression for SNP data.

scientific article
An overview of techniques for linking high-dimensional molecular data to time-to-event endpoints by risk prediction models

scientific article published on February 17, 2011
Multistate Modeling to Analyze Nosocomial Infection Data: An Introduction and Demonstration

scientific article

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