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List of works by Martin Schumacher

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Multilevel competing risk models to evaluate the risk of nosocomial infection

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

scientific article
Transmission-associated nosocomial infections: prolongation of intensive care unit stay and risk factor analysis using multistate models

scientific article
Measures of prediction error for survival data with longitudinal covariates.

scientific article
Comment on 'Network-constrained regularization and variable selection for analysis of genomic data'.

scientific article published on 4 August 2008
Missing information caused by death leads to bias in relative risk estimates

scientific article published on 30 June 2014
Competing risk bias was common in a prominent medical journal

scientific article published in August 2016
Two Pitfalls in Survival Analyses of Time-Dependent Exposure: A Case Study in a Cohort of Oscar Nominees

Incidence in ICU populations: how to measure and report it?

scientific article published on 10 May 2014
Simulation shows undesirable results for competing risks analysis with time-dependent covariates for clinical outcomes

scientific article published on 16 July 2018
A full competing risk analysis of hospital-acquired infections can easily be performed by a case-cohort approach

scientific article published on 26 November 2015
Boosting qualifies capture-recapture methods for estimating the comprehensiveness of literature searches for systematic reviews

scientific article published on 17 June 2011
Integrating multiple molecular sources into a clinical risk prediction signature by extracting complementary information

scientific article
The combined association of alcohol consumption with dementia risk is likely biased due to lacking account of death cases.

scientific article
Parallelized prediction error estimation for evaluation of high-dimensional models

scientific article published on 28 January 2009
Paediatric hospital-acquired bacteraemia in developing countries

scientific article published in The Lancet
A general, prediction error-based criterion for selecting model complexity for high-dimensional survival models.

scientific article
Procalcitonin as a diagnostic marker for sepsis

scientific article published in December 2013
Meta-analysis and the Surgeon General's report on smoking and health.

scientific article published in January 2014
Basic parametric analysis for a multi-state model in hospital epidemiology

scientific article published on 20 July 2017
Nested case-control studies in cohorts with competing events

scientific article published on January 2014
Simulating and analysing infectious disease data in a heterogeneous population with migration

scientific article
Are large trials less reliable than small trials?

scientific article published on 28 May 2009
Letter to the editor

scientific article published on 06 July 2009
Statistical and methodological concerns about the beneficial effect of neuraminidase inhibitors on mortality.

scientific article published on 16 June 2014
Survival biases lead to flawed conclusions in observational treatment studies of influenza patients

scientific article
Netboost: Boosting-supported Network Analysis Improves High-Dimensional Omics Prediction in Acute Myeloid Leukemia and Huntington's Disease

scientific article published on 01 May 2020
Identifying Prognostic SNPs in Clinical Cohorts: Complementing Univariate Analyses by Resampling and Multivariable Modeling

scientific article published on 9 May 2016
Meta-analysis for aggregated survival data with competing risks: a parametric approach using cumulative incidence functions

scientific article published on 20 September 2015
The population-attributable fraction for time-dependent exposures using dynamic prediction and landmarking

scientific article published on 19 June 2019
Adverse event development in clinical oncology trials

scientific article published on 01 July 2016
Erythropoietin or Darbepoetin for patients with cancer - meta-analysis based on individual patient data

scientific article
Comments on ‘Empirical vs natural weighting in random effects meta-analysis’ by JJ Shuster, Statistics in Medicine 2009; 26, Published online, DOI: 10.1002/sim.3607

scientific article published on 01 December 2010
Multiple time scales in modeling the incidence of infections acquired in intensive care units

scientific article
A wild bootstrap approach for the Aalen-Johansen estimator.

scientific article published on 16 February 2018
Re: "Incidence of dementia among participants and nonparticipants in a longitudinal study of cognitive aging".

scientific article published on 28 January 2015
RE: "Selective Cutoff Reporting in Studies of Diagnostic Test Accuracy: A Comparison of Conventional and Individual-Patient-Data Meta-Analyses of the Patient Health Questionnaire - 9 Depression Screening Tool".

scientific article
Regression modelling in hospital epidemiology: a statistical note

scientific article published on 4 September 2008
RE: "COMPARISON OF STATISTICAL APPROACHES FOR DEALING WITH IMMORTAL TIME BIAS IN DRUG EFFECTIVENESS STUDIES".

scientific article published on 16 November 2016
Treatment of hospital-acquired pneumonia

scholarly article by Martin Wolkewitz et al published October 2011 in Lancet Infectious Diseases
The population-attributable fraction for time-dependent exposures and competing risks-A discussion on estimands

scientific article published on 04 June 2019
Cohort studies were found to be frequently biased by missing disease information due to death

article
Estimating hazard ratios in cohort data with missing disease information due to death.

scientific article
A boosting approach for adapting the sparsity of risk prediction signatures based on different molecular levels

scientific article published on June 1, 2014
Aggressive versus conservative initiation of antibiotics

scientific article published on 01 May 2013
Analyzing the impact of duration of ventilation, hospitalization, and ventilation episodes on the risk of pneumonia

scientific article published on 18 February 2019
Methodological challenges in using point-prevalence versus cohort data in risk factor analyses of nosocomial infections

scientific article
A note on statistical association and causality derived from epidemiological ICU data

scientific article published in March 2010
Estimands to quantify prolonged hospital stay associated with nosocomial infections.

scientific article published on 31 May 2019
The Impact of Early Adequate Treatment on Extubation and Discharge Alive of Patients With Pseudomonas aeruginosa-Related Ventilator-Associated Pneumonia

scientific article published on 01 October 2018

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