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Sandra Landwehr · SciRah

Researcher profile · Semantic Scholar

Sandra Landwehr

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Sandra Landwehr — researcher profile on SciRah

h-index: 16
Works: 32
Citations: 814

Most-cited papers

Rapid Deployment Versus Conventional Bioprosthetic Valve Replacement for Aortic Stenosis.
S. Ensminger, B. Fujita, T. Bauer, H. Möllmann +10 more
2018Journal of the American College of Cardiology113 citations Open access
Semantic Scholar
Quality of Life After Transcatheter Aortic Valve Replacement: Prospective Data From GARY (German Aortic Valve Registry).
R. Lange, A. Beckmann, T. Neumann, M. Krane +21 more
2016JACC: Cardiovascular Interventions72 citations Open access
Semantic Scholar
Impact of new pacemaker implantation following surgical and transcatheter aortic valve replacement on 1-year outcome.
B. Fujita, T. Schmidt, S. Bleiziffer, T. Bauer +11 more
2019European Journal of Cardio-Thoracic Surgery71 citations Open access
Semantic Scholar
Five-year outcome in 18 010 patients from the German Aortic Valve Registry.
F. Beyersdorf, T. Bauer, N. Freemantle, T. Walther +14 more
2021European Journal of Cardio-Thoracic Surgery61 citations Open access
Semantic Scholar
A new relation between prevalence and incidence of a chronic disease
R. Brinks, Sandra Landwehr
2015Mathematical Medicine and Biology-a Journal of The Ima61 citations Open access
Semantic Scholar
Age- and time-dependent model of the prevalence of non-communicable diseases and application to dementia in Germany.
R. Brinks, Sandra Landwehr
2014Theoretical Population Biology61 citations
Semantic Scholar
Patients at Intermediate Surgical Risk Undergoing Isolated Interventional or Surgical Aortic Valve Implantation for Severe Symptomatic Aortic Valve Stenosis: One-Year Results From the German Aortic Valve Registry
N. Werner, R. Zahn, A. Beckmann, T. Bauer +14 more
2018Circulation52 citations Open access
Semantic Scholar
Impact of quality of life (QoL) on glycemic control (HbA1c) among adolescents and emerging adults with long‐duration type 1 diabetes: A prospective cohort‐study
A. Stahl-Pehe, Sandra Landwehr, K. Lange, C. Bächle +5 more
2017Pediatric Diabetes36 citations Open access
Semantic Scholar
Deriving age‐specific incidence from prevalence with an ordinary differential equation
R. Brinks, Sandra Landwehr, A. Icks, M. Koch +1 more
2013Statistics in Medicine34 citations
Semantic Scholar
A geometric interpretation of the transition density of a symmetric Lévy process
N. Jacob, Victorya Knopova, Sandra Landwehr, R. Schilling
201133 citations Open access
Semantic Scholar
The intermediates take it all: Asymptotics of higher criticism statistics and a powerful alternative based on equal local levels
V. Gontscharuk, Sandra Landwehr, H. Finner
2015Biometrical journal. Biometrische Zeitschrift29 citations
Semantic Scholar
Identification of a Multistate Continuous-Time Nonhomogeneous Markov Chain Model for Patients with Decreased Renal Function
A. Begun, A. Icks, R. Waldeyer, Sandra Landwehr +2 more
2013Medical decision making29 citations
Semantic Scholar
Goodness of fit tests in terms of local levels with special emphasis on higher criticism tests
V. Gontscharuk, Sandra Landwehr, H. Finner
201624 citations Open access
Semantic Scholar
No adverse effect of outdoor air pollution on HbA1c in children and young adults with type 1 diabetes.
T. Tamayo, W. Rathmann, A. Stahl-Pehe, Sandra Landwehr +5 more
2016International Journal of Hygiene and Environmental Health23 citations
Semantic Scholar
Change Rates and Prevalence of a Dichotomous Variable: Simulations and Applications
R. Brinks, Sandra Landwehr
2014PLoS ONE22 citations Open access
Semantic Scholar
Surveillance of the Incidence of Non-Communicable Diseases (NCDs) with Sparse Resources: A Simulation Study Using Data from a National Diabetes Registry, Denmark, 1995–2004
R. Brinks, A. Hoyer, Sandra Landwehr
2016PLoS ONE17 citations Open access
Semantic Scholar
Age of onset in chronic diseases: new method and application to dementia in Germany
R. Brinks, Sandra Landwehr, R. Waldeyer
2013Population Health Metrics16 citations Open access
Semantic Scholar
Lexis Diagram and Illness-Death Model: Simulating Populations in Chronic Disease Epidemiology
R. Brinks, Sandra Landwehr, R. Fischer-Betz, Matthias Schneider +1 more
2014PLoS ONE15 citations Open access
Semantic Scholar
Development and demonstration of a state model for the estimation of incidence of partly undetected chronic diseases
R. Brinks, Barbara H. Bardenheier, A. Hoyer, Ji Lin +2 more
2015BMC Medical Research Methodology14 citations Open access
Semantic Scholar
A comparative study of prevalence‐based incidence estimation techniques with application to dementia data in Germany
Sandra Landwehr, R. Brinks
2016Statistics in Medicine11 citations
Semantic Scholar
Estimation of mortality rate ratios for chronic conditions with misclassification of disease status at death
S. Voß, A. Hoyer, Sandra Landwehr, Meda E. Pavkov +2 more
2024BMC Medical Research Methodology5 citations Open access
Semantic Scholar
On the geometry related to jump processes : investigating transition functions of Levy and Levy-type processes
Sandra Landwehr
20105 citations
Semantic Scholar
Re: Ambient Air Pollution and Early Manifestation of Type 1 Diabetes.
J. Rosenbauer, T. Tamayo, C. Bächle, A. Stahl-Pehe +7 more
2016Epidemiology4 citations
Semantic Scholar
The Age of Onset of Dementias
Sandra Landwehr, R. Brinks, A. Hoyer
2018Age of Onset of Mental Disorders2 citations
Semantic Scholar
Current Trends in Practice and Outcomes after Surgical Aortic Valve Replacement in Germany: Update of the GARY Registry
S. Ensminger, B. Fujita, Sandra Landwehr, T. Bauer +8 more
2017The thoracic and cardiovascular surgeon2 citations Open access
Semantic Scholar
Five-Year Outcome in 18,010 Patients from the German Aortic Valve Registry
F. Beyersdorf, T. Bauer, N. Freemantle, T. Walther +14 more
20201 citations Open access
Semantic Scholar
Direct Comparison of Rapid Deployment Valves and Conventional Biological Valves for Treatment of Aortic Stenosis: Insights from the German Aortic Valve Registry
S. Ensminger, B. Fujita, T. Bauer, H. Möllmann +10 more
2018The thoracic and cardiovascular surgeon1 citations Open access
Semantic Scholar
Stochastic differential equation modeling the prevalence of rare chronic diseases with an application to systemic lupus erythematosus
R. Brinks, R. Fischer-Betz, Sandra Landwehr, Matthias Schneider +1 more
20131 citations
Semantic Scholar
Incidence of new Permanent Pacemaker Implantation after Surgical Aortic Valve Replacement and Transcatheter Aortic Valve Implantation and Its Impact on 1-Year Mortality—Insights from the German Aortic Valve Registry
B. Fujita, T. Schmidt, S. Bleiziffer, T. Bauer +11 more
2019The thoracic and cardiovascular surgeon0 citations Open access
Semantic Scholar
A geometric interpretation of the transition density of a symmetric Lévy process
N. Jacob, Victorya Knopova, Sandra Landwehr, R. Schilling
2012Science China Mathematics0 citations Open access
Semantic Scholar
Adapting to Extreme Conditions
Sandra Landwehr
20100 citations
Semantic Scholar
Macrophages Virus Particle and for Viral Growth in Incorporation of Pul69 and Pul97 into the Cytomegalovirus Is Required for the Major Tegument Protein Pp65 of Human
J. Mertens, Jens H. Von, Einem Frascaroli, Anke Lüske +5 more
20080 citations
Semantic Scholar

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