User profiles for "author:Helmut Küchenhoff"
 | Helmut KüchenhoffInstitut für Statistik, LMU München Verified email at stat.uni-muenchen.de Cited by 10837 |
STRATOS guidance document on measurement error and misclassification of variables in observational epidemiology: part 1—basic theory and simple methods of …
Measurement error and misclassification of variables frequently occur in epidemiology and
involve variables important to public health. Their presence can impact strongly on results of …
involve variables important to public health. Their presence can impact strongly on results of …
[HTML][HTML] Cardiovascular events during World Cup soccer
U Wilbert-Lampen, D Leistner, S Greven… - … England Journal of …, 2008 - Mass Medical Soc
Background The Fédération Internationale de Football Association (FIFA) World Cup, held in
Germany from June 9 to July 9, 2006, provided an opportunity to examine the relation …
Germany from June 9 to July 9, 2006, provided an opportunity to examine the relation …
Epidemiologic analyses with error-prone exposures: review of current practice and recommendations
Purpose Variables in observational studies are commonly subject to measurement error, but
the impact of such errors is frequently ignored. As part of the STRengthening Analytical …
the impact of such errors is frequently ignored. As part of the STRengthening Analytical …
Predictors of severe systemic anaphylactic reactions in patients with Hymenoptera venom allergy: importance of baseline serum tryptase—a study of the European …
BACKGROUND: Severe anaphylaxis to honeybee or vespid stings is associated with a
variety of risk factors, which are poorly defined. OBJECTIVE: Our aim was to evaluate the …
variety of risk factors, which are poorly defined. OBJECTIVE: Our aim was to evaluate the …
Air pollution and inflammation (interleukin-6, C-reactive protein, fibrinogen) in myocardial infarction survivors
R Rückerl, S Greven, P Ljungman, P Aalto… - Environmental …, 2007 - ehp.niehs.nih.gov
Background Numerous studies have found that ambient air pollution has been associated
with cardiovascular disease exacerbation. Objectives Given previous findings, we …
with cardiovascular disease exacerbation. Objectives Given previous findings, we …
Size and power of tests for a zero random effect variance or polynomial regression in additive and linear mixed models
Several tests for a zero random effect variance in linear mixed models are compared. This
testing problem is non-regular because the tested parameter is on the boundary of the …
testing problem is non-regular because the tested parameter is on the boundary of the …
Meal frequency and childhood obesity
AM Toschke, H Küchenhoff, B Koletzko… - Obesity …, 2005 - Wiley Online Library
Objective: Previous studies have demonstrated an inverse association between meal
frequency and the prevalence of obesity in adulthood. The aim of this study was to assess …
frequency and the prevalence of obesity in adulthood. The aim of this study was to assess …
Asymptotics for the SIMEX estimator in nonlinear measurement error models
RJ Carroll, H Küchenhoff, F Lombard… - Journal of the …, 1996 - Taylor & Francis
Cook and Stefanski have described a computer-intensive method, the SIMEX method, for
approximately consistent estimation in regression problems with additive measurement …
approximately consistent estimation in regression problems with additive measurement …
A general method for dealing with misclassification in regression: the misclassification SIMEX
H Küchenhoff, SM Mwalili, E Lesaffre - Biometrics, 2006 - academic.oup.com
We have developed a new general approach for handling misclassification in discrete
covariates or responses in regression models. The simulation and extrapolation (SIMEX) …
covariates or responses in regression models. The simulation and extrapolation (SIMEX) …
Predictors of side effects during the buildup phase of venom immunotherapy for Hymenoptera venom allergy: the importance of baseline serum tryptase
BACKGROUND: Severe side effects during venom immunotherapy (VIT) are associated with
a variety of risk factors. OBJECTIVE: Our aim was to evaluate the association of baseline …
a variety of risk factors. OBJECTIVE: Our aim was to evaluate the association of baseline …