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Annika Hoyer
University of Düsseldorf
EndocrinologyType 2 diabetesPopulationDiabetes mellitusMedicine
63Publications
9H-index
304Citations
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Publications 70
Newest
Since the beginning of March 2020, the cumulative numbers of cases of infection with the novel coronavirus SARS-CoV-2 in Germany have been reported on a daily basis. The reports originate from national laws, according to which positive test findings must be submitted to the Federal Health Authorities, the Robert Koch Institute, via the local health authorities. Since an enormous number of unreported cases can be expected, the question of how widespread the disease has been in the population cann...
#1Ralph BrinksH-Index: 14
#2Thaddäus TönniesH-Index: 3
Last. Annika HoyerH-Index: 9
view all 3 authors...
OBJECTIVE: To assess the numerical properties of two recently published estimation techniques for excess mortality based on aggregated data about diabetes in Germany. RESULTS: Application of the new methods to the claims data yields implausible findings for the excess mortality of type 2 diabetes in ages below 50 years of age.
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#1Theresa Kossler (HHU: University of Düsseldorf)
#2Katharina S Weber (CAU: University of Kiel)
Last. Karsten Müssig (HHU: University of Düsseldorf)H-Index: 13
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Diabetes mellitus has been associated with impaired cognitive performance, particularly in verbal memory. Mediterranean diets (MedD) may lead to improvements in overall and single cognitive functions. We hypothesised that adherence to MedD associates with better performance in verbal memory in patients with type 1 or type 2 diabetes. Thus, we performed a cross-sectional analysis including patients with recently diagnosed type 1 (n = 75) or type 2 diabetes (n = 118), metabolically healthy individ...
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#1Annika Hoyer (HHU: University of Düsseldorf)H-Index: 9
#2Oliver Kuss (HHU: University of Düsseldorf)H-Index: 37
Diagnostic accuracy studies often evaluate diagnostic tests at several threshold values, aiming to make recommendations on optimal thresholds for use in practice. Methods for meta-analysis of full receiver operating characteristic (ROC) curves have been proposed but still have deficiencies. We recently proposed a parametric approach that is based on bivariate time-to-event models for interval-censored data to this task. To increase the flexibility of that approach, to cover a wide range of distr...
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#1Annika Hoyer (HHU: University of Düsseldorf)H-Index: 9
#2Sophie Kaufmann (HHU: University of Düsseldorf)
Last. Ralph Brinks (HHU: University of Düsseldorf)H-Index: 14
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Recently, we developed a partial differential equation (PDE) that relates the age-specific prevalence of a chronic disease with the age-specific incidence and mortality rates in the illness-death model (IDM). With a view to planning population-wide interventions, the question arises how prevalence can be calculated if the distribution of a risk-factor in the population shifts. To study the impact of such possible interventions, it is important to deal with the resulting changes of risk-factors t...
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#1Esther Jacobs (HHU: University of Düsseldorf)H-Index: 2
#2Thaddäus Tönnies (HHU: University of Düsseldorf)H-Index: 3
Last. Annika Hoyer (HHU: University of Düsseldorf)H-Index: 9
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Objective The aim of this analysis was to estimate the association between regional deprivation and type 2 diabetes incidence and to investigate differences by age and sex for Germany. Research design and methods Type 2 diabetes incidence rate ratios comparing the most deprived fifth of the population to the remainder of the population (divided into quintiles) were estimated using the illness-death model, which describes the relationship between prevalence, mortality, and incidence. For the anal...
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#1Ralph BrinksH-Index: 14
#2Sophie Kaufmann (HHU: University of Düsseldorf)
Last. Jürgen Saal (HHU: University of Düsseldorf)H-Index: 13
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Background We recently introduced a system of partial differential equations (PDEs) to model the prevalence of chronic diseases with a possibly prolonged state of asymptomatic, undiagnosed disease preceding a diagnosis. Common examples for such diseases include coronary heart disease, type 2 diabetes or cancer. Widespread application of the new method depends upon mathematical treatment of the system of PDEs.
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#1Christina BaechleH-Index: 4
#2Annika HoyerH-Index: 9
Last. Joachim RosenbauerH-Index: 29
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Abstract Purpose The aims of this study were to analyze the prevalence and course of disordered eating behavior (DEB) in adolescents with intensively treated type I diabetes, describe differences in age-specific DEB symptoms, and identify predictors of current DEB. Methods Data were taken from 332/218 11- to 27-year-old participants (55.7% girls/women, mean age [SD] 17.8 [3.4] years, mean diabetes duration 14.9 [3.0] years) of two/three surveys of a Germany-wide longitudinal study on early-onset...
1 CitationsSource
#1Thaddäus Tönnies (HHU: University of Düsseldorf)H-Index: 3
#2S. Röckl (RKI: Robert Koch Institute)H-Index: 1
Last. R. Brinks (HHU: University of Düsseldorf)H-Index: 4
view all 8 authors...
4 CitationsSource
#1Thaddäus Tönnies (HHU: University of Düsseldorf)H-Index: 3
#2Annika Hoyer (HHU: University of Düsseldorf)H-Index: 9
Last. Ralph Brinks (HHU: University of Düsseldorf)H-Index: 14
view all 3 authors...
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