V. G. Vilkov

Effectiveness of a neural network-based fatal event prediction using conventional risk factors based on thirty-year prospective follow-up

V. G. Vilkov, S. A. Shalnova, A. V. Kapustina, G. A. Muromtseva et autres

Aim. To study the predictive effectiveness of neural network models for 30-year prediction of fatal outcomes using conventional risk factors. Material and methods. A total of 13263 men and 5691 women from the Russian part of the Lipid Clinics study from 1975-1982 …

RECOMMENDED COHORT SIZE FOR STABLE NEURAL NETWORK PREDICTION OF FATAL EVENT PROBABILITY

V. G. Vilkov

We examined the stability of neural network models for fatal event prediction depending on the number of observations in the sample. Data from the NHANES III US population study were used. Using the US population as an example, for models with 13 …

Neural network analysis of the relationships of risk factors with a fatal event depending on prospective follow-up duration

V. G. Vilkov, Svetlana Anatolievna Shalnova, Yu. А. Balanova, Г. А. Муромцева et autres

Aim. To compare the significance of risk factors (RF) in neural network modeling of a fatal outcome for prospective follow-up periods of 10, 20, 30 and 40 years. Material and methods. From the Russian Lipid Research Clinics Study of 1975-1982, 13263 men …

Quantitative and nominative indicators of blood pressure regulation violations in the neural network fatal event prediction according to the prospective observation

V. G. Vilkov, Svetlana Anatolievna Shalnova, Yu. А. Balanova, Г. А. Муромцева et autres

Objective. To compare the informativity of different types of variables characterizing impairments of the blood pressure regulation level, with regard to the neural network models for prediction of the fatal outcome probability during long-term prospective observation from 10 to 40 years. Materials …

Rationale for the use of non-linear statistical methods in the analysis of relationships between risk factors and fatal events according to the data of long-term prospective observation in population of Russia and the United States of America

V. G. Vilkov, Svetlana Anatolievna Shalnova

Objective. To demonstrate on the example of several typical anthropometric, hemodynamic and laboratory indicators a common pattern consisting in the difference of their values’ distributions, as well as to show a non-linear nature of multivariate associations between RF and a probability of …

Comparison of thirty-year survival in the populations of Russia and the United States of America

V. G. Vilkov, Svetlana Anatolievna Shalnova, Anna V. Kapustina, Г. А. Муромцева et autres

Aim. To compare survival at a 30-year follow-up in the populations of Russia and USA. Material and methods. From the Russian studies of 1975-1982, 14728 men and 6140 women aged 18-71 years were included, with follow-up until 2017 (501016 person-years of follow-up). …

How to interpret and use the results of epidemiological studies in healthcare practice. Methodological Rationale

Svetlana Anatolievna Shalnova, Yu. А. Balanova, V. G. Vilkov, Anastasia A. Zelenina et autres

The methodological rationale contains a description of epidemiological research methods, provides an analysis of the key concepts of epidemiology (population, sample, risk factor (RF)), in the context of prevention priorities, as well as describes each of the main RFs for noncommunicable diseases …

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Non-High Density Lipoprotein Cholesterol: A Modern Benchmark for Assessing Lipid Metabolism Disorders

Svetlana Anatolievna Shalnova, Victoria A. Metelskaya, Vladimir Aleksandrovich Kutsenko, Elena Borisovna Yarovaya et autres

Aim. To perform a population analysis of Non-High Density Lipoprotein Cholesterol level (non-HDL-c) in Russian population and to evaluate its association with cardiovascular events. Material and Methods. The material consisted of results obtained from 11 regions of the ESSE-RF1 Study and from …

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Prevalence of arterial hypotension with a poor prognosis in populations of the Russian Federation and the United States of America

V. G. Vilkov, Svetlana Anatolievna Shalnova, Anna V. Kapustina, Г. А. Муромцева et autres

Aim. To study the prevalence of hypotension (HoTN) with an unfavorable prognosis in populations of the Russian Federation and the United States of America in a thirty-year perspective. Material and methods. We used data from Russian population-based studies performed in 1975-1982 at …

Thirty-year trends in the prevalence of cardiometabolic risk factors in the populations of the Russian Federation and the United States of America

V. G. Vilkov, Svetlana Anatolievna Shalnova

Aim. To study trends in the prevalence of hypertension (HTN), obesity, elevated non-high-density lipoprotein cholesterol (non-HDL cholesterol) levels in Russia and the USA from 1975 to 2014. Material and methods. According to the data of cross-sectional population studies in Russia and the …

Hypotension and survival: diagnostic criteria in Russian and United States population

V. G. Vilkov, Yu. А. Balanova, Anna V. Kapustina, Г. А. Муромцева et autres

Aim. Based on Russian and United States population studies, to determine the criterion for distinguishing between normal and low blood pressure (BP), which is the most significant for predicting all-cause mortality. Material and methods. We used data from prospective Russian studies of …

The prevalence of wide QRS complex (≥110 ms) among the population, depending on sex, age and place of residence

Г. А. Муромцева, V. G. Vilkov, Svetlana Anatolievna Shalnova, Konstantinov Vv et autres

Aim. To assess the prevalence of wide QRS complex (≥110 ms) among the population, depending on sex, age, place of residence (urban or rural area), the presence of obesity and cardiovascular disease. Material and methods. The analysis was based on the ESSE-RF …

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