ECOLOGICAL (CORRELATION) STUDIES IN HEALTH SCIENCES

201 203 204 5 2015 10.34689/SH.2015.17.5.001 In this paper we present basic principles of planning and carrying out ecological (correlation) studies in health sciences as well as analyzing the data collected in these studies. We present practical examples of sample size and effect measures calculation for ecological studies using online calculators. Examples of studies using ecological (correlation) design from international peer-reviewed literature are also presented. This article provides...

Изменен: 13.11.2015
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CASE-CONTROL STUDIES IN HEALTH SCIENCES

201 203 204 4 2015 10.34689/SH.2015.17.4.001 In this paper we present basic principles of planning and carrying out case-control studies in health sciences as well as analyzing the data collected in these studies. We present practical examples of sample size and effect measures calculation for matched and unmatched case-control studies using online calculators and Epi Info software. Examples of studies using case-control design from international peer-reviewed literature are also presented...

Изменен: 27.08.2015
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COHORT STUDIES IN HEALTH SCIENCES

201 203 3 2015 10.34689/SH.2015.17.3.001 In this paper we present basic principles of planning and carrying out cohort studies in health sciences as well as analyzing the data collected in these studies. We present practical examples of sample size and effect measures calculation for cohort studies using online calculators and Epi Info software. Examples of studies using cohort design from international peer-reviewed literature are also presented. This article provides general introduction...

Изменен: 30.06.2015
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MEDICAL AND SOCIAL PROBLEM OF CARDIOVASCULAR DISEASES IN KAZAKHSTAN

Introduction. In the most developed countries cardiovascular diseases (CVD) take the highest rank in the structure of mortality, they are a major cause of disability, and the question of their prevention is medical and social problems. The aim of the study is analysis of structure, morbidity and mortality rates from cardiovascular diseases in Kazakhstan and particularly in the East Kazakhstan Region, in comparison with worldwide rates. Methods. Descriptive analysis of statistical data on demographics...

Изменен: 24.06.2015
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CROSS-SECTIONAL STUDIES IN HEALTH SCIENCES

In this paper we present basic principles of planning and carrying out cross-sectional studies in health sciences as well as analyzing the data collected in these studies. We present practical examples of sample size and effect measures calculation for cross-sectional studies using online calculators and Epi Info software. Examples of studies using cross-sectional design from international peer-reviewed literature are also presented. This article provides general introduction to cross-sectional studies...

Изменен: 30.04.2015
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THE NEED FOR IMPROVEMENT OF THE QUALITY OF KAZAKHSTANI PUBLICATIONS FOR SUCCESSFUL INTEGRATION IN THE INTERNATIONAL RESEARCH COMMUNITY

This is an introductory article which opens a series of publications about basic principles of research design in health sciences and statistical analysis of biomedical data. In this paper we present a non-systematic review of literature assessing scientific quality of publications in Kazakhstan and other countries justifying the need for improvement of quality of Kazakhstani research papers, which is a pre-requisite of successful integration in the international biomedical research community. The...

Изменен: 13.04.2015
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