Abstract
Aim. To study the features of the prevalence of coronary heart disease (CHD) in the period 1998–2001 and 2013–2017 in the indigenous population of Gornaya Shoria.Methods. In the first period of the study (from 1998 to 2001), 550 respondents of indigenous nationality living in rural areas of Gornaya Shoria (v. Orton and v. Ust-Kabyrza) were included. In the second period (from 2013 to 2017) – 937 people in the same villages, as well as in the urban village Sheregesh and city Tashtagol. The presence of coronary artery disease was estimated by the sum of three epidemiological criteria: based on the analysis of ECG by Minnesota code, Rose questionnaire and a history of myocardial infarction. Statistical analysis was performed using the program Statistica 6.0 (StatSoft Inc., USA.) Qualitative features were described using frequencies as a percentage. To determine the statistical significance of these differences, Pearson's criterion c2 was evaluated. In the study, the critical level of significance when testing statistical hypotheses was taken p<0.05.Results. The frequency of CHD in the first stage of the study in the village was 6.2%, in the survey of the rural population in the Gornaya Shoria in 2013–2017 this figure was 8.0%. Comparative analysis at the second stage of the study showed a higher prevalence of this disease among urban residents (12.6%) compared with rural (8.0%, p = 0.048). These differences reach statistical significance due to the female population in the age groups of 40–49 years and 50–59 years (7.1% vs. 0% (p = 0.051) and 15.4% vs. 4.1% (p = 0.031)). In males living in the city, revealed an earlier debut of CHD in 40–49 years (5.6%).Conclusion. The study revealed an increase in the prevalence of CHD in women in the indigenous small population of Gornaya Shoria from 1998–2001 to 2013–2017, as well as a number of significant statistically significant differences in the frequency of CHD among the urban and rural population.
Highlights
В исследовании продемонстрирована частота ишемической болезни сердца в коренной малочисленной популяции Горной Шории в два временных периода: в 1998–2001 гг. и 2013–2017 гг
Данные различия достигают статистической значимости за счет лиц женского пола в возрастных группах 40–49 лет и 50–59 лет (7,1% против 0% (р = 0,051) и 15,4% против 4,1% (р = 0,031))
The presence of coronary artery disease was determined based on the ECG findings according to the Minnesota code, Rose questionnaire and a positive history of myocardial infarction
Summary
В исследовании продемонстрирована частота ишемической болезни сердца в коренной малочисленной популяции Горной Шории в два временных периода: в 1998–2001 гг. и 2013–2017 гг. Частота ИБС на первом этапе исследования у жителей села составила 6,2%, при обследовании сельского населения в Горной Шории в 2013–2017 гг.
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