Medico-Geographical Assessment of the Prevalence of Respiratory Diseases in Northern and Southern Areas of the Russian Far East: Comparison of Kamchatka and Primorsky Regions

Summary

Introduction: Diseases of the respiratory system make a significant contribution to the incidence of the Russian population. Consideration of regional differences in the distribution of respiratory diseases promotes a better understanding of the true extent of this problem. The Primorsky and Kamchatka Regions require stabilization of the demographic situation, which is affected, inter alia, by respiratory diseases.

Objective: To study spatial differences and risk factors for diseases of the respiratory system in the Primorsky and Kamchatka Regions.

Materials and methods: The assessment was conducted for 2010–2020 based on official statistics on respiratory disease rates in adults and children. To study spatial differences, the epidemiological risk value was estimated for intraregional territories at the first stage of work. The second stage included identification of risk factors for the spread of respiratory diseases using methods of correlation and information entropy analysis.

Results: The territories of the regions differing in the level of epidemiological risk (high, increased, moderate and low) were determined. In the Primorsky Region, a high risk of respiratory diseases for adults and children was identified on 9 and 15 territories, respectively, while in the Kamchatka Region, the numbers were found to be much lower (5 and 8). At the regional level, environmental and territorial factors had the greatest impact on respiratory disease rates in the Primorsky Region while healthcare, weather and climate factors were found to be of major importance in Kamchatka.

Conclusion: The results of the assessment of long-term respiratory disease rates in the Kamchatka and Primorsky Regions show that the local situation remains difficult and tense. It is of concern since the main part of the population resides within the territories of high and elevated risk. As a rule, these are northern, distant districts both in Kamchatka and Primorye. The risk factors analyzed have regional differences.

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