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ANALYSIS OF THE HOSPITALIZED INCIDENCE OF RESPIRATORY DISEASES IN CHILDREN AND ADOLESCENTS USING THE EXAMPLE OF A LARGE INDUSTRIAL CITY
- Authors: Danilova V.V.1, Moiseeva K.E.1, Efimov I.A.1, Puzyrev V.G.1, Shcherba E.V.1, Usenko V.V.1, Karchevskaya A.O.1
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Affiliations:
- Federal State Budgetary Educational Institution of Higher Education "Saint Petersburg State Pediatric Medical University" of the Ministry of Health of the Russian Federation
- Section: ORIGINAL STUDY ARTICLES
- Submitted: 17.05.2026
- Accepted: 08.07.2026
- Published: 22.09.2026
- URL: https://hum-ecol.ru/1728-0869/article/view/707509
- DOI: https://doi.org/10.17816/humeco707509
- ID: 707509
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Abstract
BACKGROUND: Respiratory diseases occupy a leading place in the structure of childhood morbidity and hospitalization. A long-term analysis of the dynamics and structure of hospitalized morbidity is necessary to develop targeted prevention programs.
AIM: To study the dynamics, structure, and clinical and demographic characteristics of the hospitalized incidence of respiratory diseases in children and adolescents according to the data of a multidisciplinary third-level children's hospital for 2010-2024.
METHODS: An observational, single-center, retrospective, selective, and uncontrolled study was conducted. The research was based on the multidisciplinary children's hospital of the Russian Ministry of Health. The study included cases with a verified primary diagnosis at discharge, coded according to ICD-10 in class J00–J99 (respiratory diseases). The study period was 15 years (from 2010 to 2024). The criteria for exclusion from the study were the incompleteness of cases (2025), as well as the lack of verification of the diagnosis or the absence of the ICD code. Statistical data processing was carried out using the Mann–Whitney, Kraskel–Wallis, Pearson chi-square, Spearman correlation criteria.
RESULTS: In 2010-2024, 39,824 cases of hospitalization with diagnoses of class J00–J99 were registered. Of these, 18,178 cases (45.6%) were in the pulmonology department (PD2), 21,646 cases (54.4%) were in the infectious diseases department (ID1). The number of hospitalizations ranged from 2,636 cases in 2010 to a maximum of 3,249 in 2016. In 2020, the minimum number of hospitalizations was 1,721 cases, due to restrictive measures during the COVID-19 pandemic and the conversion of the bed stock. In 2024, the number of cases was 2,123.
CONCLUSION: The nosological profile of pediatric hospitalizations for respiratory diseases has undergone significant changes in the direction of chronic pathology. The duration of hospitalization significantly depends on the nosology, age, gender, and form of medical care. The data obtained substantiate the need to develop differentiated standards for the duration of inpatient treatment and targeted preventive strategies.
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Figure 1. Dynamics of the number of hospitalizations for respiratory system pathologies
Figure 2. Number of hospitalizations by ICD-10 groups and years
Figure 3. Distribution of hospital admissions by ICD-10 groups
Figure 4. The dynamics of hospitalizations in the top 5 ICD-10 groups
Figure 5. The structure of morbidity (primary/repeated) by ICD-10 groups
Figure 6. Regional distribution of hospitalizations by districts of St. Petersburg
Figure 7. Gender structure of hospital admissions by ICD-10 groups (%)
Figure 8. Gender and age structure of hospital admissions
Figure 9. Age structure of hospital admissions by ICD-10 groups
Figure 10. Dynamics of the average and median bed-day
About the authors
Victoria V. Danilova
Federal State Budgetary Educational Institution of Higher Education "Saint Petersburg State Pediatric Medical University" of the Ministry of Health of the Russian Federation
Author for correspondence.
Email: v.v.danilova_gpmu@mail.ru
ORCID iD: 0000-0003-1631-4218
SPIN-code: 6166-0168
Candidate of Medical Sciences, Associate Professor of the Department of General Hygiene
Russian Federation, 194100, Russia, St. Petersburg, Litovskaya st., 2Karina E. Moiseeva
Federal State Budgetary Educational Institution of Higher Education "Saint Petersburg State Pediatric Medical University" of the Ministry of Health of the Russian Federation
Email: karina-moiseeva@yandex.ru
ORCID iD: 0000-0002-3476-5971
SPIN-code: 9105-6669
Doctor of Medical Sciences, Professor of the Department of Public Health and Public Health
Russian Federation, 194100, Russia, St. Petersburg, Litovskaya st., 2Ilya A. Efimov
Federal State Budgetary Educational Institution of Higher Education "Saint Petersburg State Pediatric Medical University" of the Ministry of Health of the Russian Federation
Email: efimovelias@yandex.ru
ORCID iD: 0009-0003-1785-1477
SPIN-code: 2263-2382
6th year student of the Pediatric Faculty
Russian Federation, 194100, Russia, St. Petersburg, Litovskaya st., 2Victor G. Puzyrev
Federal State Budgetary Educational Institution of Higher Education "Saint Petersburg State Pediatric Medical University" of the Ministry of Health of the Russian Federation
Email: vgpuzyrev@mail.ru
ORCID iD: 0000-0002-0185-3545
SPIN-code: 2727-0049
Candidate of Medical Sciences, Associate Professor, Head of the Department of General Hygiene
Russian Federation, 194100, Russia, St. Petersburg, Litovskaya st., 2Elena V. Shcherba
Federal State Budgetary Educational Institution of Higher Education "Saint Petersburg State Pediatric Medical University" of the Ministry of Health of the Russian Federation
Email: shcherba.elena.gpmu@gmail.com
ORCID iD: 0000-0002-8199-6289
SPIN-code: 6738-6765
Candidate of Medical Sciences, Associate Professor of the Department of General Hygiene
Russian Federation, 194100, Russia, St. Petersburg, Litovskaya st., 2Valeria V. Usenko
Federal State Budgetary Educational Institution of Higher Education "Saint Petersburg State Pediatric Medical University" of the Ministry of Health of the Russian Federation
Email: bondarenkovaleriya@list.ru
ORCID iD: 0000-0003-2787-4958
SPIN-code: 4850-2160
Assistant of the Department of General Hygiene
194100, Russia, St. Petersburg, Litovskaya st., 2Alla O. Karchevskaya
Federal State Budgetary Educational Institution of Higher Education "Saint Petersburg State Pediatric Medical University" of the Ministry of Health of the Russian Federation
Email: allakarchevskaya@yandex.ru
ORCID iD: 0000-0003-4361-3977
SPIN-code: 2000-7874
Assistant of the Department of General Hygiene
Russian Federation, 194100, Russia, St. Petersburg, Litovskaya st., 2References
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