Regional features of pelvic inflammatory disease rates among working-age women of the Ural Federal District in 2011–2019

Introduction. One of the strategic goals in the Russian Federation is to maintain reproductive health and good quality of life in women of all ages. Being the most common reasons for obstetric and gynecological hospitalization, pelvic inflammatory diseases are among the important healthcare challenges.

The purpose was to study regional incidence and prevalence rates of pelvic inflammatory diseases and to estimate their chronicity rate in the working-age women of the Ural Federal District in 2011–2019.

Materials and methods. Based on statistical data from the Russian Research Institute of Health, we calculated pelvic inflammatory disease rates in women of working age and then compared them with the Russian rates and between the constituent entities of the Ural Federal District in a pairwise manner. Using the Spearman’s rank correlation coefficient, we established the degree of correlation between the regional rates and those in the Russian Federation as a whole.

Results. We observed fold differences in disease rates between the Ural regions. In most cases, we also noted statistically significant differences between the regional and Russian morbidity rates. Pairwise comparisons mainly demonstrated significant interregional differences in disease rates. Mean values of the regional incidence and prevalence represent a statistically heterogeneous set of rates. A rising trend in the chronicity rate was identified in all constituents of the Ural Federal District.

Research limitations. The study is limited to women of working age.

Conclusions. Statistically dissimilar incidence and prevalence rates, a large number of significant differences found between the regional rates and between them and Russian rates indicate to the presence of pronounced regional patterns.

Compliance with ethical standards. Formal approval of an ethics committee is not required for this study.

Contribution of the authors:
Sakhautdinova R.R. — data collection and processing, draft manuscript preparation;
Bushueva T.V. — draft manuscript preparation, editing;
Shastin A.S. — data collection and processing, draft manuscript preparation;
Roslaya N.A. — editing;
Panov V.G. — statistical data analysis;
Milyaeva N.M. — editing;
Lavrentyeva I.V. — editing.
All authors are responsible for the integrity of all parts of the manuscript and approval of its final version.

Funding. The study had no sponsorship.

Conflict of interest. The authors declare no conflict of interest.

Received: April 25, 2025 / Revised: August 8, 2025 / Accepted: February 19, 2026 / Published: April 30, 2026

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