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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">dsait</journal-id><journal-title-group><journal-title xml:lang="ru">Цифровые решения и технологии искусственного интеллекта</journal-title><trans-title-group xml:lang="en"><trans-title>Digital Solutions and Artificial Intelligence Technologies</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">3033-7097</issn><publisher><publisher-name>Финансовый университет при Правительстве Российской Федерации</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">dsait-3</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ТЕМА НОМЕРА: Искусственный интеллект и машинное обучение</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>COVER STORY: Artificial intelligence and machine learning</subject></subj-group></article-categories><title-group><article-title>Методы машинного обучения для прогнозирования течения заболевания на примере развития тяжелой степени пневмонии</article-title><trans-title-group xml:lang="en"><trans-title>Machine Learning Methods for Predicting the Course of the Disease Using the Example of the Development of Severe Pneumonia</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2705-1935</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кузнецова</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuznetsova</surname><given-names>А. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Анна Викторовна Кузнецова — ​кандидат биологических наук, старший научный сотрудник Лаборатории математической биофизики</p><p>Москва</p></bio><bio xml:lang="en"><p>Anna V. Kuznetsova — ​PhD Sci. (Bio), Senior Researcher Laboratory of Mathematical Biophysics</p><p>Moscow</p></bio><email xlink:type="simple">azforus@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5757-0341</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Борисова</surname><given-names>Л. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Borisova</surname><given-names>L. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Людмила Робертовна Борисова — ​кандидат физико-математических наук, доцент кафедры математики и анализа данных</p><p>Москва</p></bio><bio xml:lang="en"><p>Lyudmila R. Borisova — ​Cand. Sci. (Phys. And Math.) Assoc. Prof., Department of Mathematics and Data Analysis</p><p>Moscow</p></bio><email xlink:type="simple">lrborisova@fa.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0002-2802-0831</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Демина</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Demina</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ирина Алексеевна Демина — ​кандидат медицинских наук, врач, лаборант-исследователь Центрального НИИ эпидемиологии Роспотребнадзора</p><p>Москва</p></bio><bio xml:lang="en"><p>Irina A. Demina — ​Cand. Sci. (Med.), physician, Laboratory Assistant- Researcher of the Central Research Institute of Epidemiology, Federal Service for Surveillance on Consumer Rights Protection and Human Wellbeing</p><p>Moscow</p></bio><email xlink:type="simple">doctor.demira@gmail.com</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт биохимической физики им. Н.М. Эмануэля</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Biochemical Physics of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Финансовый университет при Правительстве Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Financial University under the Government of the Russian Federation</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Городская клиническая больница им. С.П. Боткина</institution><country>Россия</country></aff><aff xml:lang="en"><institution>S.P. Botkin City Clinical Hospita</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>19</day><month>11</month><year>2025</year></pub-date><volume>1</volume><issue>1</issue><fpage>6</fpage><lpage>19</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кузнецова А.В., Борисова Л.Р., Демина И.А., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Кузнецова А.В., Борисова Л.Р., Демина И.А.</copyright-holder><copyright-holder xml:lang="en">Kuznetsova А.V., Borisova L.R., Demina I.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.digitarin.ru/jour/article/view/3">https://www.digitarin.ru/jour/article/view/3</self-uri><abstract><p>Цель работы — прогнозирование осложнений при COVID-19 в виде пневмонии тяжелой степени по базе клинико-лабораторных данных методами машинного обучения (МО). Градация тяжести заболевания COVID-19 основана на результатах компьютерной томографии (КТ). Группы пациентов состояли из 31 пациента с тяжелой формой пневмонии (КТ 2–4) и 113 пациентов с нетяжелой формой (КТ 0–1) и без пневмонии. База данных включила 105 клинико-лабораторных показателей. Применены стандартные непараметрические критерии χ² и критерий Манна-Уиттни (U-тест) c коррекцией на множественное тестирование по Бонферрони-Холму. Выявлены 13 значимых показателей. Использованы методы машинного обучения (МО) системы анализа данных Data Master Azforus с применением лучших из них в виде ансамбля. Методы МО позволили построить мультифакторные нелинейные модели для прогнозирования. Для всего периода наблюдения результат прогнозирования методом статистически взвешенных синдромов (СВС) достиг значения ROC AUC = 0,9. Достаточно точный прогноз пневмонии тяжелой степени при COVID-19 оказалось возможно сделать по 26 наиболее значимым клинико-лабораторным показателям. Известные лечащим врачам клинические признаки, определяющие тяжесть течения пневмонии, подтверждены методами МО. Апробация модели доказала ее перспективность. Внедрение модели в практику повысит точность и оперативность диагностики тяжелого течения пневмонии. Система анализа данных Data Master Azforus (САД ДМА) позволит врачам-исследователям создавать рекомендательные системы по прогнозированию и диагностике заболеваний.</p></abstract><trans-abstract xml:lang="en"><p>The aim of the work is to predict complications in COVID-19 in the form of severe pneumonia based on clinical and laboratory data using machine learning (ML) methods. The severity of COVID-19 disease is based on the results of computed tomography (CT). The patient groups consisted of 31 patients with severe pneumonia (CT 2–4) and 113 patients with mild form (CT 0–1) and without pneumonia. The database included 105 clinical and laboratory parameters. The standard nonparametric criteria χ2 and the Mann-Whittney criterion (U-test) with correction for multiple Bonferroni- Holm testing were applied. 13 significant indicators have been identified. Machine learning (ML) methods of the data analysis system («Data Master Azforus») were used and the best of them were applied in the form of an ensemble. ML methods have made it possible to build multifactorial nonlinear models for forecasting. For the entire follow-up period, the prediction result by the method of statistically weighted syndromes (SWS) reached a value of ROC AUC = 0.9. It was possible to make a fairly accurate prediction of severe pneumonia in COVID-19 based on the 26 most significant clinical and laboratory indicators. The clinical signs known to the attending physicians that determine the severity of pneumonia have been confirmed by ML methods. The approbation of the model proved its promise. The introduction of the model into practice will increase the accuracy and efficiency of diagnosis of severe pneumonia. The data analysis system («Data Master Azforus») will allow research doctors to create recommendation systems for predicting and diagnosing diseases</p></trans-abstract><kwd-group xml:lang="ru"><kwd>COVID-19</kwd><kwd>пневмония</kwd><kwd>степени поражения</kwd><kwd>клинико-лабораторная диагностика</kwd><kwd>машинное обучение</kwd><kwd>прогностические модели</kwd></kwd-group><kwd-group xml:lang="en"><kwd>COVID-19</kwd><kwd>pneumonia</kwd><kwd>degrees of clinical</kwd><kwd>laboratory diagnostics</kwd><kwd>machine learning</kwd><kwd>predictive models</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Биличенко Т. Н. Факторы риска, иммунологические механизмы и биологические маркеры тяжелого течения COVID‑19 (обзор исследований). 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