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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">ntv</journal-id><journal-title-group><journal-title xml:lang="ru">Научно-технический вестник информационных технологий, механики и оптики</journal-title><trans-title-group xml:lang="en"><trans-title>Scientific and Technical Journal of Information Technologies, Mechanics and Optics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2226-1494</issn><issn pub-type="epub">2500-0373</issn><publisher><publisher-name>Университет ИТМО</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17586/2226-1494-2023-23-3-595-607</article-id><article-id custom-type="elpub" pub-id-type="custom">ntv-35</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>ИСКУССТВЕННЫЙ ИНТЕЛЛЕКТ И КОГНИТИВНЫЕ ИНФОРМАЦИОННЫЕ ТЕХНОЛОГИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ARTIFICIAL INTELLIGENCE AND COGNITIVE INFORMATION TECHNOLOGIES</subject></subj-group></article-categories><title-group><article-title>Интеллектуальная поддержка клинических решений при небольших выборках числа пациентов</article-title><trans-title-group xml:lang="en"><trans-title>Intelligent clinical decision support for small patient datasets</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5483-716X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ватьян</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Vatian</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ватьян Александра Сергеевна — кандидат технических наук, доцент</p><p>sc 57191870868 </p><p>Санкт-Петербург, 197101 </p></bio><bio xml:lang="en"><p>Alexandra S. Vatian — PhD, Assistant Professor </p><p>sc 57191870868 </p><p>Saint Petersburg, 197101 </p></bio><email xlink:type="simple">alexvatyan@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7417-6947</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Голубев</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Golubev</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Голубев Александр Андреевич — аспирант </p><p>Санкт-Петербург, 197101 </p></bio><bio xml:lang="en"><p>Alexander A. Golubev — PhD Student </p><p>Saint Petersburg, 197101 </p></bio><email xlink:type="simple">9459539@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1361-6037</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гусарова</surname><given-names>Н. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Gusarova</surname><given-names>N. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гусарова Наталия Федоровна — кандидат технических наук, доцент </p><p>sc 57162764200 </p><p>Санкт-Петербург, 197101 </p></bio><bio xml:lang="en"><p>Natalia F. Gusarova — PhD, Associate Professor </p><p>sc 57162764200 </p><p>Saint Petersburg, 197101 </p></bio><email xlink:type="simple">natfed@list.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/0000-0001-6206-8033</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Добренко</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Dobrenko</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Добренко Наталья Викторовна — кандидат технических наук, доцент</p><p>sc 56499375200 </p><p>Санкт-Петербург, 197101 </p></bio><bio xml:lang="en"><p>Natalia V. Dobrenko — PhD, Associate Professor </p><p>sc 56499375200 </p><p>Saint Petersburg, 197101 </p></bio><email xlink:type="simple">graziokisa@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/0000-0001-6953-5239</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зубаненко</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Zubanenko</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Зубаненко Алексей Александрович — медицинский директор </p><p>sc 57215436184 </p><p>Санкт-Петербург, 191119 </p></bio><bio xml:lang="en"><p>Aleksei A. Zubanenko — Clinical Director </p><p>sc 57215436184 </p><p>Saint Petersburg, 191119 </p></bio><email xlink:type="simple">zubdocmri@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6117-1266</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кустова</surname><given-names>Е. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Kustova</surname><given-names>E. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кустова Екатерина Сергеевна — студент </p><p>Санкт-Петербург, 197101 </p></bio><bio xml:lang="en"><p>Ekaterina S. Kustova — Student </p><p>Saint Petersburg, 197101 </p></bio><email xlink:type="simple">Katya.Kustova@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9046-2457</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Татаринова</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Tatarinova</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Татаринова Анна Андреевна — кандидат медицинских наук, старший научный сотрудник, старший научный сотрудник</p><p>sc 6603195545 </p><p>Санкт-Петербург, 197341 </p></bio><bio xml:lang="en"><p>Anna A. Tatarinova — PhD (Medicine), Senior Researcher </p><p>sc 6603195545 </p><p>Saint Petersburg, 197341 </p></bio><email xlink:type="simple">antsvet.18@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1886-2867</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Томилов</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Tomilov</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Томилов Иван Вячеславович — старший лаборант </p><p>sc 57772599000 </p><p>Санкт-Петербург, 197101 </p></bio><bio xml:lang="en"><p>Ivan V. Tomilov — Senior Laboratory Assistant </p><p>sc 57772599000 </p><p>Saint Petersburg, 197101 </p></bio><email xlink:type="simple">ivan-tomilov3@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/0000-0001-7777-6972</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шовкопляс</surname><given-names>Г. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Shovkoplyas</surname><given-names>G. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шовкопляс Григорий Филиппович — инженер </p><p>sc 57222048908 </p><p>Санкт-Петербург, 197101 </p></bio><bio xml:lang="en"><p>Grigorii F. Shovkoplyas — Engineer </p><p>sc 57222048908 </p><p>Saint Petersburg, 197101 </p></bio><email xlink:type="simple">grigory.96@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Университет ИТМО</institution><country>Россия</country></aff><aff xml:lang="en"><institution>ITMO University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ООО «ИМВИЖН»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Imaging Medical Vision (IMV) LLC</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Национальный медицинский исследовательский центр им. В.А. Алмазова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Almazov National Medical Research Center</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>11</day><month>12</month><year>2024</year></pub-date><volume>23</volume><issue>3</issue><fpage>595</fpage><lpage>607</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ватьян А.С., Голубев А.А., Гусарова Н.Ф., Добренко Н.В., Зубаненко А.А., Кустова Е.С., Татаринова А.А., Томилов И.В., Шовкопляс Г.Ф., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Ватьян А.С., Голубев А.А., Гусарова Н.Ф., Добренко Н.В., Зубаненко А.А., Кустова Е.С., Татаринова А.А., Томилов И.В., Шовкопляс Г.Ф.</copyright-holder><copyright-holder xml:lang="en">Vatian A.S., Golubev A.A., Gusarova N.F., Dobrenko N.V., Zubanenko A.A., Kustova E.S., Tatarinova A.A., Tomilov I.V., Shovkoplyas G.F.</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://ntv.elpub.ru/jour/article/view/35">https://ntv.elpub.ru/jour/article/view/35</self-uri><abstract><p>Введение. Рассмотрены пути обоснования клинического решения врачей в условиях отсутствия клинических протоколов лечения. Метод. Выполнена сравнительная оценка статистических методов ранжирования клинических симптомов по степени значимости для прогнозирования исхода заболевания в условиях небольшой выборки числа пациентов с COVID-19 и сердечно-сосудистыми заболеваниями в анамнезе. Набор данных (141 пациент, 81 фактор) сформирован по материалам электронных медицинских карт пациентов ФГБУ «Национальный медицинский исследовательский центр имени В.А. Алмазова». Выделен поднабор контролируемых факторов риска (51 фактор). Для ранжирования факторов использованы методы дескриптивной статистики (однофакторный дисперсионный анализ, тесты Манна-Уитни и χ²) и методы снижения размерности (одномерная линейная регрессия в сочетании с множественной логистической регрессией, обобщенный дискриминантный анализ, а также различные варианты алгоритмов дерева решений). Для сравнения результатов ранжирования и оценки статистической устойчивости применена корреляция Кендалла, визуализированная в виде тепловой карты и позиционного графика. Основные результаты. Установлено, что использование методов дескриптивной статистики правомерно при ранжировании на небольших размерах выборки пациентов. Показано, что ансамблирование результатов ранжирования может оказаться статистически несостоятельным. Сделан вывод, что позиции одних и тех же признаков, полученных при ранжировании их в составе полного набора и поднабора признаков, не совпадают, поэтому при выборе метода статистической обработки для экспертной оценки следует учитывать содержательную постановку задачи. Показано, что статистическая устойчивость ранжирования в условиях малых выборок зависит от количества учитываемых признаков, и эта зависимость существенно отличается для разных методов ранжирования. Обсуждение. Предложенная методика интеллектуальной поддержки и верификации клинических решений в аспекте выбора наиболее значимых клинических признаков может найти применение для выбора и обоснования тактики ведения пациентов при отсутствии клинических протоколов.</p></abstract><trans-abstract xml:lang="en"><p>The ways of substantiating the clinical decision of doctors in the absence of clinical treatment protocols are considered. A comparative evaluation of various statistical methods for ranking clinical symptoms in terms of significance for predicting the outcome of the disease in a small sample of patients with COVID-19 and a history of cardiovascular diseases was performed. The data set (141 patients, 81 factors) was formed based on the materials of electronic medical records of patients of the Federal State Budgetary Institution “National Medical Research Center named after V.A. Almazov”. A subset of controllable risk factors (51 factors) was identified. Descriptive statistics methods (one-way ANOVA, Mann-Whitney and χ² tests) and dimensionality reduction methods (univariate linear regression combined with multiple logistic regression, generalized discriminant analysis, and various decision tree algorithms) were used to rank the factors. To compare the ranking results and evaluate the statistical stability, Kendall’s correlation was used, visualized as a heat map and a positional graph. It has been established that the use of descriptive statistics methods is justified when ranking on a small sample size of patients. It is shown that the ensemble of ranking results may be statistically inconsistent. It is concluded that the positions of the same features obtained by ranking them as part of a complete set and a subset of features do not match; therefore, when choosing a statistical processing method for expert evaluation, one should take into account the meaningful formulation of the problem. It is shown that the statistical stability of ranking under conditions of small samples depends on the number of features taken into account, and this dependence is significantly different for different ranking methods. The proposed method of intellectual support and verification of clinical decisions in terms of choosing the most significant clinical signs can be used to select and justify the tactics of managing patients in the absence of clinical protocols.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>поддержка клинических решений</kwd><kwd>клиническая экспертиза</kwd><kwd>ранжирование признаков</kwd><kwd>небольшие группы</kwd><kwd>статистические методы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>clinical decision support</kwd><kwd>clinical expertise</kwd><kwd>feature ranking</kwd><kwd>small cohorts</kwd><kwd>statistical methods</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа поддержана грантом Президента Российской Федерации для государственной поддержки молодых российских ученых – кандидатов наук МК-5723.2021.1.6.</funding-statement><funding-statement xml:lang="en">The work was supported by the grant of the President of the Russian Federation for state support of young Russian scientists — candidates of sciences MK-5723.2021.1.6</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Adu-Amankwaah J., Mprah R., Adekunle A.O., Noah M.L.N., Adzika G.K., Machuki J.O., Sun H. 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