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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Traumatology and Orthopedics of Russia</journal-id><journal-title-group><journal-title xml:lang="en">Traumatology and Orthopedics of Russia</journal-title><trans-title-group xml:lang="ru"><trans-title>Травматология и ортопедия России</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2311-2905</issn><issn publication-format="electronic">2542-0933</issn><publisher><publisher-name xml:lang="en">Vreden National Medical Research Center of Traumatology and Orthopedics</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">17715</article-id><article-id pub-id-type="doi">10.17816/2311-2905-17715</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>CLINICAL STUDIES</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>КЛИНИЧЕСКИЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="zh"><subject>Clinical studies</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Cross-cultural adaptation and validation of the Russian-language version of the Manchester-Oxford Foot Questionnaire (MOxFQ) in patients with foot and ankle disorders</article-title><trans-title-group xml:lang="ru"><trans-title>Кросс-культурная адаптация и валидация русскоязычной версии опросника Manchester-Oxford Foot Questionnaire (MOxFQ) у пациентов с патологией стоп и голеностопных суставов</trans-title></trans-title-group><trans-title-group xml:lang="zh"><trans-title/></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3198-9985</contrib-id><name-alternatives><name xml:lang="en"><surname>Pashkova</surname><given-names>Ekaterina A.</given-names></name><name xml:lang="ru"><surname>Пашкова</surname><given-names>Екатерина Анатольевна</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Med.)</p></bio><bio xml:lang="ru"><p>канд. мед. наук</p></bio><email>caterinapashkova@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9948-9015</contrib-id><name-alternatives><name xml:lang="en"><surname>Sorokin</surname><given-names>Evgenii P.</given-names></name><name xml:lang="ru"><surname>Сорокин</surname><given-names>Евгений Петрович</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Med.)</p></bio><bio xml:lang="ru"><p>канд. мед. наук</p></bio><email>Sorokinortoped@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0000-2779-7564</contrib-id><name-alternatives><name xml:lang="en"><surname>Faustova</surname><given-names>Yulia P.</given-names></name><name xml:lang="ru"><surname>Фаустова</surname><given-names>Юлия Павловна</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>fausjulie99@mail.ru</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2762-816X</contrib-id><name-alternatives><name xml:lang="en"><surname>Konovalchuk</surname><given-names>Nikita S.</given-names></name><name xml:lang="ru"><surname>Коновальчук</surname><given-names>Никита Сергеевич</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Med.)</p></bio><bio xml:lang="ru"><p>канд. мед. наук</p></bio><email>konovalchuk91@yandex.ru</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0000-3309-2560</contrib-id><name-alternatives><name xml:lang="en"><surname>Kubrina</surname><given-names>Tatiana N.</given-names></name><name xml:lang="ru"><surname>Кубрина</surname><given-names>Татьяна Николаевна</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>Kubrina_1998@mail.ru</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2239-2792</contrib-id><name-alternatives><name xml:lang="en"><surname>Demyanova</surname><given-names>Ksenia A.</given-names></name><name xml:lang="ru"><surname>Демьянова</surname><given-names>Ксения Андреевна</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ksunyablack@yandex.ru</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9569-1566</contrib-id><name-alternatives><name xml:lang="en"><surname>Preobrazhensky</surname><given-names>Petr M.</given-names></name><name xml:lang="ru"><surname>Преображенский</surname><given-names>Петр Михайлович</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Med.)</p></bio><bio xml:lang="ru"><p>канд. мед. наук</p></bio><email>pedrro@yandex.ru</email><xref ref-type="aff" rid="aff3"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Vreden National Medical Research Center of Traumatology and Orthopedics</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр травматологии и ортопедии им. Р.Р. Вредена» Минздрава России</institution></aff><aff><institution xml:lang="zh"></institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">First Pavlov State Medical University</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Первый Санкт-Петербургский государственный медицинский университет им. акад. И.П. Павлова» Минздрава России</institution></aff><aff><institution xml:lang="zh"></institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Vreden National Medical Research Center of Traumatology and Orthopedics</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр травматологии и ортопедии им. Р.Р. Вредена» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2025-07-14" publication-format="electronic"><day>14</day><month>07</month><year>2025</year></pub-date><pub-date date-type="pub" iso-8601-date="2025-09-15" publication-format="electronic"><day>15</day><month>09</month><year>2025</year></pub-date><volume>31</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><issue-title xml:lang="zh"/><fpage>96</fpage><lpage>104</lpage><history><date date-type="received" iso-8601-date="2025-04-24"><day>24</day><month>04</month><year>2025</year></date><date date-type="accepted" iso-8601-date="2025-05-30"><day>30</day><month>05</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Эко-Вектор</copyright-statement><copyright-statement xml:lang="zh">Copyright ©; 2025,</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">Эко-Вектор</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc-nd/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journal.rniito.org/jour/article/view/17715">https://journal.rniito.org/jour/article/view/17715</self-uri><abstract xml:lang="en"><p><bold>Background</bold><bold>.</bold> The Manchester-Oxford Foot Questionnaire (MOxFQ) is one of the most validated and widely used tools assessing foot and ankle disorders based on patient-reported outcomes. To date, there has been no Russian-language version of the MOxFQ that has been adapted according to international methodological standards.</p> <p><bold>The</bold><bold> </bold><bold>aim</bold><bold> </bold><bold>of</bold><bold> </bold><bold>the</bold><bold> </bold><bold>study</bold> — to perform the cross-cultural adaptation and to assess the psychometric validity of the Russian-language version of the MOxFQ among patients with foot and ankle pathology.</p> <p><bold>Methods</bold><bold>. </bold>The study enrolled 50 patients who were in the preoperative stage of treatment for foot and ankle joint disorders. The MOxFQ was translated and adapted following the ISPOR guidelines. All patients completed both the MOxFQ and EQ-5D-5L questionnaires. Test-retest reliability was assessed 7-14 days later in 38 patients who had not undergone surgery or other interventions during this period. Internal consistency (Cronbach’s α), test-retest reliability (ICC), standard error of measurement (SEM), minimal detectable change (MDC), floor and ceiling effects, and construct validity were evaluated.</p> <p><bold>Results</bold><bold>.</bold> The Russian-language version of the MOxFQ showed high internal consistency (α = 0.878) and good test-retest reliability (ICC = 0.758). SEM accounted for 3.09 points; MDC — 8.55 points. No floor or ceiling effects were observed. Significant correlations were found between the total MOxFQ score and EQ-5D-5L domains (ρ = 0.599-0.745; p &lt; 0.001), as well as with the VAS (ρ = -0.564; p &lt; 0.001).</p> <p><bold>Conclusion</bold><bold>.</bold> The Russian-language version of the Manchester-Oxford Foot Questionnaire demonstrated strong psychometric properties and is recommended for use in clinical and research practice.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Актуальность. </bold>Манчестерско-Оксфордский опросник (Manchester-Oxford Foot Questionnaire, MOxFQ) является одним из наиболее валидированных и широко применяемых инструментов для оценки состояния стопы и голеностопного сустава на основе самоотчетов пациентов. В настоящее время отсутствует русскоязычная версия MOxFQ, адаптированная в соответствии с международными методологическими стандартами.</p> <p><bold>Цель исследования </bold>— кросс-культурная адаптация и психометрическая валидация русскоязычной версии опросника MOxFQ у пациентов с патологией стопы и голеностопного сустава.</p> <p><bold>Материал и методы.</bold> В исследование вошли 50 пациентов, находившихся на предоперационном этапе лечения заболеваний стопы и голеностопного сустава. Были проведены перевод и адаптация MOxFQ по методологии ISPOR. Все пациенты заполнили опросники MOxFQ и EQ-5D-5L. Повторное анкетирование через 7–14 дней было проведено у 38 пациентов, не получавших хирургического или иного вмешательства в этот период. Оценивались внутренняя согласованность (α Кронбаха), тест-ретест надежность (ICC), стандартная ошибка измерения (SEM), минимально значимое различие (MDC), эффекты «пола» и «потолка», конструктная валидность.</p> <p><bold>Результаты.</bold> Русская версия MOxFQ показала высокую внутреннюю согласованность (α = 0,878) и хорошую воспроизводимость (ICC = 0,758). SEM составила 3,09 балла; MDC — 8,55 балла. Эффекты «пола» и «потолка» отсутствовали. Обнаружены значимые корреляции между итоговыми баллами MOxFQ и доменами EQ-5D-5L (ρ = 0,599–0,745; p &lt; 0,001), а также с ВАШ (ρ = -0,564; p &lt; 0,001).</p> <p><bold>Заключение.</bold> Русскоязычная версия MOxFQ продемонстрировала высокие психометрические свойства и может быть рекомендована для применения в клинической и исследовательской практике.</p></trans-abstract><trans-abstract xml:lang="zh"><p/></trans-abstract><kwd-group xml:lang="en"><kwd>foot</kwd><kwd>ankle</kwd><kwd>MOxFQ</kwd><kwd>validation</kwd><kwd>PROM</kwd><kwd>questionnaire</kwd><kwd>EQ-5D-5L</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>стопа</kwd><kwd>голеностопный сустав</kwd><kwd>MOxFQ</kwd><kwd>валидация</kwd><kwd>PROM</kwd><kwd>опросник</kwd><kwd>EQ-5D-5L</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Vieira Cardoso D., Dubois-Ferrière V., Hannouche D., Lübbeke A., Perneger T. 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