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This study aimed to translate the COMQ-12 into German and to validate the resulting German version, and assess its psychometric properties.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>The COMQ-12 underwent forward\u2013backward translation into German. Seventy-nine patients with COM who underwent middle ear surgery were prospectively enrolled. HRQoL was assessed preoperatively and 6\u00a0months postoperatively via the German COMQ-12. Additionally, pure tone audiometry was performed at both time points. Psychometric properties, including internal consistency, test\u2013retest reliability, discriminant validity, agreement validity, responsiveness, and response shift, were evaluated.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The German COMQ-12 demonstrated high internal consistency both preoperatively (Cronbach\u2019s \u03b1\u2009=\u20090.87) and postoperatively (Cronbach\u2019s \u03b1\u2009=\u20090.84). The test\u2013retest reliability was high (r\u2009=\u20090.89). It significantly discriminated between COM patients and healthy controls (\n                      <jats:italic>p\u2009&lt;\u2009<\/jats:italic>\n                      0.001) and showed strong convergent validity with a global health-specific question (\n                      <jats:italic>r<\/jats:italic>\n                      \u2009=\u20090.64,\n                      <jats:italic>p\u2009&lt;\u2009<\/jats:italic>\n                      0.001). The questionnaire exhibited high responsiveness (standardized response mea\n                      <jats:italic>n\u2009=<\/jats:italic>\n                      \u2009-0.80) with minimal response shift effects (effect size\u2009=\u20090.30). The correlations with the audiometric parameters were weak (\n                      <jats:italic>r<\/jats:italic>\n                      \u2009=\u20090.11\u20130.16).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>The German version of the COMQ-12 has satisfactory psychometric properties and can be recommended for assessing HRQoL in German-speaking population with COM. Its suitability for evaluating symptom-related quality of life is due to its symptom-focused design and high level of responsiveness. Its low response shift also makes it ideal for longitudinal monitoring of treatment outcomes.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1186\/s40359-026-04713-0","type":"journal-article","created":{"date-parts":[[2026,5,16]],"date-time":"2026-05-16T06:05:21Z","timestamp":1778911521000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Translation and validation of the German version of the Chronic Otitis Media Questionnaire-12 (COMQ-12): a psychometric analysis"],"prefix":"10.1186","volume":"14","author":[{"given":"Michael","family":"Knoke","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marcus","family":"Neudert","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thomas","family":"Zahnert","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Susen","family":"Lailach","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2026,5,16]]},"reference":[{"key":"4713_CR1","doi-asserted-by":"publisher","unstructured":"Lailach S, Baumann I, Zahnert T, Neudert M. 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