{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,25]],"date-time":"2026-09-25T05:30:46Z","timestamp":1790314246894,"version":"4.1.0"},"reference-count":16,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2016,11,7]],"date-time":"2016-11-07T00:00:00Z","timestamp":1478476800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Muscle and Nerve"],"published-print":{"date-parts":[[2016,12]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:p><jats:italic>Introduction<\/jats:italic>: The MG\u2010QOL15 is a validated, health\u2010related quality of life (HRQOL) measure for myasthenia gravis (MG). Widespread use of the scale gave us the opportunity to further analyze its clinimetric properties. <jats:italic>Methods<\/jats:italic>: We first performed Rasch analysis on &gt;1,300 15\u2010item Myasthenia Gravis Quality of Life scale (MG\u2010QOL15) completed surveys. Results were discussed during a conference call with specialists and biostatisticians. We decided to revise 3 items and prospectively evaluate the revised scale (MG\u2010QOL15r) using either 3, 4, or 5 responses. Rasch analysis was then performed on &gt;1,300 MG\u2010QOL15r scales. <jats:italic>Results<\/jats:italic>: The MGQOL15r performed slightly better than the MG\u2010QOL15. The 3\u2010response option MG\u2010QOL15r demonstrated better clinimetric properties than the 4\u2010 or 5\u2010option scales. Relative distributions of item and person location estimates showed good coverage of disease severity. <jats:italic>Conclusions<\/jats:italic>: The MG\u2010QOL15r is now the preferred HRQOL instrument for MG because of improved clinimetrics and ease of use. This revision does not negate previous studies or interpretations of results using the MG\u2010QOL15. <jats:italic>Muscle Nerve<\/jats:italic> <jats:bold>54<\/jats:bold>: 1015\u20131022, 2016<\/jats:p>","DOI":"10.1002\/mus.25198","type":"journal-article","created":{"date-parts":[[2016,5,25]],"date-time":"2016-05-25T03:11:34Z","timestamp":1464145894000},"page":"1015-1022","source":"Crossref","is-referenced-by-count":149,"title":["International clinimetric evaluation of the MG\u2010QOL15, resulting in slight revision and subsequent validation of the MG\u2010QOL15r"],"prefix":"10.1002","volume":"54","author":[{"given":"Ted M.","family":"Burns","sequence":"first","affiliation":[{"name":"University of Virginia Department of Neurology Charlottesville Virginia 22908 USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Reza","family":"Sadjadi","sequence":"additional","affiliation":[{"name":"University of Rochester Rochester New York 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