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Data for 373 males from six sites born and followed during 2000-2015 were analyzed using Kaplan-Meier curve estimation and Cox proportional hazards modeling. Corticosteroids were offered to 75.6% of all males; 68.9% initiated use at median ages of 6.8 (offered) and 7.2 (used). The previously observed associations persisted. Further examination of these associations suggest diagnosis timing may partially account for the observed delays due to later diagnosis among non-Hispanic Black males and early diagnosis among those with a positive Duchenne muscular dystrophy family history. Further research into health inequities underlying diagnostic delays among non-Hispanic Black males and the safety profile of early corticosteroid use will further inform on variability in corticosteroid treatment.<\/jats:p>","DOI":"10.1177\/08830738251367466","type":"journal-article","created":{"date-parts":[[2025,8,29]],"date-time":"2025-08-29T13:23:23Z","timestamp":1756473803000},"page":"505-519","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Trends in Corticosteroid Use Among Males With Duchenne Muscular Dystrophy (DMD) During 2000-2015: Data From the MD STAR\n                    <i>net<\/i>"],"prefix":"10.1177","volume":"41","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3099-4520","authenticated-orcid":false,"given":"Shiny","family":"Thomas","sequence":"first","affiliation":[{"name":"New York State Department of Health"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tahereh","family":"Neyaz","sequence":"additional","affiliation":[{"name":"University of Iowa"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8633-966X","authenticated-orcid":false,"given":"Kristin M.","family":"Conway","sequence":"additional","affiliation":[{"name":"University of Iowa"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7687-751X","authenticated-orcid":false,"given":"Aida","family":"Soim","sequence":"additional","affiliation":[{"name":"New York State Department of Health"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5393-9984","authenticated-orcid":false,"given":"Paul A.","family":"Romitti","sequence":"additional","affiliation":[{"name":"University of Iowa"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Carla","family":"Zingariello","sequence":"additional","affiliation":[{"name":"University of Florida College of Medicine"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Joshua R.","family":"Mann","sequence":"additional","affiliation":[{"name":"University of Mississippi Medical Center"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"name":"Muscular Dystrophy Surveillance, Tracking, and Research Network (MD STARnet)","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2025,8,29]]},"reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(02)07815-7"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1152\/physrev.00028.2001"},{"issue":"2","key":"e_1_3_2_4_2","first-page":"121","article-title":"Improvement of survival in Duchenne muscular dystrophy: retrospective analysis of 835 patients","volume":"31","author":"Passamano L","year":"2012","unstructured":"Passamano L, Taglia A, Palladino A, et al. 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