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In this systematic review and meta\u2010analysis that included 17,519 athletes in 122 references from 23 countries, participating in 62 unique sports over a 41\u2010year timeframe, approximately 53.9% of student\u2010athletes were found to be hypoferritinemic (ferritin concentration below 50\u00a0mcg\/L) with 23.0% percent showing absolute iron deficiency based on current definitions (ferritin concentration below 20\u00a0mcg\/L). These findings strongly suggest that changes in clinical practice guidelines are warranted to enable routine screening for iron deficiency among adolescent and collegiate athletes.<\/jats:p>","DOI":"10.1002\/pbc.31415","type":"journal-article","created":{"date-parts":[[2024,11,12]],"date-time":"2024-11-12T13:11:38Z","timestamp":1731417098000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["The Global Prevalence of Iron Deficiency in Collegiate Athletes: A Systematic Review and Meta\u2010Analysis"],"prefix":"10.1002","volume":"72","author":[{"ORCID":"https:\/\/orcid.org\/0009-0009-4149-3562","authenticated-orcid":false,"given":"Christineil","family":"Thompson","sequence":"first","affiliation":[{"name":"Division of Pediatric Hematology\u2010Oncology Mayo Clinic  Rochester Minnesota USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Darci","family":"Block","sequence":"additional","affiliation":[{"name":"Department of Laboratory Medicine and Pathology Mayo Clinic  Rochester Minnesota USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhen","family":"Wang","sequence":"additional","affiliation":[{"name":"Kern Center for the Science of Health Care Delivery Mayo Clinic  Rochester Minnesota USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nathan","family":"Foster","sequence":"additional","affiliation":[{"name":"Department of Health Sciences Research Mayo Clinic  Rochester Minnesota USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Leslie C.","family":"Hassett","sequence":"additional","affiliation":[{"name":"Mayo Clinic Libraries Mayo Clinic  Rochester Minnesota USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dana","family":"Steien","sequence":"additional","affiliation":[{"name":"Division of Pediatric Gastroenterology and Hepatology Mayo Clinic  Rochester Minnesota USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0322-8882","authenticated-orcid":false,"given":"Paul","family":"Galardy","sequence":"additional","affiliation":[{"name":"Division of Pediatric Hematology\u2010Oncology Mayo Clinic  Rochester Minnesota USA"},{"name":"Department of Biochemistry and Molecular Biology Mayo Clinic  Rochester Minnesota USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ahmad","family":"Al\u2010Huniti","sequence":"additional","affiliation":[{"name":"Division of Pediatric Hematology\u2010Oncology Mayo Clinic  Rochester Minnesota USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,11,12]]},"reference":[{"key":"e_1_2_11_2_1","unstructured":"WHO guideline on use of ferritin concentrations to assess iron status in individuals and populations[Internet].Geneva:World Health Organization;2020. 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