{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T14:31:11Z","timestamp":1787063471443,"version":"build-2736575974"},"reference-count":39,"publisher":"Korean Association of Internal Medicine","issue":"4","license":[{"start":{"date-parts":[[2025,7,1]],"date-time":"2025-07-01T00:00:00Z","timestamp":1751328000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/3.0\/"}],"content-domain":{"domain":["kjim.org"],"crossmark-restriction":true},"short-container-title":["Korean J Intern Med"],"published-print":{"date-parts":[[2025,7,1]]},"abstract":"<jats:p>Background\/Aims: The unclear relationship between body mass index (BMI) and post-hematopoietic stem cell transplantation (HSCT) mortality was investigated, including the impact of metabolic diseases.Methods: This retrospective study conducted at a Korean tertiary hospital (2009\u20132021) included patients who underwent HSCT. Patients were categorized as underweight (BMI &lt; 18.5 kg\/m2, n = 106), normal (BMI 18.5\u201322.9 kg\/m2, n = 1,345), overweight (BMI 23.0\u201324.9 kg\/m2, n = 980), or obese (BMI \u2265 25.0 kg\/m2, n = 1,471). Diabetes mellitus (DM), hypertension, and dyslipidemia were identified by disease codes or medication prescriptions. A Cox proportional hazards model was used to analyze mortality risks.Results: Over 108 months, 29.8% (1,164\/3,902) of the participants died. Patients with underweight had significantly higher mortality (adjusted HR 1.76, 95% CI 1.29\u20132.40, p &lt; 0.001) than in those with normal BMI. Patients with overweight and obesity did not show increased mortality. Post-HSCT, DM significantly raised mortality risk (HR 3.36, 95% CI 2.86\u20133.94, p &lt; 0.001), whereas newly diagnosed dyslipidemia was associated with lower mortality (HR 0.27, 95% CI 0.23\u20130.33, p &lt; 0.001). Post-transplant hypertension had no significant impact on mortality (HR 1.10, 95% CI 0.95\u20131.28, p = 0.184).Conclusions: Post-HSCT, obesity is not a prognostic factor for poor survival; however, certain metabolic diseases have diverse effects on mortality.<\/jats:p>","DOI":"10.3904\/kjim.2024.246","type":"journal-article","created":{"date-parts":[[2025,6,30]],"date-time":"2025-06-30T21:50:48Z","timestamp":1751320248000},"page":"645-656","update-policy":"https:\/\/doi.org\/10.3904\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Association between body mass index and survival after hematopoietic stem cell transplantation"],"prefix":"10.3904","volume":"40","author":[{"given":"Han-Sang","family":"Baek","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jong 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