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Healthcare utilization, including hospital admissions, hospital days, primary care encounters and mortality, was evaluated during 2019. Inclusion required at least one measurement of glycated hemoglobin (HbA1c) and estimated glomerular filtration rate (eGFR). Kidney function was classified by eGFR\u2009\u2265\u200960; 30\u201359; &lt;30 mL\/min\/1.73\u00a0m\u00b2, and HbA1c as &lt;\u200952, 52\u201370, or &gt;\u200970 mmol\/mol. Associations with hospital days were analyzed using Poisson regression adjusted for demographic, clinical, and treatment variables.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The cohort comprised 1,446 individuals (49% women); 88 patients (6%) died during follow\u2011up. HbA1c was &lt;\u200952 mmol\/mol in 43%, 52\u201370 mmol\/mol in 45%, and &gt;\u200970 mmol\/mol in 12%. CKD was common, with 56% classified as stage 3 and 10% as stage 4\u20135. Hospital days were higher among individuals with CKD stage 4\u20135 (RR 1.93, 95% CI:1.71\u20132.17) and HbA1c\u2009&gt;\u200970 mmol\/mol (RR 1.44, 95% CI:1.28\u20131.61). Primary care encounters were frequent (physician visits: 4.6 [SD 3.7]; nurse visits: 9.0 [SD 9.3]) and associated with CKD but not with glucose dysregulation. Insulin use was associated with more hospital days, whereas metformin and incretin\u2011based therapy were associated with fewer.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>In adults aged\u2009\u2265\u200975 years with T2D, hospitalization burden was substantial and was associated with advanced CKD and poor glycemic control, while primary care encounters were frequent. These findings demonstrate an association between kidney function, glycemic status, and healthcare utilization in older adults with T2D.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1186\/s12877-026-08386-7","type":"journal-article","created":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T17:43:38Z","timestamp":1791222218000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Hospitalization in adults aged 75 years and older with type 2 diabetes: the role of kidney impairment and glycemic control"],"prefix":"10.1186","volume":"26","author":[{"given":"Bertin","family":"Magamba","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0206-8538","authenticated-orcid":false,"given":"Junmei Miao","family":"Jonasson","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Louise","family":"Pettersson","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anders","family":"Halling","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bj\u00f6rn","family":"Agvall","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,10,5]]},"reference":[{"key":"8386_CR1","doi-asserted-by":"publisher","first-page":"1692","DOI":"10.1007\/s00125-016-3971-y","volume":"59","author":"A Norhammar","year":"2016","unstructured":"Norhammar A, Bodeg\u00e5rd J, Nystr\u00f6m T, et al. 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