{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,29]],"date-time":"2026-06-29T05:45:14Z","timestamp":1782711914998,"version":"3.54.5"},"reference-count":55,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2026,1,16]],"date-time":"2026-01-16T00:00:00Z","timestamp":1768521600000},"content-version":"vor","delay-in-days":15,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,1,1]],"date-time":"2026-01-01T00:00:00Z","timestamp":1767225600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Geriatrics Gerontology Int"],"published-print":{"date-parts":[[2026,1]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Aim<\/jats:title>\n                    <jats:p>\n                      Postoperative delirium (\n                      <jats:styled-content style=\"fixed-case\">POD<\/jats:styled-content>\n                      ) is a frequent neurological complication following surgery, often leading to poor prognoses. The red blood cell distribution width (\n                      <jats:styled-content style=\"fixed-case\">RDW<\/jats:styled-content>\n                      ) to albumin ratio (\n                      <jats:styled-content style=\"fixed-case\">RAR<\/jats:styled-content>\n                      ), an emerging indicator of inflammation and nutrition, was extensively utilized for prognostic evaluation of neurological disorders in elderly patients. However, the relationship between\n                      <jats:styled-content style=\"fixed-case\">RAR<\/jats:styled-content>\n                      and\n                      <jats:styled-content style=\"fixed-case\">POD<\/jats:styled-content>\n                      was not evaluated. This study aimed to investigate the independent risk factors for\n                      <jats:styled-content style=\"fixed-case\">POD<\/jats:styled-content>\n                      and assess the predictive value of preoperative\n                      <jats:styled-content style=\"fixed-case\">RAR<\/jats:styled-content>\n                      among elderly patients who had gastrointestinal tumors.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We conducted a retrospective analysis to collect perioperative data on 203 patients aged 65\u2009years or older undergoing gastrointestinal tumor surgery from November 2023 to August 2024. The risk factors for POD were detected through univariate and multivariate logistic regression analyses. Propensity score matching (PSM) was employed to make their clinical characteristics balanced.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Out of 203 patients, 30 (14.8%) experienced POD, with a median age of 70 (range 67\u201376). Hypertension, creatinine, MCH, and RAR were determined as independent risk factors for POD through multivariate logistic regression analysis. In the post\u2010PSM cohort, RAR was still verified as a factor influencing POD.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Hypertension, creatinine, MCH, and RAR were recognized as independent risk factors for postoperative delirium in patients following gastrointestinal tumor surgery. Particularly, the preoperative RAR served as a more efficient index for predicting POD.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Trial Registration<\/jats:title>\n                    <jats:p>Chinese Clinical Trial Center: ChiCTR2400094315<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/ggi.70323","type":"journal-article","created":{"date-parts":[[2026,1,17]],"date-time":"2026-01-17T00:44:16Z","timestamp":1768610656000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["The Red Blood Cell Distribution Width\u2013Albumin Ratio Predicts Postoperative Delirium in the Elderly With Gastrointestinal Tumors: A Retrospective Cohort Study"],"prefix":"10.1111","volume":"26","author":[{"given":"Jingkao","family":"Du","sequence":"first","affiliation":[{"name":"Department of Anesthesiology Hebei General Hospital  Shijiazhuang Hebei People's Republic of 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