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NPJ Digit Med, 2026;9(1):206.","DOI":"10.1038\/s41746-026-02398-8"}],"container-title":["BMC Geriatrics"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/article\/10.1186\/s12877-026-07620-6","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1186\/s12877-026-07620-6.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1186\/s12877-026-07620-6.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,7,13]],"date-time":"2026-07-13T04:01:19Z","timestamp":1783915279000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1186\/s12877-026-07620-6"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,5,19]]},"references-count":45,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2026,12]]}},"alternative-id":["7620"],"URL":"https:\/\/doi.org\/10.1186\/s12877-026-07620-6","relation":{},"ISSN":["1471-2318"],"issn-type":[{"value":"1471-2318","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,5,19]]},"assertion":[{"value":"1 December 2025","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"5 May 2026","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"19 May 2026","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"The study was carried out in accordance with the Declaration of Helsinki and ethical approval for this study was obtained from the Ethics Committee of West China Hospital, Sichuan University (approval number 2025\u2014140). A waiver of informed consent was granted for the retrospective data collection, as this phase solely utilized routinely collected clinical data without any additional interventions. For the prospective phase, written informed consent is obtained from all participants (or their legally authorized representatives) upon hospital admission, authorizing the use of their perioperative data for this research. Any future advanced research based on the PROTECT cohort that requires additional data collection, expansion of the study population, or the addition of new participating centers will require separate ethical approval and specific informed consent. The study protocol has been registered in the Chinese Clinical Trial Registry (ChiCTR2500110517).","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval"}},{"value":"Not Applicable.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declare no competing interests.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"942"}}