{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,16]],"date-time":"2026-06-16T23:01:19Z","timestamp":1781650879444,"version":"3.54.5"},"reference-count":0,"publisher":"IOS Press","isbn-type":[{"value":"9781643686080","type":"electronic"}],"license":[{"start":{"date-parts":[[2025,8,7]],"date-time":"2025-08-07T00:00:00Z","timestamp":1754524800000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,8,7]]},"abstract":"<jats:p>Longitudinal healthcare data enable time series forecasting to support clinical decision-making, but task-specific models face challenges in generalizability and resource constraints. This study evaluates the zero-shot performance of three foundation models\u2014Chronos, Time-LLM, and Time-MoE\u2014against optimized task-specific models using electronic health records from a German hospital and two external validation datasets. Across three clinical use cases, task-specific models outperformed zero-shot models in accuracy, but zero-shot models demonstrated strong generalization in external datasets. These findings suggest zero-shot models can be a viable option for scenarios where retraining is impractical, offering ease of implementation and transferability.<\/jats:p>","DOI":"10.3233\/shti250954","type":"book-chapter","created":{"date-parts":[[2025,8,7]],"date-time":"2025-08-07T11:36:19Z","timestamp":1754566579000},"source":"Crossref","is-referenced-by-count":2,"title":["Evaluating Zero-Shot Foundation Models for Time Series Forecasting in Clinical Settings: A Simulation Study with Electronic Health Records"],"prefix":"10.3233","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3519-0217","authenticated-orcid":false,"given":"Gernot","family":"Pucher","sequence":"first","affiliation":[{"name":"Department of Hematology and Stem Cell Transplantation, University Hospital Essen, Germany"},{"name":"Laboratory for Clinical Research and Real-World Evidence, Institute for Artificial Intelligence in Medicine, University Hospital Essen, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amin","family":"Dada","sequence":"additional","affiliation":[{"name":"Institute for Artificial Intelligence in Medicine, University Hospital Essen, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Felix","family":"Nensa","sequence":"additional","affiliation":[{"name":"Institute for Artificial Intelligence in Medicine, University Hospital Essen, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Martin","family":"Schuler","sequence":"additional","affiliation":[{"name":"Department of Medical Oncology, University Hospital Essen, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christian","family":"Reinhardt","sequence":"additional","affiliation":[{"name":"Department of Hematology and Stem Cell Transplantation, University Hospital Essen, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jens","family":"Kleesiek","sequence":"additional","affiliation":[{"name":"Department of Hematology and Stem Cell Transplantation, University Hospital Essen, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christopher M.","family":"Sauer","sequence":"additional","affiliation":[{"name":"Department of Hematology and Stem Cell Transplantation, University Hospital Essen, Germany"},{"name":"Laboratory for Clinical Research and Real-World Evidence, Institute for Artificial Intelligence in Medicine, University Hospital Essen, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"7437","container-title":["Studies in Health Technology and Informatics","MEDINFO 2025 \u2014 Healthcare Smart \u00d7 Medicine Deep"],"original-title":[],"link":[{"URL":"https:\/\/ebooks.iospress.nl\/pdf\/doi\/10.3233\/SHTI250954","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,8,7]],"date-time":"2025-08-07T11:36:19Z","timestamp":1754566579000},"score":1,"resource":{"primary":{"URL":"https:\/\/ebooks.iospress.nl\/doi\/10.3233\/SHTI250954"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,8,7]]},"ISBN":["9781643686080"],"references-count":0,"URL":"https:\/\/doi.org\/10.3233\/shti250954","relation":{},"ISSN":["0926-9630","1879-8365"],"issn-type":[{"value":"0926-9630","type":"print"},{"value":"1879-8365","type":"electronic"}],"subject":[],"published":{"date-parts":[[2025,8,7]]}}}