Efficacy of large language models in detecting postoperative delirium from unstructured clinical notes: A retrospective cohort study. - Da-In Eun; Hyung-Chul Lee; Gang Heo; Jae Hoon Jeong; Jipyeong Lee; Hyeonhoon Lee; Sang-Youn Park; Karam Nam; Ho-Jin Lee; Jae-Woo Ju (npj Digit. Medicine, 2026)