Artificial Intelligence-powered tiered early warning framework addressing high false alarm rates for in-hospital mortality prediction. - Lijuan Wu; Liyi Mai; Hongnian Wang; Jinxin Huang; Xinrong He; Xueyun Zhan; Anna Khalemsky; Vijaya Arun Kumar; James H. Paxton; Dionyssios Tsilimingras; Said Hachimi-Idrissi; Shan W. Liu; et al. (npj Digit. Medicine, 2026)