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Impact of comorbidity burden on 28-day in-hospital mortality in intubated patients with AECOPD: a retrospective cohort study based on the MIMIC-Ⅳ database
Jian-ying LIU, Chen-chen HUANG, Pei-hong ZHANG, Hong-ni JIANG, Da-wei YANG, Yi-jiao XU
Fudan University Journal of Medical Sciences . 2026, (03): 319 -330, 368 .  DOI: 10.3969/j.issn.1672-8467.2026.03.003