Retrospective cohort study based on the MIMIC-IV database: analysis of factors influencing all-cause mortality at 30 days, 90 days, 1 year, and 3 years in patients with different types of stroke - Fan, Xuehui; Xu, Jing; Ye, Ruixue; Zhang, Qiu; Wang, Yulong (Frontiers in Neurology, 2025)