TY - JOUR AU - Guo, Wei AU - Qi, Huaiqing AU - Wu, Zhenghao AU - Zhang, Kexin AU - Guo, Jun PY - 2025 TI - Nonlinear association between systemic immune-inflammation index and in-hospital mortality in critically ill patients with chronic obstructive pulmonary disease and atrial fibrillation: a cross-sectional study JF - Journal of Thoracic Disease; Vol 17, No 10 (October 31, 2025): Journal of Thoracic Disease Y2 - 2025 KW - N2 - UR - https://jtd.amegroups.org/article/view/107047