Elevated Eosinophil Counts in Acute Exacerbations of Bronchiectasis: Unveiling a Distinct Clinical Phenotype.

"Declarations Conflict of interestThe authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. Ethical ApprovalEthics committee approval was obtained from the First Affiliated Hospital of Guangzhou Medical University of the study (No.2022-55). Informed consent was waived because of the retrospective nature of this research. Conflict of interest The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest."

"Funding This work was supported by a grant from the Foundation of the National Key Laboratory of Respiratory Diseases (SKLRD-Z-202308) and the Science and Technology Program of Guangzhou (Grant No. 202201020434)."