Study on predictive models for swallowing risk in patients with AECOPD.

"Declarations Competing interestsThe authors declare no competing interests. Ethics approval and consent to participateThis study was conducted according to the guidelines of the Declaration of Helsinki and was approved by Medical Ethics Committee of Guangdong Provincial Hospital OF Chinese Medicine (Number: ZF2022-278-01). Every participants’ informed consent was obtained, with the right to withdraw from the study when they want, and their names and other confdential details were protected. No harm was brought on the participants. Consent for publicationConsent from participants was obtained to publish the data as anonymous data only. Competing interests The authors declare no competing interests."

"Funding This study is funded by the Science and Technology Research Project of Guangdong Provincial Hospital of Chinese Medicine (YN2022MS05)."