Prognostic value of the prognostic nutritional index for patients with acute myocardial infarction undergoing percutaneous coronary intervention with variable glucose metabolism statuses: a retrospective cohort study.

"Declarations Ethics approval and consent to participateAll traceable personal identifiers were removed from the analytic dataset to protect patients’ privacy. The study protocol was approved by Guangdong Provincial People’s Hospital ethics committee and the study was performed according to the declaration of Helsinki. Consent for publicationNot applicable. Competing interestsThe authors declare that they have no competing interests. Competing interests The authors declare that they have no competing interests."

"Funding National Natural Science Foundation of China (82170440, U220A20270); Hainan Province Science and Technology special fund (ZDYF2020122); Natural Science Foundation of Hainan Provincial (821QN0986); Hainan Provincial Health Foundation (20A200369, 22A200130); National Science Fund for Distinguished Young Scholars (JBGS202104); the Cardiovascular Disease Research Science Innovation Group of Hainan Medical University; the Project of Hainan Province Clinical Medical Center; Guangdong Provincial science and technology project (2020B1111170011, KJ022021049).Open Fund for Key Laboratory of Emergency and Trauma Research, Ministry of Education（KLET-202214）;China Scholarship Scheme (China Scholarship Council [CSC]) from simply China Scholarship Council, Grant/Award Number(CSCNO.202287)."