Point-of-care testing for cerebral edema types based on symmetric cancellation near-field coupling phase shift and support vector machine.

"additional file 1. all data"

"Declarations Ethics approval and consent to participateNot applicable. Consent for publicationNot applicable. Competing interestsAll the authors declare that they have no competing interests. Competing interests All the authors declare that they have no competing interests."

"Funding This research was supported by the National Natural Science Foundation of China (No. 62001070). This work was also supported by the Natural Science Foundation of Chongqing (No. cstc2020jcyj-msxmX0322) and the Graduate Student Innovation Program of Chongqing University of Technology (No. gzlcx20222094 and No. gzlcx20232111). This work was also supported by the Chongqing University of Technology Research and Innovation Team Cultivation Program (No. 2023TDZ012). This work was supported by the Science and Technology Research Program of Chongqing Municipal Education Commission (KJQN202001122)."