Liver fat volume fraction measurements based on multi-material decomposition algorithm in patients with nonalcoholic fatty liver disease: the influences of blood vessel, location, and iodine contrast.

"Declarations Ethics approval and consent to participateThe study was performed in accordance with the ethical guidelines of the Declaration of Helsinki. After carefully reviewing on the whole study process and protocol, unanimous suggestion obtained from all members of the Institutional Ethics Committee of Zhongshan Hospital (Xiamen) Fudan University, and the study was approved with the approval number B2023-094. The study did not have any impact on the subjects with scanning under spectral mode, and the final data were anonymized. Informed consent was waived because of the retrospective nature of the study. Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding Fujian Natural Science Foundation Projects Grand (2022J011425) provided support in the writing and publication of manuscript."