A new method to estimate the histological stage of primary biliary cholangitis.

"Declarations GuarantorThe scientific guarantor of this publication is Yuan Zhang, MD. Conflict of interestThe authors of this manuscript declare no relationships with any companies whose products or services may be related to the subject matter of the article. Statistics and biometryOne of the authors, Professor Xing Hu, has significant statistical expertise. Informed consentWritten consent was obtained from all subjects (patients) in this study. Ethical approvalInstitutional Review Board approval was obtained. Methodologyprospective studyperformed at one institution Conflict of interest The authors of this manuscript declare no relationships with any companies whose products or services may be related to the subject matter of the article."

"Funding This work was supported by the Scientific Research Project of Beijing Youan Hospital, CCMU, 2019 (BJYAYY-GG2019-05) and 2022 (BJYAYY-YN2022-06)."

"Registration: Clinical trial registration: ChiCTR 2000032053, 2020/04/19."