IL-5, IL-31 and systemic immune-inflammation index as biomarkers predicting severity and progression in bullous pemphigoid Authors Yan Zhao Haizhou Zhou Jianwei Hao (ORCID: https://orcid.org/0000-0003-4819-314X) Hongwei Zhou (ORCID: https://orcid.org/0000-0002-7518-9464) Lili Hou (ORCID: https://orcid.org/0000-0001-9453-4924) Yuan Ren (ORCID: https://orcid.org/0009-0009-3503-0780) Chunyang Xu (ORCID: https://orcid.org/0000-0002-2015-7094) Xia Liu (ORCID: https://orcid.org/0000-0002-8062-757X) Na Zhang (ORCID: https://orcid.org/0000-0001-7850-280X) Zhiyu Liu (ORCID: https://orcid.org/0000-0001-8351-1268) Xiaoqing Li (ORCID: https://orcid.org/0000-0002-7485-5592) Yanyu Zhang (ORCID: https://orcid.org/0009-0001-6623-2221) Jing Tian (ORCID: https://orcid.org/0000-0002-4875-4739) Institutions Harbin Medical University (CN) Second Affiliated Hospital of Harbin Medical University (CN) First Affiliated Hospital of Harbin Medical University (CN) Explore the Global Research Space Interactive Map