AUTHOR=Li Aikang , Liang Rongji , Wu Liangbin , Cai Minghua , Chen Jiayou , Gong Yao , Zeng Shaoyin TITLE=Analysis of ASAS health index and its influencing factors in ankylosing spondylitis: a prospective study based on the population of Chaoshan region JOURNAL=Frontiers in Medicine VOLUME=11 YEAR=2025 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2024.1499798 DOI=10.3389/fmed.2024.1499798 ISSN=2296-858X