Health benefit of patients with established rheumatoid arthritis and its influencing factors: a multicenter study in China

Cross-sectional data of RA patients in the intermediate and advanced stages from 8 tertiary hospitals in four provincial capitals Nanjing, Hangzhou, Chengdu and Shijiazhuang (two of each) were obtained, using the Chinese version of the EQ-5D-5L to measure and rate HRQOL. The patients were enrolled by trained investigators based on quota sampling from June to…