Ru Li, Xing Sun, Hua Ye, Jiajia Liu, Jinxia Zhao, Xiangyuan Liu, Yifang Mei, Zhiyi Zhang, Jialong Guo, Liqi Bi, Xia Liu, Guochun Wang, Jinjing Liu, Xiaomei Leng, Fei Gu, Lingyun Sun, Qinghua Zou, Yongfei Fang, Quan Jiang, Katerina Chatzidionysiou, Sangeetha Priya, Ramya Janardana, Aswin Nair, Anca Irinel Catrina, Debashish Danda, Zhan Guo Li
OBJECTIVES: Early identification of patients with rheumatoid arthritis (RA) is essential to allow prompt therapy. In this study, we aimed to evaluate the performance of the newly proposed ERA criteria, compared to the 1987 ACR and 2010 ACR/EULAR criteria in an international multicentre study. METHODS: A total of 606 patients with disease duration ≤2 years and age ≥16 years who were diagnosed as RA or non-RA were enrolled from China, Sweden and India...
2020: Clinical and Experimental Rheumatology