Figure 2. Relative fold change of miRNA levels in serum exosomes compared between CR and non-CR groups of RA patients. A) hsa-miR-1915-3p, B) hsa-miR-4516, C) hsa-miR-6511b-5p, D) hsa-miR-3665, E) hsa-miR-3613, and F) Correlation between hsa-miR-1915-3p and c-reactive protein (CRP). **p<0.01, *p<0.05. CR: Clinical remission; miRNA: microRNA; RA: rheumatoid arthritis.