Among the selected 30 RNAs, the expression levels of MIR503HG, LINC00630, hsa_circ_0001566, hsa_circ_0003972, hsa_circ_0003353 (p < 0.001), MIR22HG, ENST00000619282, hsa_circ_0001200 (p < 0.01), LINC01006, AC019117.2, hsa_circ_0091685 (p < 0.05) were significantly high in the RA group than in the healthy group (Figures 3A–F, P–T). This evidence concerns the gene MIR503HG and rheumatoid arthritis.