NAT10 and rheumatoid arthritis: And, the predictive model based on combination of mRNA NAT10 and N% could distinguish new-onset AS patients from RA and SLE patients with AUC of 0.661 (95% CI = 0.541–0.782, P = 0.0104; Fig. 7D), with a cutoff value of < 3.440, a sensitivity of 90.38%, and a specificity of 47.22%.