The AUC of the levels of S100B at 72 h for BD was 0.70 (95% CI, 0.55–0.83) (Figure 3B), and a S100B > 9.09 ng/mL predicted BD with a sensitivity of 58.4% (95% CI, 27.7–84.8) and a specificity of 87.5% (95% CI, 71.0–96.5). This evidence concerns the gene S100B and Behcet disease.