S100B and Behcet disease: BD patients had higher S100b levels (1.44 μg/L) than the severe TBI survivor group (0.34 μg/L) and the healthy donor group (0.06 μg/L) (p<0.001). For a 1 μg/L increase in S100b value, the OR for BD diagnosis was 8.38 (95% CI: 1.16-60.45; p=0.035).