CD8A and Behcet disease: In PBMCs, the frequencies of BD mice were slightly lower than those of BDN, but not significantly (BDN (n = 9) versus BD (n = 9) (%): Tim-1+, 27.6 ± 17.1 versus 23.6 ± 8.4,  P = 0.54; CD4+Tim-1+, 8.3 ± 5.9 versus 5.7 ± 4.4, P = 0.31; CD8+Tim-1+, 7.6 ± 5.0 versus 5.2 ± 4.3, P = 0.29).