CXCL9 and vitiligo: Together, these results in Table 2 showed that the levels of CXCL9and CXCL10 increased in both patients with stable vitiligo and patients with active vitiligo (P < 0.01).As shown in Fig. 2, the expression of CXCL9 and CXCL10in the blister fluid was significantly higher in patients with active vitiligo than in patients with stable vitiligo and controls(P < 0.01).However, no statistically significant differences were found in the serum level of CXCL10 among the three groups(P > 0.05) after Unpaired t-test.