CXCR4 and systemic sclerosis: In line with this, higher median anti-CXCR3 and anti-CXCR4 ab levels were present in patients with SSc-ILD compared with those without ILD (3.4 U vs. 4.1 U, p ≤ 0.05; and 3.1 U vs. 3.9 U, p ≤ 0.05, respectively).