CXCL10 and systemic lupus erythematosus: Interestingly, meta-analysis of the two studies (n = 95 patients, 62 active SLE patients, 33 healthy controls) showed that there was no significant difference between urine IP-10 of SLE patients without LN and healthy controls (MD 0.21 pg/mgCr x 100, 95% CI −0.74 to 1.15, p = 0.67) [19,31].