CXCL10 and asthma: One cohort study was conducted in 63 children with a median baseline 25(OH)D levels of 32.4 nmol/L in the acute asthma group and 61.1 nmol/L in the controlled asthma group; it demonstrated no significant association with serum IP-10 levels (β (95% CI): 1.70 (− 2.6 to 6.0)) [57].