THBS1 and chronic kidney disease: In that study, healthy children had a median plasma TSP-1 level of 100.6 μg/mL (IQR: 58.3–189.5 μg/mL), which appears higher than that observed in our CKD cohort (median: 34.95 μg/mL, IQR: 26.02–48.19 μg/mL).