IL1B and chronic kidney disease: IL1β was upregulated in 33.3% of patients with CAD (9 out of 27) but only in 11.1% of patients without CAD (1 out 9 patients) (p = 0.19), and in 32% of patients with CKD (8 out 25) but only in 18.2% of patients with eCFR > 60 mL/min (2 out 11) (p = 0.39).