Meta-analysis forest plots of (a) MACE, (b) Death (c) Kidney Failure, (d) Adverse Events. CI, confidence interval; CKD, chronic kidney disease; CKD-FIX 2020, controlled trial of slowing of kidney disease progression from the inhibition of xanthine oxidase; dr, degrees of freedom; FEATHER 2018, febuxostat versus placebo randomized controlled trial regarding reduced renal function in patients with hyperuricemia complicated by chronic kidney disease stage 3; FREED 2019, febuxostat for cerebral and cardiorenovascular events PrEvEntion StuDy; MACE, major adverse cardiovascular events; PERL, preventing early renal function loss.