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Box plot indicating the median (25th to 75th percentiles) and 5th–95th percentiles of BNP levels before and after percutaneous revascularization for renal artery stenosis in patients with (white) and without (gray bar) renal function improvement. (A) BNP levels in the overall cohort (n=127); (B) BNP levels in patients with impaired pre-interventional renal function (eGFR < 60 mL/min/1.73 m2) (n=56). NS indicates not significant. BNP, B-type natriuretic peptide.
