PCSK9 Plasma Concentrations Are Independent of GFR and Do Not Predict Cardiovascular Events in Patients with Decreased GFR. oleh Kyrill S Rogacev, Gunnar H Heine, Günther Silbernagel, Marcus E Kleber, Sarah Seiler, Insa Emrich, Simone Lennartz, Christian Werner, Adam M Zawada, Danilo Fliser, Michael Böhm, Winfried März, Hubert Scharnagl, Ulrich Laufs