Fig. 1
From: Circulating osteoprotegerin is associated with chronic kidney disease in hypertensive patients
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12882-017-0625-3/MediaObjects/12882_2017_625_Fig1_HTML.gif)
Inverse correlation between log OPG and GFR. Correlation between Log OPG (lopg) and GFR (Spearman coefficient = −0.40808 and p < 0.0001)