Fig. 3From: Central fibrous area in the glomerular vascular pole consists of fibrous collagens and is associated with advanced age: a cross-sectional studyDistribution of the number of central fibrous areas (CFA) per specimen. a Histogram of the number of CFA per specimen. Most patients had from one to three CFAs, and some four or more. b The number of CFAs per specimen was significantly correlated with the number of glomeruli per specimen, although its correlation was quite low (R2 = 0.058, p = 0.015)Back to article page