Fig. 4From: Ultrasound attenuation of cortical bone correlates with biomechanical, microstructural, and compositional propertiesScatterplots and linear trendlines of the α coefficient versus (a) elastic modulus (E), (b) bone mineral density (BMD), (c) porosity, (d) total water proton density (TWPD), (e) bound water proton density (BWPD), (f) pore water proton density (PWPD), and (g) macromolecular T2 (T2-MM). R values are Spearman correlation coefficientsBack to article page