Functional Photoacoustic and Ultrasonic Assessment of Osteoporosis: A Clinical Feasibility Study
DEXA images and QUS results. (a) DEXA images showing spine and femur regions of interest. (b) DEXA imaging at the spine and the hip demonstrates significantly reduced BMD in the osteoporotic patients vs. controls. stands for , and stands for in unpaired -test comparing the results from the two subject groups ( for osteoporosis group, for control group). (c) The bone stiffness indices acquired from the QUS device vs. the BMD results from the spine (c), total femur (d), femur neck (e), and femur upper neck (f), respectively, as quantified by DEXA.
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