Key result
Singular spectrum analysis applied to backscattered ultrasound signals significantly correlated with synchrotron microtomography for estimating mean scatterer spacing in cancellous bone (r2 = 0.68).
Population
Phantom materials and 24 in vitro human cancellous bone samples
Comparison
Singular spectrum analysis applied to… vs Synchrotron microtomography
Design
Preclinical
Authors
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May support ultrasound bone microstructure assessment; hypothesis-generating in animals, requires human validation.
Effect estimate: r2 = 0.68
Singular spectrum analysis of backscattered ultrasound signals can accurately estimate mean scatterer spacing in quasiperiodic structures like cancellous bone.
Pereira et al. (2004) studied human cancellous bone microarchitectures (n=24). Singular spectrum analysis (SSA) of backscattered ultrasound signals vs. Synchrotron microtomography was evaluated on Correlation of mean scatterer spacing (MSS) estimates (r2 = 0.68). Singular spectrum analysis applied to backscattered ultrasound signals significantly correlated with synchrotron microtomography for estimating mean scatterer spacing in cancellous bone (r2 = 0.68).
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