Regional variations and spatial heterogeneity of lumbar CT attenuation are associated with osteoporotic vertebral fracture.

Spatial distribution and heterogeneity in vertebral CT attenuation The anterior/middle and anterior/posterior HU ratio of the L2 vertebrae were lower in the OVF group compared to the control group (anterior/middle: 0.81 ± 0.21 versus 0.87 ± 0.14, p= 0.051; anterior/posterior: 0.67 ± 0.78 versus 0.84 ± 0.15, p= 0.007), however, the difference did not reach statistical significance after B-H correction (both B-H adjusted p> 0.05) ( Table 2 ).

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