![]() Single regression analysis was performed using linear regression, with micro-CT and QDCT as the explanatory and objective variables, respectively, to determine the relationship of the measured values between the two modalities. ![]() ![]() The differences between micro-CT and QDCT were assessed based on their significance with respect to the calculated mean measurements using the Mann–Whitney test. Statistical analysis was performed on the relationship between micro-CT and QDCT imaging modalities. To obtain QDCT images, we created a three-dimensional model from micro-CT images of the specimen. We used a cancellous bone specimen image of the second lumbar vertebrae of an adult male with moderate osteoporosis. This study aimed to verify the validity of trabecular structure evaluation using a QDCT scanner in the diagnosis of osteoporosis. Quarter-detector computed tomography (QDCT) is an ultra-high-spatial-resolution imaging technique.
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